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apache/flink | flink-runtime/src/main/java/org/apache/flink/runtime/operators/hash/MutableHashTable.java | MutableHashTable.spillPartition | protected int spillPartition() throws IOException {
// find the largest partition
ArrayList<HashPartition<BT, PT>> partitions = this.partitionsBeingBuilt;
int largestNumBlocks = 0;
int largestPartNum = -1;
for (int i = 0; i < partitions.size(); i++) {
HashPartition<BT, PT> p = partitions.get(i);
if (p.isInMemory() && p.getNumOccupiedMemorySegments() > largestNumBlocks) {
largestNumBlocks = p.getNumOccupiedMemorySegments();
largestPartNum = i;
}
}
final HashPartition<BT, PT> p = partitions.get(largestPartNum);
if (useBloomFilters) {
buildBloomFilterForBucketsInPartition(largestPartNum, p);
}
// spill the partition
int numBuffersFreed = p.spillPartition(this.availableMemory, this.ioManager,
this.currentEnumerator.next(), this.writeBehindBuffers);
this.writeBehindBuffersAvailable += numBuffersFreed;
// grab as many buffers as are available directly
MemorySegment currBuff;
while (this.writeBehindBuffersAvailable > 0 && (currBuff = this.writeBehindBuffers.poll()) != null) {
this.availableMemory.add(currBuff);
this.writeBehindBuffersAvailable--;
}
return largestPartNum;
} | java | protected int spillPartition() throws IOException {
// find the largest partition
ArrayList<HashPartition<BT, PT>> partitions = this.partitionsBeingBuilt;
int largestNumBlocks = 0;
int largestPartNum = -1;
for (int i = 0; i < partitions.size(); i++) {
HashPartition<BT, PT> p = partitions.get(i);
if (p.isInMemory() && p.getNumOccupiedMemorySegments() > largestNumBlocks) {
largestNumBlocks = p.getNumOccupiedMemorySegments();
largestPartNum = i;
}
}
final HashPartition<BT, PT> p = partitions.get(largestPartNum);
if (useBloomFilters) {
buildBloomFilterForBucketsInPartition(largestPartNum, p);
}
// spill the partition
int numBuffersFreed = p.spillPartition(this.availableMemory, this.ioManager,
this.currentEnumerator.next(), this.writeBehindBuffers);
this.writeBehindBuffersAvailable += numBuffersFreed;
// grab as many buffers as are available directly
MemorySegment currBuff;
while (this.writeBehindBuffersAvailable > 0 && (currBuff = this.writeBehindBuffers.poll()) != null) {
this.availableMemory.add(currBuff);
this.writeBehindBuffersAvailable--;
}
return largestPartNum;
} | [
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spring-projects/spring-boot | spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/DataSourceProperties.java | DataSourceProperties.determinePassword | public String determinePassword() {
if (StringUtils.hasText(this.password)) {
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}
if (EmbeddedDatabaseConnection.isEmbedded(determineDriverClassName())) {
return "";
}
return null;
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if (StringUtils.hasText(this.password)) {
return this.password;
}
if (EmbeddedDatabaseConnection.isEmbedded(determineDriverClassName())) {
return "";
}
return null;
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apache/spark | core/src/main/java/org/apache/spark/memory/TaskMemoryManager.java | TaskMemoryManager.allocatePage | public MemoryBlock allocatePage(long size, MemoryConsumer consumer) {
assert(consumer != null);
assert(consumer.getMode() == tungstenMemoryMode);
if (size > MAXIMUM_PAGE_SIZE_BYTES) {
throw new TooLargePageException(size);
}
long acquired = acquireExecutionMemory(size, consumer);
if (acquired <= 0) {
return null;
}
final int pageNumber;
synchronized (this) {
pageNumber = allocatedPages.nextClearBit(0);
if (pageNumber >= PAGE_TABLE_SIZE) {
releaseExecutionMemory(acquired, consumer);
throw new IllegalStateException(
"Have already allocated a maximum of " + PAGE_TABLE_SIZE + " pages");
}
allocatedPages.set(pageNumber);
}
MemoryBlock page = null;
try {
page = memoryManager.tungstenMemoryAllocator().allocate(acquired);
} catch (OutOfMemoryError e) {
logger.warn("Failed to allocate a page ({} bytes), try again.", acquired);
// there is no enough memory actually, it means the actual free memory is smaller than
// MemoryManager thought, we should keep the acquired memory.
synchronized (this) {
acquiredButNotUsed += acquired;
allocatedPages.clear(pageNumber);
}
// this could trigger spilling to free some pages.
return allocatePage(size, consumer);
}
page.pageNumber = pageNumber;
pageTable[pageNumber] = page;
if (logger.isTraceEnabled()) {
logger.trace("Allocate page number {} ({} bytes)", pageNumber, acquired);
}
return page;
} | java | public MemoryBlock allocatePage(long size, MemoryConsumer consumer) {
assert(consumer != null);
assert(consumer.getMode() == tungstenMemoryMode);
if (size > MAXIMUM_PAGE_SIZE_BYTES) {
throw new TooLargePageException(size);
}
long acquired = acquireExecutionMemory(size, consumer);
if (acquired <= 0) {
return null;
}
final int pageNumber;
synchronized (this) {
pageNumber = allocatedPages.nextClearBit(0);
if (pageNumber >= PAGE_TABLE_SIZE) {
releaseExecutionMemory(acquired, consumer);
throw new IllegalStateException(
"Have already allocated a maximum of " + PAGE_TABLE_SIZE + " pages");
}
allocatedPages.set(pageNumber);
}
MemoryBlock page = null;
try {
page = memoryManager.tungstenMemoryAllocator().allocate(acquired);
} catch (OutOfMemoryError e) {
logger.warn("Failed to allocate a page ({} bytes), try again.", acquired);
// there is no enough memory actually, it means the actual free memory is smaller than
// MemoryManager thought, we should keep the acquired memory.
synchronized (this) {
acquiredButNotUsed += acquired;
allocatedPages.clear(pageNumber);
}
// this could trigger spilling to free some pages.
return allocatePage(size, consumer);
}
page.pageNumber = pageNumber;
pageTable[pageNumber] = page;
if (logger.isTraceEnabled()) {
logger.trace("Allocate page number {} ({} bytes)", pageNumber, acquired);
}
return page;
} | [
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apache/flink | flink-table/flink-table-planner/src/main/java/org/apache/calcite/sql/validate/SqlValidatorImpl.java | SqlValidatorImpl.validateFrom | protected void validateFrom(
SqlNode node,
RelDataType targetRowType,
SqlValidatorScope scope) {
Objects.requireNonNull(targetRowType);
switch (node.getKind()) {
case AS:
validateFrom(
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validateOver((SqlCall) node, scope);
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validateUnnest((SqlCall) node, scope, targetRowType);
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validateQuery(node, scope, targetRowType);
break;
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} | java | protected void validateFrom(
SqlNode node,
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SqlValidatorScope scope) {
Objects.requireNonNull(targetRowType);
switch (node.getKind()) {
case AS:
validateFrom(
((SqlCall) node).operand(0),
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break;
case VALUES:
validateValues((SqlCall) node, targetRowType, scope);
break;
case JOIN:
validateJoin((SqlJoin) node, scope);
break;
case OVER:
validateOver((SqlCall) node, scope);
break;
case UNNEST:
validateUnnest((SqlCall) node, scope, targetRowType);
break;
default:
validateQuery(node, scope, targetRowType);
break;
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getNamespace(node, scope).validate(targetRowType);
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netty/netty | codec-http/src/main/java/io/netty/handler/codec/http/HttpObjectEncoder.java | HttpObjectEncoder.encodeHeaders | protected void encodeHeaders(HttpHeaders headers, ByteBuf buf) {
Iterator<Entry<CharSequence, CharSequence>> iter = headers.iteratorCharSequence();
while (iter.hasNext()) {
Entry<CharSequence, CharSequence> header = iter.next();
HttpHeadersEncoder.encoderHeader(header.getKey(), header.getValue(), buf);
}
} | java | protected void encodeHeaders(HttpHeaders headers, ByteBuf buf) {
Iterator<Entry<CharSequence, CharSequence>> iter = headers.iteratorCharSequence();
while (iter.hasNext()) {
Entry<CharSequence, CharSequence> header = iter.next();
HttpHeadersEncoder.encoderHeader(header.getKey(), header.getValue(), buf);
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} | [
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] | ba06eafa1c1824bd154f1a380019e7ea2edf3c4c | https://github.com/netty/netty/blob/ba06eafa1c1824bd154f1a380019e7ea2edf3c4c/codec-http/src/main/java/io/netty/handler/codec/http/HttpObjectEncoder.java#L187-L193 | train | Encode headers. | [
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/date/DateUtil.java | DateUtil.format | public static String format(Date date, DatePrinter format) {
if (null == format || null == date) {
return null;
}
return format.format(date);
} | java | public static String format(Date date, DatePrinter format) {
if (null == format || null == date) {
return null;
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/lang/Assert.java | Assert.notContain | public static String notContain(String textToSearch, String substring, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
if (StrUtil.isNotEmpty(textToSearch) && StrUtil.isNotEmpty(substring) && textToSearch.contains(substring)) {
throw new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params));
}
return substring;
} | java | public static String notContain(String textToSearch, String substring, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
if (StrUtil.isNotEmpty(textToSearch) && StrUtil.isNotEmpty(substring) && textToSearch.contains(substring)) {
throw new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params));
}
return substring;
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netty/netty | handler/src/main/java/io/netty/handler/ssl/SslContext.java | SslContext.buildKeyStore | static KeyStore buildKeyStore(X509Certificate[] certChain, PrivateKey key, char[] keyPasswordChars)
throws KeyStoreException, NoSuchAlgorithmException,
CertificateException, IOException {
KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
ks.load(null, null);
ks.setKeyEntry(ALIAS, key, keyPasswordChars, certChain);
return ks;
} | java | static KeyStore buildKeyStore(X509Certificate[] certChain, PrivateKey key, char[] keyPasswordChars)
throws KeyStoreException, NoSuchAlgorithmException,
CertificateException, IOException {
KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
ks.load(null, null);
ks.setKeyEntry(ALIAS, key, keyPasswordChars, certChain);
return ks;
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/collection/CollUtil.java | CollUtil.valuesOfKeys | public static <K, V> ArrayList<V> valuesOfKeys(Map<K, V> map, Iterable<K> keys) {
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return valuesOfKeys(map, keys.iterator());
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networknt/light-4j | http-url/src/main/java/com/networknt/url/HttpURL.java | HttpURL.encodeQueryString | public static String encodeQueryString(String queryString) {
if (StringUtils.isBlank(queryString)) {
return queryString;
}
return new QueryString(queryString).toString();
} | java | public static String encodeQueryString(String queryString) {
if (StringUtils.isBlank(queryString)) {
return queryString;
}
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/lang/ObjectId.java | ObjectId.next | public static String next(boolean withHyphen) {
byte[] array = nextBytes();
final StringBuilder buf = new StringBuilder(withHyphen ? 26 : 24);
int t;
for (int i = 0; i < array.length; i++) {
if (withHyphen && i % 4 == 0 && i != 0) {
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t = array[i] & 0xff;
if (t < 16) {
buf.append('0');
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buf.append(Integer.toHexString(t));
}
return buf.toString();
} | java | public static String next(boolean withHyphen) {
byte[] array = nextBytes();
final StringBuilder buf = new StringBuilder(withHyphen ? 26 : 24);
int t;
for (int i = 0; i < array.length; i++) {
if (withHyphen && i % 4 == 0 && i != 0) {
buf.append("-");
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t = array[i] & 0xff;
if (t < 16) {
buf.append('0');
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buf.append(Integer.toHexString(t));
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looly/hutool | hutool-crypto/src/main/java/cn/hutool/crypto/SecureUtil.java | SecureUtil.generateKeyPair | public static KeyPair generateKeyPair(String algorithm, int keySize, byte[] seed) {
return KeyUtil.generateKeyPair(algorithm, keySize, seed);
} | java | public static KeyPair generateKeyPair(String algorithm, int keySize, byte[] seed) {
return KeyUtil.generateKeyPair(algorithm, keySize, seed);
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@param algorithm 非对称加密算法
@param keySize 密钥模（modulus ）长度
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apache/flink | flink-connectors/flink-hbase/src/main/java/org/apache/flink/addons/hbase/HBaseTableSchema.java | HBaseTableSchema.getFamilyKeys | byte[][] getFamilyKeys() {
Charset c = Charset.forName(charset);
byte[][] familyKeys = new byte[this.familyMap.size()][];
int i = 0;
for (String name : this.familyMap.keySet()) {
familyKeys[i++] = name.getBytes(c);
}
return familyKeys;
} | java | byte[][] getFamilyKeys() {
Charset c = Charset.forName(charset);
byte[][] familyKeys = new byte[this.familyMap.size()][];
int i = 0;
for (String name : this.familyMap.keySet()) {
familyKeys[i++] = name.getBytes(c);
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return familyKeys;
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apache/flink | flink-runtime/src/main/java/org/apache/flink/runtime/clusterframework/BootstrapTools.java | BootstrapTools.substituteDeprecatedConfigPrefix | public static void substituteDeprecatedConfigPrefix(
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Configuration replacement = new Configuration();
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config.addAll(replacement);
} | java | public static void substituteDeprecatedConfigPrefix(
Configuration config,
String deprecatedPrefix,
String designatedPrefix) {
// set the designated key only if it is not set already
final int prefixLen = deprecatedPrefix.length();
Configuration replacement = new Configuration();
for (String key : config.keySet()) {
if (key.startsWith(deprecatedPrefix)) {
String newKey = designatedPrefix + key.substring(prefixLen);
if (!config.containsKey(newKey)) {
replacement.setString(newKey, config.getString(key, null));
}
}
}
config.addAll(replacement);
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hankcs/HanLP | src/main/java/com/hankcs/hanlp/mining/word2vec/AbstractVectorModel.java | AbstractVectorModel.dimension | public int dimension()
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if (storage == null || storage.isEmpty())
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} | java | public int dimension()
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if (storage == null || storage.isEmpty())
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looly/hutool | hutool-log/src/main/java/cn/hutool/log/dialect/jdk/JdkLog.java | JdkLog.logIfEnabled | private void logIfEnabled(Level level, Throwable throwable, String format, Object[] arguments){
this.logIfEnabled(FQCN_SELF, level, throwable, format, arguments);
} | java | private void logIfEnabled(Level level, Throwable throwable, String format, Object[] arguments){
this.logIfEnabled(FQCN_SELF, level, throwable, format, arguments);
} | [
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@param level 等级
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/img/ImgUtil.java | ImgUtil.write | public static void write(Image image, File targetFile) throws IORuntimeException {
ImageOutputStream out = null;
try {
out = getImageOutputStream(targetFile);
write(image, FileUtil.extName(targetFile), out);
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ImageOutputStream out = null;
try {
out = getImageOutputStream(targetFile);
write(image, FileUtil.extName(targetFile), out);
} finally {
IoUtil.close(out);
}
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apache/flink | flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/failover/RestartPipelinedRegionStrategy.java | RestartPipelinedRegionStrategy.generateAllFailoverRegion | private void generateAllFailoverRegion(List<ExecutionJobVertex> newJobVerticesTopological) {
final IdentityHashMap<ExecutionVertex, ArrayList<ExecutionVertex>> vertexToRegion = new IdentityHashMap<>();
// we use the map (list -> null) to imitate an IdentityHashSet (which does not exist)
final IdentityHashMap<ArrayList<ExecutionVertex>, Object> distinctRegions = new IdentityHashMap<>();
// this loop will worst case iterate over every edge in the graph (complexity is O(#edges))
for (ExecutionJobVertex ejv : newJobVerticesTopological) {
// currently, jobs with a co-location constraint fail as one
// we want to improve that in the future (or get rid of co-location constraints)
if (ejv.getCoLocationGroup() != null) {
makeAllOneRegion(newJobVerticesTopological);
return;
}
// see if this JobVertex one has pipelined inputs at all
final List<IntermediateResult> inputs = ejv.getInputs();
final int numInputs = inputs.size();
boolean hasPipelinedInputs = false;
for (IntermediateResult input : inputs) {
if (input.getResultType().isPipelined()) {
hasPipelinedInputs = true;
break;
}
}
if (hasPipelinedInputs) {
// build upon the predecessors
for (ExecutionVertex ev : ejv.getTaskVertices()) {
// remember the region in which we are
ArrayList<ExecutionVertex> thisRegion = null;
for (int inputNum = 0; inputNum < numInputs; inputNum++) {
if (inputs.get(inputNum).getResultType().isPipelined()) {
for (ExecutionEdge edge : ev.getInputEdges(inputNum)) {
final ExecutionVertex predecessor = edge.getSource().getProducer();
final ArrayList<ExecutionVertex> predecessorRegion = vertexToRegion.get(predecessor);
if (thisRegion != null) {
// we already have a region. see if it is the same as the predecessor's region
if (predecessorRegion != thisRegion) {
// we need to merge our region and the predecessor's region
predecessorRegion.addAll(thisRegion);
distinctRegions.remove(thisRegion);
thisRegion = predecessorRegion;
// remap the vertices from that merged region
for (ExecutionVertex inPredRegion: predecessorRegion) {
vertexToRegion.put(inPredRegion, thisRegion);
}
}
}
else if (predecessor != null) {
// first case, make this our region
thisRegion = predecessorRegion;
thisRegion.add(ev);
vertexToRegion.put(ev, thisRegion);
}
else {
// throw an uncaught exception here
// this is a bug and not a recoverable situation
throw new FlinkRuntimeException(
"bug in the logic to construct the pipelined failover regions");
}
}
}
}
}
}
else {
// no pipelined inputs, start a new region
for (ExecutionVertex ev : ejv.getTaskVertices()) {
ArrayList<ExecutionVertex> region = new ArrayList<>(1);
region.add(ev);
vertexToRegion.put(ev, region);
distinctRegions.put(region, null);
}
}
}
// now that we have all regions, create the failover region objects
LOG.info("Creating {} individual failover regions for job {} ({})",
distinctRegions.size(), executionGraph.getJobName(), executionGraph.getJobID());
for (List<ExecutionVertex> region : distinctRegions.keySet()) {
final FailoverRegion failoverRegion = createFailoverRegion(executionGraph, region);
for (ExecutionVertex ev : region) {
this.vertexToRegion.put(ev, failoverRegion);
}
}
} | java | private void generateAllFailoverRegion(List<ExecutionJobVertex> newJobVerticesTopological) {
final IdentityHashMap<ExecutionVertex, ArrayList<ExecutionVertex>> vertexToRegion = new IdentityHashMap<>();
// we use the map (list -> null) to imitate an IdentityHashSet (which does not exist)
final IdentityHashMap<ArrayList<ExecutionVertex>, Object> distinctRegions = new IdentityHashMap<>();
// this loop will worst case iterate over every edge in the graph (complexity is O(#edges))
for (ExecutionJobVertex ejv : newJobVerticesTopological) {
// currently, jobs with a co-location constraint fail as one
// we want to improve that in the future (or get rid of co-location constraints)
if (ejv.getCoLocationGroup() != null) {
makeAllOneRegion(newJobVerticesTopological);
return;
}
// see if this JobVertex one has pipelined inputs at all
final List<IntermediateResult> inputs = ejv.getInputs();
final int numInputs = inputs.size();
boolean hasPipelinedInputs = false;
for (IntermediateResult input : inputs) {
if (input.getResultType().isPipelined()) {
hasPipelinedInputs = true;
break;
}
}
if (hasPipelinedInputs) {
// build upon the predecessors
for (ExecutionVertex ev : ejv.getTaskVertices()) {
// remember the region in which we are
ArrayList<ExecutionVertex> thisRegion = null;
for (int inputNum = 0; inputNum < numInputs; inputNum++) {
if (inputs.get(inputNum).getResultType().isPipelined()) {
for (ExecutionEdge edge : ev.getInputEdges(inputNum)) {
final ExecutionVertex predecessor = edge.getSource().getProducer();
final ArrayList<ExecutionVertex> predecessorRegion = vertexToRegion.get(predecessor);
if (thisRegion != null) {
// we already have a region. see if it is the same as the predecessor's region
if (predecessorRegion != thisRegion) {
// we need to merge our region and the predecessor's region
predecessorRegion.addAll(thisRegion);
distinctRegions.remove(thisRegion);
thisRegion = predecessorRegion;
// remap the vertices from that merged region
for (ExecutionVertex inPredRegion: predecessorRegion) {
vertexToRegion.put(inPredRegion, thisRegion);
}
}
}
else if (predecessor != null) {
// first case, make this our region
thisRegion = predecessorRegion;
thisRegion.add(ev);
vertexToRegion.put(ev, thisRegion);
}
else {
// throw an uncaught exception here
// this is a bug and not a recoverable situation
throw new FlinkRuntimeException(
"bug in the logic to construct the pipelined failover regions");
}
}
}
}
}
}
else {
// no pipelined inputs, start a new region
for (ExecutionVertex ev : ejv.getTaskVertices()) {
ArrayList<ExecutionVertex> region = new ArrayList<>(1);
region.add(ev);
vertexToRegion.put(ev, region);
distinctRegions.put(region, null);
}
}
}
// now that we have all regions, create the failover region objects
LOG.info("Creating {} individual failover regions for job {} ({})",
distinctRegions.size(), executionGraph.getJobName(), executionGraph.getJobID());
for (List<ExecutionVertex> region : distinctRegions.keySet()) {
final FailoverRegion failoverRegion = createFailoverRegion(executionGraph, region);
for (ExecutionVertex ev : region) {
this.vertexToRegion.put(ev, failoverRegion);
}
}
} | [
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apache/spark | launcher/src/main/java/org/apache/spark/launcher/CommandBuilderUtils.java | CommandBuilderUtils.join | static String join(String sep, String... elements) {
StringBuilder sb = new StringBuilder();
for (String e : elements) {
if (e != null) {
if (sb.length() > 0) {
sb.append(sep);
}
sb.append(e);
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} | java | static String join(String sep, String... elements) {
StringBuilder sb = new StringBuilder();
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sb.append(sep);
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sb.append(e);
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netty/netty | codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttEncoder.java | MqttEncoder.doEncode | static ByteBuf doEncode(ByteBufAllocator byteBufAllocator, MqttMessage message) {
switch (message.fixedHeader().messageType()) {
case CONNECT:
return encodeConnectMessage(byteBufAllocator, (MqttConnectMessage) message);
case CONNACK:
return encodeConnAckMessage(byteBufAllocator, (MqttConnAckMessage) message);
case PUBLISH:
return encodePublishMessage(byteBufAllocator, (MqttPublishMessage) message);
case SUBSCRIBE:
return encodeSubscribeMessage(byteBufAllocator, (MqttSubscribeMessage) message);
case UNSUBSCRIBE:
return encodeUnsubscribeMessage(byteBufAllocator, (MqttUnsubscribeMessage) message);
case SUBACK:
return encodeSubAckMessage(byteBufAllocator, (MqttSubAckMessage) message);
case UNSUBACK:
case PUBACK:
case PUBREC:
case PUBREL:
case PUBCOMP:
return encodeMessageWithOnlySingleByteFixedHeaderAndMessageId(byteBufAllocator, message);
case PINGREQ:
case PINGRESP:
case DISCONNECT:
return encodeMessageWithOnlySingleByteFixedHeader(byteBufAllocator, message);
default:
throw new IllegalArgumentException(
"Unknown message type: " + message.fixedHeader().messageType().value());
}
} | java | static ByteBuf doEncode(ByteBufAllocator byteBufAllocator, MqttMessage message) {
switch (message.fixedHeader().messageType()) {
case CONNECT:
return encodeConnectMessage(byteBufAllocator, (MqttConnectMessage) message);
case CONNACK:
return encodeConnAckMessage(byteBufAllocator, (MqttConnAckMessage) message);
case PUBLISH:
return encodePublishMessage(byteBufAllocator, (MqttPublishMessage) message);
case SUBSCRIBE:
return encodeSubscribeMessage(byteBufAllocator, (MqttSubscribeMessage) message);
case UNSUBSCRIBE:
return encodeUnsubscribeMessage(byteBufAllocator, (MqttUnsubscribeMessage) message);
case SUBACK:
return encodeSubAckMessage(byteBufAllocator, (MqttSubAckMessage) message);
case UNSUBACK:
case PUBACK:
case PUBREC:
case PUBREL:
case PUBCOMP:
return encodeMessageWithOnlySingleByteFixedHeaderAndMessageId(byteBufAllocator, message);
case PINGREQ:
case PINGRESP:
case DISCONNECT:
return encodeMessageWithOnlySingleByteFixedHeader(byteBufAllocator, message);
default:
throw new IllegalArgumentException(
"Unknown message type: " + message.fixedHeader().messageType().value());
}
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apache/flink | flink-runtime/src/main/java/org/apache/flink/runtime/metrics/groups/TaskManagerJobMetricGroup.java | TaskManagerJobMetricGroup.addTask | public TaskMetricGroup addTask(
final JobVertexID jobVertexId,
final ExecutionAttemptID executionAttemptID,
final String taskName,
final int subtaskIndex,
final int attemptNumber) {
checkNotNull(jobVertexId);
checkNotNull(executionAttemptID);
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} else {
return null;
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}
} | java | public TaskMetricGroup addTask(
final JobVertexID jobVertexId,
final ExecutionAttemptID executionAttemptID,
final String taskName,
final int subtaskIndex,
final int attemptNumber) {
checkNotNull(jobVertexId);
checkNotNull(executionAttemptID);
checkNotNull(taskName);
synchronized (this) {
if (!isClosed()) {
TaskMetricGroup prior = tasks.get(executionAttemptID);
if (prior != null) {
return prior;
} else {
TaskMetricGroup task = new TaskMetricGroup(
registry,
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subtaskIndex,
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tasks.put(executionAttemptID, task);
return task;
}
} else {
return null;
}
}
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/date/DateUtil.java | DateUtil.calendar | public static Calendar calendar(Date date) {
if(date instanceof DateTime) {
return ((DateTime)date).toCalendar();
}else {
return calendar(date.getTime());
}
} | java | public static Calendar calendar(Date date) {
if(date instanceof DateTime) {
return ((DateTime)date).toCalendar();
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return calendar(date.getTime());
}
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apache/flink | flink-core/src/main/java/org/apache/flink/configuration/GlobalConfiguration.java | GlobalConfiguration.loadConfigurationWithDynamicProperties | public static Configuration loadConfigurationWithDynamicProperties(Configuration dynamicProperties) {
final String configDir = System.getenv(ConfigConstants.ENV_FLINK_CONF_DIR);
if (configDir == null) {
return new Configuration(dynamicProperties);
}
return loadConfiguration(configDir, dynamicProperties);
} | java | public static Configuration loadConfigurationWithDynamicProperties(Configuration dynamicProperties) {
final String configDir = System.getenv(ConfigConstants.ENV_FLINK_CONF_DIR);
if (configDir == null) {
return new Configuration(dynamicProperties);
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return loadConfiguration(configDir, dynamicProperties);
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/img/ImgUtil.java | ImgUtil.writePng | public static void writePng(Image image, OutputStream out) throws IORuntimeException {
write(image, IMAGE_TYPE_PNG, out);
} | java | public static void writePng(Image image, OutputStream out) throws IORuntimeException {
write(image, IMAGE_TYPE_PNG, out);
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java | NumberUtil.sub | public static double sub(Double v1, Double v2) {
return sub((Number) v1, (Number) v2).doubleValue();
} | java | public static double sub(Double v1, Double v2) {
return sub((Number) v1, (Number) v2).doubleValue();
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looly/hutool | hutool-poi/src/main/java/cn/hutool/poi/excel/ExcelUtil.java | ExcelUtil.read07BySax | public static Excel07SaxReader read07BySax(String path, int sheetIndex, RowHandler rowHandler) {
try {
return new Excel07SaxReader(rowHandler).read(path, sheetIndex);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
} | java | public static Excel07SaxReader read07BySax(String path, int sheetIndex, RowHandler rowHandler) {
try {
return new Excel07SaxReader(rowHandler).read(path, sheetIndex);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
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apache/spark | launcher/src/main/java/org/apache/spark/launcher/ChildProcAppHandle.java | ChildProcAppHandle.monitorChild | void monitorChild() {
Process proc = childProc;
if (proc == null) {
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return;
}
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synchronized (this) {
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} catch (Exception e) {
LOG.log(Level.WARNING, "Exception getting child process exit code, assuming failure.", e);
ec = 1;
}
if (ec != 0) {
State currState = getState();
// Override state with failure if the current state is not final, or is success.
if (!currState.isFinal() || currState == State.FINISHED) {
setState(State.FAILED, true);
}
}
dispose();
}
} | java | void monitorChild() {
Process proc = childProc;
if (proc == null) {
// Process may have already been disposed of, e.g. by calling kill().
return;
}
while (proc.isAlive()) {
try {
proc.waitFor();
} catch (Exception e) {
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}
}
synchronized (this) {
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int ec;
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if (!currState.isFinal() || currState == State.FINISHED) {
setState(State.FAILED, true);
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dispose();
}
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apache/flink | flink-core/src/main/java/org/apache/flink/api/common/typeutils/TypeSerializerSnapshotSerializationUtil.java | TypeSerializerSnapshotSerializationUtil.readSerializerSnapshot | public static <T> TypeSerializerSnapshot<T> readSerializerSnapshot(
DataInputView in,
ClassLoader userCodeClassLoader,
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final TypeSerializerSnapshotSerializationProxy<T> proxy =
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proxy.read(in);
return proxy.getSerializerSnapshot();
} | java | public static <T> TypeSerializerSnapshot<T> readSerializerSnapshot(
DataInputView in,
ClassLoader userCodeClassLoader,
@Nullable TypeSerializer<T> existingPriorSerializer) throws IOException {
final TypeSerializerSnapshotSerializationProxy<T> proxy =
new TypeSerializerSnapshotSerializationProxy<>(userCodeClassLoader, existingPriorSerializer);
proxy.read(in);
return proxy.getSerializerSnapshot();
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apache/flink | flink-java/src/main/java/org/apache/flink/api/java/io/TextInputFormat.java | TextInputFormat.readRecord | @Override
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//Check if \n is used as delimiter and the end of this line is a \r, then remove \r from the line
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&& bytes[offset + numBytes - 1] == CARRIAGE_RETURN){
numBytes -= 1;
}
return new String(bytes, offset, numBytes, this.charsetName);
} | java | @Override
public String readRecord(String reusable, byte[] bytes, int offset, int numBytes) throws IOException {
//Check if \n is used as delimiter and the end of this line is a \r, then remove \r from the line
if (this.getDelimiter() != null && this.getDelimiter().length == 1
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apache/spark | common/network-common/src/main/java/org/apache/spark/network/util/LevelDBProvider.java | LevelDBProvider.checkVersion | public static void checkVersion(DB db, StoreVersion newversion, ObjectMapper mapper) throws
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byte[] bytes = db.get(StoreVersion.KEY);
if (bytes == null) {
storeVersion(db, newversion, mapper);
} else {
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if (version.major != newversion.major) {
throw new IOException("cannot read state DB with version " + version + ", incompatible " +
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}
storeVersion(db, newversion, mapper);
}
} | java | public static void checkVersion(DB db, StoreVersion newversion, ObjectMapper mapper) throws
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byte[] bytes = db.get(StoreVersion.KEY);
if (bytes == null) {
storeVersion(db, newversion, mapper);
} else {
StoreVersion version = mapper.readValue(bytes, StoreVersion.class);
if (version.major != newversion.major) {
throw new IOException("cannot read state DB with version " + version + ", incompatible " +
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}
storeVersion(db, newversion, mapper);
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/util/ZipUtil.java | ZipUtil.zip | public static File zip(String srcPath, String zipPath, boolean withSrcDir) throws UtilException {
return zip(srcPath, zipPath, DEFAULT_CHARSET, withSrcDir);
} | java | public static File zip(String srcPath, String zipPath, boolean withSrcDir) throws UtilException {
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java | FileUtil.appendUtf8String | public static File appendUtf8String(String content, String path) throws IORuntimeException {
return appendString(content, path, CharsetUtil.CHARSET_UTF_8);
} | java | public static File appendUtf8String(String content, String path) throws IORuntimeException {
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spring-projects/spring-boot | spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/servlet/CloudFoundrySecurityService.java | CloudFoundrySecurityService.fetchTokenKeys | public Map<String, String> fetchTokenKeys() {
try {
return extractTokenKeys(this.restTemplate
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catch (HttpStatusCodeException ex) {
throw new CloudFoundryAuthorizationException(Reason.SERVICE_UNAVAILABLE,
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}
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try {
return extractTokenKeys(this.restTemplate
.getForObject(getUaaUrl() + "/token_keys", Map.class));
}
catch (HttpStatusCodeException ex) {
throw new CloudFoundryAuthorizationException(Reason.SERVICE_UNAVAILABLE,
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/util/ArrayUtil.java | ArrayUtil.removeEmpty | public static <T extends CharSequence> T[] removeEmpty(T[] array) {
return filter(array, new Filter<T>() {
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return false == StrUtil.isEmpty(t);
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return filter(array, new Filter<T>() {
@Override
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netty/netty | codec/src/main/java/io/netty/handler/codec/protobuf/ProtobufVarint32LengthFieldPrepender.java | ProtobufVarint32LengthFieldPrepender.writeRawVarint32 | static void writeRawVarint32(ByteBuf out, int value) {
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return;
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return;
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hankcs/HanLP | src/main/java/com/hankcs/hanlp/dictionary/common/CommonDictionary.java | CommonDictionary.loadDat | protected boolean loadDat(ByteArray byteArray)
{
V[] valueArray = loadValueArray(byteArray);
if (valueArray == null)
{
return false;
}
return trie.load(byteArray.getBytes(), byteArray.getOffset(), valueArray);
} | java | protected boolean loadDat(ByteArray byteArray)
{
V[] valueArray = loadValueArray(byteArray);
if (valueArray == null)
{
return false;
}
return trie.load(byteArray.getBytes(), byteArray.getOffset(), valueArray);
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apache/flink | flink-core/src/main/java/org/apache/flink/api/common/state/MapStateDescriptor.java | MapStateDescriptor.getKeySerializer | public TypeSerializer<UK> getKeySerializer() {
final TypeSerializer<Map<UK, UV>> rawSerializer = getSerializer();
if (!(rawSerializer instanceof MapSerializer)) {
throw new IllegalStateException("Unexpected serializer type.");
}
return ((MapSerializer<UK, UV>) rawSerializer).getKeySerializer();
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final TypeSerializer<Map<UK, UV>> rawSerializer = getSerializer();
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throw new IllegalStateException("Unexpected serializer type.");
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apache/flink | flink-runtime/src/main/java/org/apache/flink/runtime/heartbeat/HeartbeatManagerImpl.java | HeartbeatManagerImpl.monitorTarget | @Override
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if (!stopped) {
if (heartbeatTargets.containsKey(resourceID)) {
log.debug("The target with resource ID {} is already been monitored.", resourceID);
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// check if we have stopped in the meantime (concurrent stop operation)
if (stopped) {
heartbeatMonitor.cancel();
heartbeatTargets.remove(resourceID);
}
}
}
} | java | @Override
public void monitorTarget(ResourceID resourceID, HeartbeatTarget<O> heartbeatTarget) {
if (!stopped) {
if (heartbeatTargets.containsKey(resourceID)) {
log.debug("The target with resource ID {} is already been monitored.", resourceID);
} else {
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resourceID,
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scheduledExecutor,
heartbeatListener,
heartbeatTimeoutIntervalMs);
heartbeatTargets.put(
resourceID,
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// check if we have stopped in the meantime (concurrent stop operation)
if (stopped) {
heartbeatMonitor.cancel();
heartbeatTargets.remove(resourceID);
}
}
}
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apache/flink | flink-table/flink-table-planner-blink/src/main/java/org/apache/calcite/plan/RelOptCluster.java | RelOptCluster.create | public static RelOptCluster create(RelOptPlanner planner,
RexBuilder rexBuilder) {
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rexBuilder, new AtomicInteger(0), new HashMap<String, RelNode>());
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looly/hutool | hutool-poi/src/main/java/cn/hutool/poi/excel/ExcelWriter.java | ExcelWriter.writeCellValue | public ExcelWriter writeCellValue(int x, int y, Object value) {
final Cell cell = getOrCreateCell(x, y);
CellUtil.setCellValue(cell, value, this.styleSet, false);
return this;
} | java | public ExcelWriter writeCellValue(int x, int y, Object value) {
final Cell cell = getOrCreateCell(x, y);
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looly/hutool | hutool-db/src/main/java/cn/hutool/db/sql/SqlUtil.java | SqlUtil.toSqlTimestamp | public static java.sql.Timestamp toSqlTimestamp(java.util.Date date) {
return new java.sql.Timestamp(date.getTime());
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apache/flink | flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ExecutionGraph.java | ExecutionGraph.allVerticesInTerminalState | private void allVerticesInTerminalState(long expectedGlobalVersionForRestart) {
assertRunningInJobMasterMainThread();
// we are done, transition to the final state
JobStatus current;
while (true) {
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break;
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// concurrent job status change, let's check again
}
else if (current.isGloballyTerminalState()) {
LOG.warn("Job has entered globally terminal state without waiting for all " +
"job vertices to reach final state.");
break;
}
else {
failGlobal(new Exception("ExecutionGraph went into final state from state " + current));
break;
}
}
// done transitioning the state
} | java | private void allVerticesInTerminalState(long expectedGlobalVersionForRestart) {
assertRunningInJobMasterMainThread();
// we are done, transition to the final state
JobStatus current;
while (true) {
current = this.state;
if (current == JobStatus.RUNNING) {
failGlobal(new Exception("ExecutionGraph went into allVerticesInTerminalState() from RUNNING"));
}
else if (current == JobStatus.CANCELLING) {
if (transitionState(current, JobStatus.CANCELED)) {
onTerminalState(JobStatus.CANCELED);
break;
}
}
else if (current == JobStatus.FAILING) {
if (tryRestartOrFail(expectedGlobalVersionForRestart)) {
break;
}
// concurrent job status change, let's check again
}
else if (current.isGloballyTerminalState()) {
LOG.warn("Job has entered globally terminal state without waiting for all " +
"job vertices to reach final state.");
break;
}
else {
failGlobal(new Exception("ExecutionGraph went into final state from state " + current));
break;
}
}
// done transitioning the state
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java | FileUtil.appendString | public static File appendString(String content, File file, String charset) throws IORuntimeException {
return FileWriter.create(file, CharsetUtil.charset(charset)).append(content);
} | java | public static File appendString(String content, File file, String charset) throws IORuntimeException {
return FileWriter.create(file, CharsetUtil.charset(charset)).append(content);
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apache/incubator-shardingsphere | sharding-proxy/sharding-proxy-backend/src/main/java/org/apache/shardingsphere/shardingproxy/backend/communication/jdbc/recognizer/JDBCDriverURLRecognizerEngine.java | JDBCDriverURLRecognizerEngine.getDriverClassName | public static String getDriverClassName(final String url) {
for (Entry<String, String> entry : URL_PREFIX_AND_DRIVER_CLASS_NAME_MAPPER.entrySet()) {
if (url.startsWith(entry.getKey())) {
return entry.getValue();
}
}
throw new ShardingException("Cannot resolve JDBC url `%s`. Please implements `%s` and add to SPI.", url, JDBCDriverURLRecognizer.class.getName());
} | java | public static String getDriverClassName(final String url) {
for (Entry<String, String> entry : URL_PREFIX_AND_DRIVER_CLASS_NAME_MAPPER.entrySet()) {
if (url.startsWith(entry.getKey())) {
return entry.getValue();
}
}
throw new ShardingException("Cannot resolve JDBC url `%s`. Please implements `%s` and add to SPI.", url, JDBCDriverURLRecognizer.class.getName());
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hankcs/HanLP | src/main/java/com/hankcs/hanlp/collection/trie/bintrie/BinTrie.java | BinTrie.load | public boolean load(String path, V[] value)
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byte[] bytes = IOUtil.readBytes(path);
if (bytes == null) return false;
_ValueArray valueArray = new _ValueArray(value);
ByteArray byteArray = new ByteArray(bytes);
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int flag = byteArray.nextInt();
if (flag == 1)
{
child[i] = new Node<V>();
child[i].walkToLoad(byteArray, valueArray);
}
}
size = value.length;
return true;
} | java | public boolean load(String path, V[] value)
{
byte[] bytes = IOUtil.readBytes(path);
if (bytes == null) return false;
_ValueArray valueArray = new _ValueArray(value);
ByteArray byteArray = new ByteArray(bytes);
for (int i = 0; i < child.length; ++i)
{
int flag = byteArray.nextInt();
if (flag == 1)
{
child[i] = new Node<V>();
child[i].walkToLoad(byteArray, valueArray);
}
}
size = value.length;
return true;
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apache/spark | sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/thrift/ThriftCLIServiceClient.java | ThriftCLIServiceClient.getOperationStatus | @Override
public OperationStatus getOperationStatus(OperationHandle opHandle) throws HiveSQLException {
try {
TGetOperationStatusReq req = new TGetOperationStatusReq(opHandle.toTOperationHandle());
TGetOperationStatusResp resp = cliService.GetOperationStatus(req);
// Checks the status of the RPC call, throws an exception in case of error
checkStatus(resp.getStatus());
OperationState opState = OperationState.getOperationState(resp.getOperationState());
HiveSQLException opException = null;
if (opState == OperationState.ERROR) {
opException = new HiveSQLException(resp.getErrorMessage(), resp.getSqlState(), resp.getErrorCode());
}
return new OperationStatus(opState, opException);
} catch (HiveSQLException e) {
throw e;
} catch (Exception e) {
throw new HiveSQLException(e);
}
} | java | @Override
public OperationStatus getOperationStatus(OperationHandle opHandle) throws HiveSQLException {
try {
TGetOperationStatusReq req = new TGetOperationStatusReq(opHandle.toTOperationHandle());
TGetOperationStatusResp resp = cliService.GetOperationStatus(req);
// Checks the status of the RPC call, throws an exception in case of error
checkStatus(resp.getStatus());
OperationState opState = OperationState.getOperationState(resp.getOperationState());
HiveSQLException opException = null;
if (opState == OperationState.ERROR) {
opException = new HiveSQLException(resp.getErrorMessage(), resp.getSqlState(), resp.getErrorCode());
}
return new OperationStatus(opState, opException);
} catch (HiveSQLException e) {
throw e;
} catch (Exception e) {
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hankcs/HanLP | src/main/java/com/hankcs/hanlp/seg/common/Vertex.java | Vertex.newPersonInstance | public static Vertex newPersonInstance(String realWord, int frequency)
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} | java | public static Vertex newPersonInstance(String realWord, int frequency)
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apache/flink | flink-libraries/flink-streaming-python/src/main/java/org/apache/flink/streaming/python/api/datastream/PythonKeyedStream.java | PythonKeyedStream.time_window | public PythonWindowedStream time_window(Time size, Time slide) {
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netty/netty | buffer/src/main/java/io/netty/buffer/CompositeByteBuf.java | CompositeByteBuf.addComponents | public CompositeByteBuf addComponents(boolean increaseWriterIndex, Iterable<ByteBuf> buffers) {
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apache/flink | flink-queryable-state/flink-queryable-state-client-java/src/main/java/org/apache/flink/queryablestate/client/state/serialization/KvStateSerializer.java | KvStateSerializer.serializeMap | public static <UK, UV> byte[] serializeMap(Iterable<Map.Entry<UK, UV>> entries, TypeSerializer<UK> keySerializer, TypeSerializer<UV> valueSerializer) throws IOException {
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spring-projects/spring-boot | spring-boot-project/spring-boot-tools/spring-boot-configuration-metadata/src/main/java/org/springframework/boot/configurationmetadata/RawConfigurationMetadata.java | RawConfigurationMetadata.resolveName | private void resolveName(ConfigurationMetadataItem item) {
item.setName(item.getId()); // fallback
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} | java | private void resolveName(ConfigurationMetadataItem item) {
item.setName(item.getId()); // fallback
ConfigurationMetadataSource source = getSource(item);
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String groupId = source.getGroupId();
String dottedPrefix = groupId + ".";
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String name = id.substring(dottedPrefix.length());
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/util/ModifierUtil.java | ModifierUtil.hasModifier | public static boolean hasModifier(Class<?> clazz, ModifierType... modifierTypes) {
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} | java | public static boolean hasModifier(Class<?> clazz, ModifierType... modifierTypes) {
if (null == clazz || ArrayUtil.isEmpty(modifierTypes)) {
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return 0 != (clazz.getModifiers() & modifiersToInt(modifierTypes));
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netty/netty | codec-memcache/src/main/java/io/netty/handler/codec/memcache/binary/AbstractBinaryMemcacheEncoder.java | AbstractBinaryMemcacheEncoder.encodeExtras | private static void encodeExtras(ByteBuf buf, ByteBuf extras) {
if (extras == null || !extras.isReadable()) {
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}
buf.writeBytes(extras);
} | java | private static void encodeExtras(ByteBuf buf, ByteBuf extras) {
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netty/netty | codec-http2/src/main/java/io/netty/handler/codec/http2/AbstractInboundHttp2ToHttpAdapterBuilder.java | AbstractInboundHttp2ToHttpAdapterBuilder.build | protected T build() {
final T instance;
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connection.addListener(instance);
return instance;
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final T instance;
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} catch (Throwable t) {
throw new IllegalStateException("failed to create a new InboundHttp2ToHttpAdapter", t);
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connection.addListener(instance);
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apache/flink | flink-runtime/src/main/java/org/apache/flink/runtime/util/EnvironmentInformation.java | EnvironmentInformation.getMaxJvmHeapMemory | public static long getMaxJvmHeapMemory() {
final long maxMemory = Runtime.getRuntime().maxMemory();
if (maxMemory != Long.MAX_VALUE) {
// we have the proper max memory
return maxMemory;
} else {
// max JVM heap size is not set - use the heuristic to use 1/4th of the physical memory
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if (physicalMemory != -1) {
// got proper value for physical memory
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} else {
throw new RuntimeException("Could not determine the amount of free memory.\n" +
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}
}
} | java | public static long getMaxJvmHeapMemory() {
final long maxMemory = Runtime.getRuntime().maxMemory();
if (maxMemory != Long.MAX_VALUE) {
// we have the proper max memory
return maxMemory;
} else {
// max JVM heap size is not set - use the heuristic to use 1/4th of the physical memory
final long physicalMemory = Hardware.getSizeOfPhysicalMemory();
if (physicalMemory != -1) {
// got proper value for physical memory
return physicalMemory / 4;
} else {
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apache/spark | launcher/src/main/java/org/apache/spark/launcher/AbstractLauncher.java | AbstractLauncher.setAppName | public T setAppName(String appName) {
checkNotNull(appName, "appName");
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} | java | public T setAppName(String appName) {
checkNotNull(appName, "appName");
builder.appName = appName;
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spring-projects/spring-boot | spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/tunnel/payload/HttpTunnelPayload.java | HttpTunnelPayload.getPayloadData | public static ByteBuffer getPayloadData(ReadableByteChannel channel)
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apache/flink | flink-core/src/main/java/org/apache/flink/configuration/Configuration.java | Configuration.getDouble | @PublicEvolving
public double getDouble(ConfigOption<Double> configOption) {
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redisson/redisson | redisson/src/main/java/org/redisson/spring/cache/CacheConfig.java | CacheConfig.fromYAML | public static Map<String, ? extends CacheConfig> fromYAML(Reader reader) throws IOException {
return new CacheConfigSupport().fromYAML(reader);
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networknt/light-4j | metrics/src/main/java/io/dropwizard/metrics/MetricRegistry.java | MetricRegistry.name | public static MetricName name(String name, String... names) {
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length = names.length;
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} | java | public static MetricName name(String name, String... names) {
final int length;
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length = 0;
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length = names.length;
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final String[] parts = new String[length + 1];
parts[0] = name;
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looly/hutool | hutool-extra/src/main/java/cn/hutool/extra/qrcode/QrCodeUtil.java | QrCodeUtil.encode | public static BitMatrix encode(String content, BarcodeFormat format, QrConfig config) {
final MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
if (null == config) {
// 默认配置
config = new QrConfig();
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try {
bitMatrix = multiFormatWriter.encode(content, format, config.width, config.height, config.toHints());
} catch (WriterException e) {
throw new QrCodeException(e);
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return bitMatrix;
} | java | public static BitMatrix encode(String content, BarcodeFormat format, QrConfig config) {
final MultiFormatWriter multiFormatWriter = new MultiFormatWriter();
if (null == config) {
// 默认配置
config = new QrConfig();
}
BitMatrix bitMatrix;
try {
bitMatrix = multiFormatWriter.encode(content, format, config.width, config.height, config.toHints());
} catch (WriterException e) {
throw new QrCodeException(e);
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return bitMatrix;
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netty/netty | transport/src/main/java/io/netty/channel/CoalescingBufferQueue.java | CoalescingBufferQueue.remove | public ByteBuf remove(int bytes, ChannelPromise aggregatePromise) {
return remove(channel.alloc(), bytes, aggregatePromise);
} | java | public ByteBuf remove(int bytes, ChannelPromise aggregatePromise) {
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apache/flink | flink-core/src/main/java/org/apache/flink/configuration/Configuration.java | Configuration.getFloat | @PublicEvolving
public float getFloat(ConfigOption<Float> configOption) {
Object o = getValueOrDefaultFromOption(configOption);
return convertToFloat(o, configOption.defaultValue());
} | java | @PublicEvolving
public float getFloat(ConfigOption<Float> configOption) {
Object o = getValueOrDefaultFromOption(configOption);
return convertToFloat(o, configOption.defaultValue());
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hankcs/HanLP | src/main/java/com/hankcs/hanlp/dictionary/CustomDictionary.java | CustomDictionary.contains | public static boolean contains(String key)
{
if (dat.exactMatchSearch(key) >= 0) return true;
return trie != null && trie.containsKey(key);
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if (dat.exactMatchSearch(key) >= 0) return true;
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apache/flink | flink-table/flink-table-planner/src/main/java/org/apache/calcite/sql/validate/SqlValidatorImpl.java | SqlValidatorImpl.lookupNameCompletionHints | public final void lookupNameCompletionHints(
SqlValidatorScope scope,
List<String> names,
SqlParserPos pos,
Collection<SqlMoniker> hintList) {
// Remove the last part of name - it is a dummy
List<String> subNames = Util.skipLast(names);
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SqlValidatorNamespace ns = null;
for (String name : subNames) {
if (ns == null) {
final SqlValidatorScope.ResolvedImpl resolved =
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final SqlNameMatcher nameMatcher = catalogReader.nameMatcher();
scope.resolve(ImmutableList.of(name), nameMatcher, false, resolved);
if (resolved.count() == 1) {
ns = resolved.only().namespace;
}
} else {
ns = ns.lookupChild(name);
}
if (ns == null) {
break;
}
}
if (ns != null) {
RelDataType rowType = ns.getRowType();
if (rowType.isStruct()) {
for (RelDataTypeField field : rowType.getFieldList()) {
hintList.add(
new SqlMonikerImpl(
field.getName(),
SqlMonikerType.COLUMN));
}
}
}
// builtin function names are valid completion hints when the
// identifier has only 1 name part
findAllValidFunctionNames(names, this, hintList, pos);
} else {
// No prefix; use the children of the current scope (that is,
// the aliases in the FROM clause)
scope.findAliases(hintList);
// If there's only one alias, add all child columns
SelectScope selectScope =
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if ((selectScope != null)
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RelDataType rowType =
selectScope.getChildren().get(0).getRowType();
for (RelDataTypeField field : rowType.getFieldList()) {
hintList.add(
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field.getName(),
SqlMonikerType.COLUMN));
}
}
}
findAllValidUdfNames(names, this, hintList);
} | java | public final void lookupNameCompletionHints(
SqlValidatorScope scope,
List<String> names,
SqlParserPos pos,
Collection<SqlMoniker> hintList) {
// Remove the last part of name - it is a dummy
List<String> subNames = Util.skipLast(names);
if (subNames.size() > 0) {
// If there's a prefix, resolve it to a namespace.
SqlValidatorNamespace ns = null;
for (String name : subNames) {
if (ns == null) {
final SqlValidatorScope.ResolvedImpl resolved =
new SqlValidatorScope.ResolvedImpl();
final SqlNameMatcher nameMatcher = catalogReader.nameMatcher();
scope.resolve(ImmutableList.of(name), nameMatcher, false, resolved);
if (resolved.count() == 1) {
ns = resolved.only().namespace;
}
} else {
ns = ns.lookupChild(name);
}
if (ns == null) {
break;
}
}
if (ns != null) {
RelDataType rowType = ns.getRowType();
if (rowType.isStruct()) {
for (RelDataTypeField field : rowType.getFieldList()) {
hintList.add(
new SqlMonikerImpl(
field.getName(),
SqlMonikerType.COLUMN));
}
}
}
// builtin function names are valid completion hints when the
// identifier has only 1 name part
findAllValidFunctionNames(names, this, hintList, pos);
} else {
// No prefix; use the children of the current scope (that is,
// the aliases in the FROM clause)
scope.findAliases(hintList);
// If there's only one alias, add all child columns
SelectScope selectScope =
SqlValidatorUtil.getEnclosingSelectScope(scope);
if ((selectScope != null)
&& (selectScope.getChildren().size() == 1)) {
RelDataType rowType =
selectScope.getChildren().get(0).getRowType();
for (RelDataTypeField field : rowType.getFieldList()) {
hintList.add(
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field.getName(),
SqlMonikerType.COLUMN));
}
}
}
findAllValidUdfNames(names, this, hintList);
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netty/netty | common/src/main/java/io/netty/util/ConstantPool.java | ConstantPool.createOrThrow | private T createOrThrow(String name) {
T constant = constants.get(name);
if (constant == null) {
final T tempConstant = newConstant(nextId(), name);
constant = constants.putIfAbsent(name, tempConstant);
if (constant == null) {
return tempConstant;
}
}
throw new IllegalArgumentException(String.format("'%s' is already in use", name));
} | java | private T createOrThrow(String name) {
T constant = constants.get(name);
if (constant == null) {
final T tempConstant = newConstant(nextId(), name);
constant = constants.putIfAbsent(name, tempConstant);
if (constant == null) {
return tempConstant;
}
}
throw new IllegalArgumentException(String.format("'%s' is already in use", name));
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apache/flink | flink-streaming-java/src/main/java/org/apache/flink/streaming/api/environment/StreamExecutionEnvironment.java | StreamExecutionEnvironment.readTextFile | public DataStreamSource<String> readTextFile(String filePath, String charsetName) {
Preconditions.checkArgument(!StringUtils.isNullOrWhitespaceOnly(filePath), "The file path must not be null or blank.");
TextInputFormat format = new TextInputFormat(new Path(filePath));
format.setFilesFilter(FilePathFilter.createDefaultFilter());
TypeInformation<String> typeInfo = BasicTypeInfo.STRING_TYPE_INFO;
format.setCharsetName(charsetName);
return readFile(format, filePath, FileProcessingMode.PROCESS_ONCE, -1, typeInfo);
} | java | public DataStreamSource<String> readTextFile(String filePath, String charsetName) {
Preconditions.checkArgument(!StringUtils.isNullOrWhitespaceOnly(filePath), "The file path must not be null or blank.");
TextInputFormat format = new TextInputFormat(new Path(filePath));
format.setFilesFilter(FilePathFilter.createDefaultFilter());
TypeInformation<String> typeInfo = BasicTypeInfo.STRING_TYPE_INFO;
format.setCharsetName(charsetName);
return readFile(format, filePath, FileProcessingMode.PROCESS_ONCE, -1, typeInfo);
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alibaba/canal | server/src/main/java/com/alibaba/otter/canal/server/embedded/CanalServerWithEmbedded.java | CanalServerWithEmbedded.ack | @Override
public void ack(ClientIdentity clientIdentity, long batchId) throws CanalServerException {
checkStart(clientIdentity.getDestination());
checkSubscribe(clientIdentity);
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// // Position position =
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// LogPosition minPosition =
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// position);
// if (minPosition == position) {// ack的position要晚于该最后ack的位置，可能有丢数据
// throw new CanalServerException(
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// "ack error , clientId:%s batchId:%d %s is jump ack , last ack:%s",
// clientIdentity.getClientId(), batchId, positionRanges,
// position));
// }
// }
// 更新cursor
if (positionRanges.getAck() != null) {
canalInstance.getMetaManager().updateCursor(clientIdentity, positionRanges.getAck());
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logger.info("ack successfully, clientId:{} batchId:{} position:{}",
clientIdentity.getClientId(),
batchId,
positionRanges);
}
}
// 可定时清理数据
canalInstance.getEventStore().ack(positionRanges.getEnd());
} | java | @Override
public void ack(ClientIdentity clientIdentity, long batchId) throws CanalServerException {
checkStart(clientIdentity.getDestination());
checkSubscribe(clientIdentity);
CanalInstance canalInstance = canalInstances.get(clientIdentity.getDestination());
PositionRange<LogPosition> positionRanges = null;
positionRanges = canalInstance.getMetaManager().removeBatch(clientIdentity, batchId); // 更新位置
if (positionRanges == null) { // 说明是重复的ack/rollback
throw new CanalServerException(String.format("ack error , clientId:%s batchId:%d is not exist , please check",
clientIdentity.getClientId(),
batchId));
}
// 更新cursor最好严格判断下位置是否有跳跃更新
// Position position = lastRollbackPostions.get(clientIdentity);
// if (position != null) {
// // Position position =
// canalInstance.getMetaManager().getCursor(clientIdentity);
// LogPosition minPosition =
// CanalEventUtils.min(positionRanges.getStart(), (LogPosition)
// position);
// if (minPosition == position) {// ack的position要晚于该最后ack的位置，可能有丢数据
// throw new CanalServerException(
// String.format(
// "ack error , clientId:%s batchId:%d %s is jump ack , last ack:%s",
// clientIdentity.getClientId(), batchId, positionRanges,
// position));
// }
// }
// 更新cursor
if (positionRanges.getAck() != null) {
canalInstance.getMetaManager().updateCursor(clientIdentity, positionRanges.getAck());
if (logger.isInfoEnabled()) {
logger.info("ack successfully, clientId:{} batchId:{} position:{}",
clientIdentity.getClientId(),
batchId,
positionRanges);
}
}
// 可定时清理数据
canalInstance.getEventStore().ack(positionRanges.getEnd());
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/date/DateTime.java | DateTime.parse | private static Date parse(String dateStr, DateParser parser) {
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try {
return parser.parse(dateStr);
} catch (Exception e) {
throw new DateException("Parse [{}] with format [{}] error!", dateStr, parser.getPattern(), e);
}
} | java | private static Date parse(String dateStr, DateParser parser) {
Assert.notNull(parser, "Parser or DateFromat must be not null !");
Assert.notBlank(dateStr, "Date String must be not blank !");
try {
return parser.parse(dateStr);
} catch (Exception e) {
throw new DateException("Parse [{}] with format [{}] error!", dateStr, parser.getPattern(), e);
}
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/collection/CollUtil.java | CollUtil.filter | public static <T> Collection<T> filter(Collection<T> collection, Editor<T> editor) {
if (null == collection || null == editor) {
return collection;
}
Collection<T> collection2 = ObjectUtil.clone(collection);
try {
collection2.clear();
} catch (UnsupportedOperationException e) {
// 克隆后的对象不支持清空，说明为不可变集合对象，使用默认的ArrayList保存结果
collection2 = new ArrayList<>();
}
T modified;
for (T t : collection) {
modified = editor.edit(t);
if (null != modified) {
collection2.add(modified);
}
}
return collection2;
} | java | public static <T> Collection<T> filter(Collection<T> collection, Editor<T> editor) {
if (null == collection || null == editor) {
return collection;
}
Collection<T> collection2 = ObjectUtil.clone(collection);
try {
collection2.clear();
} catch (UnsupportedOperationException e) {
// 克隆后的对象不支持清空，说明为不可变集合对象，使用默认的ArrayList保存结果
collection2 = new ArrayList<>();
}
T modified;
for (T t : collection) {
modified = editor.edit(t);
if (null != modified) {
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return collection2;
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SeleniumHQ/selenium | java/client/src/org/openqa/selenium/support/ui/Quotes.java | Quotes.escape | @SuppressWarnings("JavaDoc")
public static String escape(String toEscape) {
if (toEscape.contains("\"") && toEscape.contains("'")) {
boolean quoteIsLast = false;
if (toEscape.lastIndexOf("\"") == toEscape.length() - 1) {
quoteIsLast = true;
}
String[] substringsWithoutQuotes = toEscape.split("\"");
StringBuilder quoted = new StringBuilder("concat(");
for (int i = 0; i < substringsWithoutQuotes.length; i++) {
quoted.append("\"").append(substringsWithoutQuotes[i]).append("\"");
quoted
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: ", '\"', "));
}
return quoted.toString();
}
// Escape string with just a quote into being single quoted: f"oo -> 'f"oo'
if (toEscape.contains("\"")) {
return String.format("'%s'", toEscape);
}
// Otherwise return the quoted string
return String.format("\"%s\"", toEscape);
} | java | @SuppressWarnings("JavaDoc")
public static String escape(String toEscape) {
if (toEscape.contains("\"") && toEscape.contains("'")) {
boolean quoteIsLast = false;
if (toEscape.lastIndexOf("\"") == toEscape.length() - 1) {
quoteIsLast = true;
}
String[] substringsWithoutQuotes = toEscape.split("\"");
StringBuilder quoted = new StringBuilder("concat(");
for (int i = 0; i < substringsWithoutQuotes.length; i++) {
quoted.append("\"").append(substringsWithoutQuotes[i]).append("\"");
quoted
.append(((i == substringsWithoutQuotes.length - 1) ? (quoteIsLast ? ", '\"')" : ")")
: ", '\"', "));
}
return quoted.toString();
}
// Escape string with just a quote into being single quoted: f"oo -> 'f"oo'
if (toEscape.contains("\"")) {
return String.format("'%s'", toEscape);
}
// Otherwise return the quoted string
return String.format("\"%s\"", toEscape);
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netty/netty | common/src/main/java/io/netty/util/internal/SystemPropertyUtil.java | SystemPropertyUtil.getBoolean | public static boolean getBoolean(String key, boolean def) {
String value = get(key);
if (value == null) {
return def;
}
value = value.trim().toLowerCase();
if (value.isEmpty()) {
return def;
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if ("true".equals(value) || "yes".equals(value) || "1".equals(value)) {
return true;
}
if ("false".equals(value) || "no".equals(value) || "0".equals(value)) {
return false;
}
logger.warn(
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return def;
} | java | public static boolean getBoolean(String key, boolean def) {
String value = get(key);
if (value == null) {
return def;
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value = value.trim().toLowerCase();
if (value.isEmpty()) {
return def;
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if ("false".equals(value) || "no".equals(value) || "0".equals(value)) {
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networknt/light-4j | http-url/src/main/java/com/networknt/url/URLNormalizer.java | URLNormalizer.addDirectoryTrailingSlash | public URLNormalizer addDirectoryTrailingSlash() {
String urlRoot = HttpURL.getRoot(url);
String path = toURL().getPath();
String urlRootAndPath = urlRoot + path;
String name = StringUtils.substringAfterLast(path, "/");
if (StringUtils.isNotBlank(name) && !name.contains(".")) {
String newPath = path + "/";
String newUrlRootAndPath = urlRoot + newPath;
url = StringUtils.replaceOnce(
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}
return this;
} | java | public URLNormalizer addDirectoryTrailingSlash() {
String urlRoot = HttpURL.getRoot(url);
String path = toURL().getPath();
String urlRootAndPath = urlRoot + path;
String name = StringUtils.substringAfterLast(path, "/");
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String newPath = path + "/";
String newUrlRootAndPath = urlRoot + newPath;
url = StringUtils.replaceOnce(
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return this;
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/util/ZipUtil.java | ZipUtil.zip | public static File zip(File zipFile, String[] paths, InputStream[] ins, Charset charset) throws UtilException {
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if (ArrayUtil.isEmpty(paths) || ArrayUtil.isEmpty(ins)) {
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}
if (paths.length != ins.length) {
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try {
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networknt/light-4j | utility/src/main/java/com/networknt/utility/StringUtils.java | StringUtils.startsWith | private static boolean startsWith(final CharSequence str, final CharSequence prefix, final boolean ignoreCase) {
if (str == null || prefix == null) {
return str == prefix;
}
if (prefix.length() > str.length()) {
return false;
}
return CharSequenceUtils.regionMatches(str, ignoreCase, 0, prefix, 0, prefix.length());
} | java | private static boolean startsWith(final CharSequence str, final CharSequence prefix, final boolean ignoreCase) {
if (str == null || prefix == null) {
return str == prefix;
}
if (prefix.length() > str.length()) {
return false;
}
return CharSequenceUtils.regionMatches(str, ignoreCase, 0, prefix, 0, prefix.length());
} | [
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netty/netty | codec-http/src/main/java/io/netty/handler/codec/http/HttpHeaders.java | HttpHeaders.containsValue | public boolean containsValue(CharSequence name, CharSequence value, boolean ignoreCase) {
Iterator<? extends CharSequence> itr = valueCharSequenceIterator(name);
while (itr.hasNext()) {
if (containsCommaSeparatedTrimmed(itr.next(), value, ignoreCase)) {
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return false;
} | java | public boolean containsValue(CharSequence name, CharSequence value, boolean ignoreCase) {
Iterator<? extends CharSequence> itr = valueCharSequenceIterator(name);
while (itr.hasNext()) {
if (containsCommaSeparatedTrimmed(itr.next(), value, ignoreCase)) {
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return false;
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/util/ClassUtil.java | ClassUtil.getPublicMethods | public static List<Method> getPublicMethods(Class<?> clazz, Method... excludeMethods) {
return ReflectUtil.getPublicMethods(clazz, excludeMethods);
} | java | public static List<Method> getPublicMethods(Class<?> clazz, Method... excludeMethods) {
return ReflectUtil.getPublicMethods(clazz, excludeMethods);
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spring-projects/spring-boot | spring-boot-project/spring-boot-devtools/src/main/java/org/springframework/boot/devtools/tunnel/client/TunnelClient.java | TunnelClient.start | public int start() throws IOException {
synchronized (this.monitor) {
Assert.state(this.serverThread == null, "Server already started");
ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
serverSocketChannel.socket().bind(new InetSocketAddress(this.listenPort));
int port = serverSocketChannel.socket().getLocalPort();
logger.trace("Listening for TCP traffic to tunnel on port " + port);
this.serverThread = new ServerThread(serverSocketChannel);
this.serverThread.start();
return port;
}
} | java | public int start() throws IOException {
synchronized (this.monitor) {
Assert.state(this.serverThread == null, "Server already started");
ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
serverSocketChannel.socket().bind(new InetSocketAddress(this.listenPort));
int port = serverSocketChannel.socket().getLocalPort();
logger.trace("Listening for TCP traffic to tunnel on port " + port);
this.serverThread = new ServerThread(serverSocketChannel);
this.serverThread.start();
return port;
}
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netty/netty | codec/src/main/java/io/netty/handler/codec/compression/Snappy.java | Snappy.findMatchingLength | private static int findMatchingLength(ByteBuf in, int minIndex, int inIndex, int maxIndex) {
int matched = 0;
while (inIndex <= maxIndex - 4 &&
in.getInt(inIndex) == in.getInt(minIndex + matched)) {
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while (inIndex < maxIndex && in.getByte(minIndex + matched) == in.getByte(inIndex)) {
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++matched;
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return matched;
} | java | private static int findMatchingLength(ByteBuf in, int minIndex, int inIndex, int maxIndex) {
int matched = 0;
while (inIndex <= maxIndex - 4 &&
in.getInt(inIndex) == in.getInt(minIndex + matched)) {
inIndex += 4;
matched += 4;
}
while (inIndex < maxIndex && in.getByte(minIndex + matched) == in.getByte(inIndex)) {
++inIndex;
++matched;
}
return matched;
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hankcs/HanLP | src/main/java/com/hankcs/hanlp/collection/trie/DoubleArrayTrie.java | DoubleArrayTrie.build | public int build(TreeMap<String, V> keyValueMap)
{
assert keyValueMap != null;
Set<Map.Entry<String, V>> entrySet = keyValueMap.entrySet();
return build(entrySet);
} | java | public int build(TreeMap<String, V> keyValueMap)
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Set<Map.Entry<String, V>> entrySet = keyValueMap.entrySet();
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/lang/UUID.java | UUID.compareTo | public int compareTo(UUID val) {
// The ordering is intentionally set up so that the UUIDs
// can simply be numerically compared as two numbers
return (this.mostSigBits < val.mostSigBits ? -1 : //
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} | java | public int compareTo(UUID val) {
// The ordering is intentionally set up so that the UUIDs
// can simply be numerically compared as two numbers
return (this.mostSigBits < val.mostSigBits ? -1 : //
(this.mostSigBits > val.mostSigBits ? 1 : //
(this.leastSigBits < val.leastSigBits ? -1 : //
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/util/XmlUtil.java | XmlUtil.mapToXml | private static void mapToXml(Document doc, Element element, Map<?, ?> data) {
Element filedEle;
Object key;
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key = entry.getKey();
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element.appendChild(filedEle);
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// value作为标签内的值。
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mapToXml(doc, filedEle, (Map<?, ?>) value);
element.appendChild(filedEle);
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filedEle.appendChild(doc.createTextNode(value.toString()));
}
}
}
}
} | java | private static void mapToXml(Document doc, Element element, Map<?, ?> data) {
Element filedEle;
Object key;
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key = entry.getKey();
if (null != key) {
// key作为标签名
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element.appendChild(filedEle);
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// value作为标签内的值。
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}
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apache/flink | flink-java/src/main/java/org/apache/flink/api/java/operators/IterativeDataSet.java | IterativeDataSet.registerAggregationConvergenceCriterion | @PublicEvolving
public <X extends Value> IterativeDataSet<T> registerAggregationConvergenceCriterion(
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} | java | @PublicEvolving
public <X extends Value> IterativeDataSet<T> registerAggregationConvergenceCriterion(
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this.aggregators.registerAggregationConvergenceCriterion(name, aggregator, convergenceCheck);
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apache/flink | flink-java/src/main/java/org/apache/flink/api/java/DataSet.java | DataSet.map | public <R> MapOperator<T, R> map(MapFunction<T, R> mapper) {
if (mapper == null) {
throw new NullPointerException("Map function must not be null.");
}
String callLocation = Utils.getCallLocationName();
TypeInformation<R> resultType = TypeExtractor.getMapReturnTypes(mapper, getType(), callLocation, true);
return new MapOperator<>(this, resultType, clean(mapper), callLocation);
} | java | public <R> MapOperator<T, R> map(MapFunction<T, R> mapper) {
if (mapper == null) {
throw new NullPointerException("Map function must not be null.");
}
String callLocation = Utils.getCallLocationName();
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apache/flink | flink-core/src/main/java/org/apache/flink/core/fs/FileSystem.java | FileSystem.loadHadoopFsFactory | private static FileSystemFactory loadHadoopFsFactory() {
final ClassLoader cl = FileSystem.class.getClassLoader();
// first, see if the Flink runtime classes are available
final Class<? extends FileSystemFactory> factoryClass;
try {
factoryClass = Class
.forName("org.apache.flink.runtime.fs.hdfs.HadoopFsFactory", false, cl)
.asSubclass(FileSystemFactory.class);
}
catch (ClassNotFoundException e) {
LOG.info("No Flink runtime dependency present. " +
"The extended set of supported File Systems via Hadoop is not available.");
return new UnsupportedSchemeFactory("Flink runtime classes missing in classpath/dependencies.");
}
catch (Exception | LinkageError e) {
LOG.warn("Flink's Hadoop file system factory could not be loaded", e);
return new UnsupportedSchemeFactory("Flink's Hadoop file system factory could not be loaded", e);
}
// check (for eager and better exception messages) if the Hadoop classes are available here
try {
Class.forName("org.apache.hadoop.conf.Configuration", false, cl);
Class.forName("org.apache.hadoop.fs.FileSystem", false, cl);
}
catch (ClassNotFoundException e) {
LOG.info("Hadoop is not in the classpath/dependencies. " +
"The extended set of supported File Systems via Hadoop is not available.");
return new UnsupportedSchemeFactory("Hadoop is not in the classpath/dependencies.");
}
// Create the factory.
try {
return factoryClass.newInstance();
}
catch (Exception | LinkageError e) {
LOG.warn("Flink's Hadoop file system factory could not be created", e);
return new UnsupportedSchemeFactory("Flink's Hadoop file system factory could not be created", e);
}
} | java | private static FileSystemFactory loadHadoopFsFactory() {
final ClassLoader cl = FileSystem.class.getClassLoader();
// first, see if the Flink runtime classes are available
final Class<? extends FileSystemFactory> factoryClass;
try {
factoryClass = Class
.forName("org.apache.flink.runtime.fs.hdfs.HadoopFsFactory", false, cl)
.asSubclass(FileSystemFactory.class);
}
catch (ClassNotFoundException e) {
LOG.info("No Flink runtime dependency present. " +
"The extended set of supported File Systems via Hadoop is not available.");
return new UnsupportedSchemeFactory("Flink runtime classes missing in classpath/dependencies.");
}
catch (Exception | LinkageError e) {
LOG.warn("Flink's Hadoop file system factory could not be loaded", e);
return new UnsupportedSchemeFactory("Flink's Hadoop file system factory could not be loaded", e);
}
// check (for eager and better exception messages) if the Hadoop classes are available here
try {
Class.forName("org.apache.hadoop.conf.Configuration", false, cl);
Class.forName("org.apache.hadoop.fs.FileSystem", false, cl);
}
catch (ClassNotFoundException e) {
LOG.info("Hadoop is not in the classpath/dependencies. " +
"The extended set of supported File Systems via Hadoop is not available.");
return new UnsupportedSchemeFactory("Hadoop is not in the classpath/dependencies.");
}
// Create the factory.
try {
return factoryClass.newInstance();
}
catch (Exception | LinkageError e) {
LOG.warn("Flink's Hadoop file system factory could not be created", e);
return new UnsupportedSchemeFactory("Flink's Hadoop file system factory could not be created", e);
}
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netty/netty | buffer/src/main/java/io/netty/buffer/CompositeByteBuf.java | CompositeByteBuf.addComponents | public CompositeByteBuf addComponents(boolean increaseWriterIndex, ByteBuf... buffers) {
checkNotNull(buffers, "buffers");
addComponents0(increaseWriterIndex, componentCount, buffers, 0);
consolidateIfNeeded();
return this;
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checkNotNull(buffers, "buffers");
addComponents0(increaseWriterIndex, componentCount, buffers, 0);
consolidateIfNeeded();
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hankcs/HanLP | src/main/java/com/hankcs/hanlp/algorithm/EditDistance.java | EditDistance.compute | public static int compute(char[] wrongWord, char[] rightWord)
{
final int m = wrongWord.length;
final int n = rightWord.length;
int[][] d = new int[m + 1][n + 1];
for (int j = 0; j <= n; ++j)
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d[0][j] = j;
}
for (int i = 0; i <= m; ++i)
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d[i][0] = i;
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for (int i = 1; i <= m; ++i)
{
char ci = wrongWord[i - 1];
for (int j = 1; j <= n; ++j)
{
char cj = rightWord[j - 1];
if (ci == cj)
{
d[i][j] = d[i - 1][j - 1];
}
else if (i > 1 && j > 1 && ci == rightWord[j - 2] && cj == wrongWord[i - 2])
{
// 交错相等
d[i][j] = 1 + Math.min(d[i - 2][j - 2], Math.min(d[i][j - 1], d[i - 1][j]));
}
else
{
// 等号右边的分别代表 将ci改成cj 错串加cj 错串删ci
d[i][j] = Math.min(d[i - 1][j - 1] + 1, Math.min(d[i][j - 1] + 1, d[i - 1][j] + 1));
}
}
}
return d[m][n];
} | java | public static int compute(char[] wrongWord, char[] rightWord)
{
final int m = wrongWord.length;
final int n = rightWord.length;
int[][] d = new int[m + 1][n + 1];
for (int j = 0; j <= n; ++j)
{
d[0][j] = j;
}
for (int i = 0; i <= m; ++i)
{
d[i][0] = i;
}
for (int i = 1; i <= m; ++i)
{
char ci = wrongWord[i - 1];
for (int j = 1; j <= n; ++j)
{
char cj = rightWord[j - 1];
if (ci == cj)
{
d[i][j] = d[i - 1][j - 1];
}
else if (i > 1 && j > 1 && ci == rightWord[j - 2] && cj == wrongWord[i - 2])
{
// 交错相等
d[i][j] = 1 + Math.min(d[i - 2][j - 2], Math.min(d[i][j - 1], d[i - 1][j]));
}
else
{
// 等号右边的分别代表 将ci改成cj 错串加cj 错串删ci
d[i][j] = Math.min(d[i - 1][j - 1] + 1, Math.min(d[i][j - 1] + 1, d[i - 1][j] + 1));
}
}
}
return d[m][n];
} | [
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@param wrongWord 串A，其实它们两个调换位置还是一样的
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apache/flink | flink-filesystems/flink-fs-hadoop-shaded/src/main/java/org/apache/hadoop/conf/Configuration.java | Configuration.addDeprecation | @Deprecated
public static void addDeprecation(String key, String[] newKeys,
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addDeprecations(new DeprecationDelta[] {
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} | java | @Deprecated
public static void addDeprecation(String key, String[] newKeys,
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addDeprecations(new DeprecationDelta[] {
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});
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netty/netty | codec-http/src/main/java/io/netty/handler/codec/http/HttpHeaders.java | HttpHeaders.setHeader | @Deprecated
public static void setHeader(HttpMessage message, String name, Iterable<?> values) {
message.headers().set(name, values);
} | java | @Deprecated
public static void setHeader(HttpMessage message, String name, Iterable<?> values) {
message.headers().set(name, values);
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/text/csv/CsvWriter.java | CsvWriter.appendField | private void appendField(final String value) throws IOException {
boolean alwaysDelimitText = config.alwaysDelimitText;
char textDelimiter = config.textDelimiter;
char fieldSeparator = config.fieldSeparator;
if (false == newline) {
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} else {
newline = false;
}
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writer.write(new char[] { textDelimiter, textDelimiter });
}
return;
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final char[] valueChars = value.toCharArray();
boolean needsTextDelimiter = alwaysDelimitText;
boolean containsTextDelimiter = false;
for (final char c : valueChars) {
if (c == textDelimiter) {
// 字段值中存在包装符
containsTextDelimiter = needsTextDelimiter = true;
break;
} else if (c == fieldSeparator || c == CharUtil.LF || c == CharUtil.CR) {
// 包含分隔符或换行符需要包装符包装
needsTextDelimiter = true;
}
}
// 包装符开始
if (needsTextDelimiter) {
writer.write(textDelimiter);
}
// 正文
if (containsTextDelimiter) {
for (final char c : valueChars) {
// 转义文本包装符
if (c == textDelimiter) {
writer.write(textDelimiter);
}
writer.write(c);
}
} else {
writer.write(valueChars);
}
// 包装符结尾
if (needsTextDelimiter) {
writer.write(textDelimiter);
}
} | java | private void appendField(final String value) throws IOException {
boolean alwaysDelimitText = config.alwaysDelimitText;
char textDelimiter = config.textDelimiter;
char fieldSeparator = config.fieldSeparator;
if (false == newline) {
writer.write(fieldSeparator);
} else {
newline = false;
}
if (null == value) {
if (alwaysDelimitText) {
writer.write(new char[] { textDelimiter, textDelimiter });
}
return;
}
final char[] valueChars = value.toCharArray();
boolean needsTextDelimiter = alwaysDelimitText;
boolean containsTextDelimiter = false;
for (final char c : valueChars) {
if (c == textDelimiter) {
// 字段值中存在包装符
containsTextDelimiter = needsTextDelimiter = true;
break;
} else if (c == fieldSeparator || c == CharUtil.LF || c == CharUtil.CR) {
// 包含分隔符或换行符需要包装符包装
needsTextDelimiter = true;
}
}
// 包装符开始
if (needsTextDelimiter) {
writer.write(textDelimiter);
}
// 正文
if (containsTextDelimiter) {
for (final char c : valueChars) {
// 转义文本包装符
if (c == textDelimiter) {
writer.write(textDelimiter);
}
writer.write(c);
}
} else {
writer.write(valueChars);
}
// 包装符结尾
if (needsTextDelimiter) {
writer.write(textDelimiter);
}
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apache/flink | flink-table/flink-table-common/src/main/java/org/apache/flink/table/utils/TableConnectorUtils.java | TableConnectorUtils.generateRuntimeName | public static String generateRuntimeName(Class<?> clazz, String[] fields) {
String className = clazz.getSimpleName();
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} else {
return className + "(" + String.join(", ", fields) + ")";
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} | java | public static String generateRuntimeName(Class<?> clazz, String[] fields) {
String className = clazz.getSimpleName();
if (null == fields) {
return className + "(*)";
} else {
return className + "(" + String.join(", ", fields) + ")";
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looly/hutool | hutool-captcha/src/main/java/cn/hutool/captcha/CaptchaUtil.java | CaptchaUtil.createLineCaptcha | public static LineCaptcha createLineCaptcha(int width, int height, int codeCount, int lineCount) {
return new LineCaptcha(width, height, codeCount, lineCount);
} | java | public static LineCaptcha createLineCaptcha(int width, int height, int codeCount, int lineCount) {
return new LineCaptcha(width, height, codeCount, lineCount);
} | [
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@param width 图片宽
@param height 图片高
@param codeCount 字符个数
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alibaba/canal | parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/tsdb/dao/MetaSnapshotDAO.java | MetaSnapshotDAO.deleteByTimestamp | public Integer deleteByTimestamp(String destination, int interval) {
HashMap params = Maps.newHashMapWithExpectedSize(2);
long timestamp = System.currentTimeMillis() - interval * 1000;
params.put("timestamp", timestamp);
params.put("destination", destination);
return getSqlMapClientTemplate().delete("meta_snapshot.deleteByTimestamp", params);
} | java | public Integer deleteByTimestamp(String destination, int interval) {
HashMap params = Maps.newHashMapWithExpectedSize(2);
long timestamp = System.currentTimeMillis() - interval * 1000;
params.put("timestamp", timestamp);
params.put("destination", destination);
return getSqlMapClientTemplate().delete("meta_snapshot.deleteByTimestamp", params);
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java | NumberUtil.generateRandomNumber | public static int[] generateRandomNumber(int begin, int end, int size) {
if (begin > end) {
int temp = begin;
begin = end;
end = temp;
}
// 加入逻辑判断，确保begin<end并且size不能大于该表示范围
if ((end - begin) < size) {
throw new UtilException("Size is larger than range between begin and end!");
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int[] seed = new int[end - begin];
for (int i = begin; i < end; i++) {
seed[i - begin] = i;
}
int[] ranArr = new int[size];
Random ran = new Random();
// 数量你可以自己定义。
for (int i = 0; i < size; i++) {
// 得到一个位置
int j = ran.nextInt(seed.length - i);
// 得到那个位置的数值
ranArr[i] = seed[j];
// 将最后一个未用的数字放到这里
seed[j] = seed[seed.length - 1 - i];
}
return ranArr;
} | java | public static int[] generateRandomNumber(int begin, int end, int size) {
if (begin > end) {
int temp = begin;
begin = end;
end = temp;
}
// 加入逻辑判断，确保begin<end并且size不能大于该表示范围
if ((end - begin) < size) {
throw new UtilException("Size is larger than range between begin and end!");
}
// 种子你可以随意生成，但不能重复
int[] seed = new int[end - begin];
for (int i = begin; i < end; i++) {
seed[i - begin] = i;
}
int[] ranArr = new int[size];
Random ran = new Random();
// 数量你可以自己定义。
for (int i = 0; i < size; i++) {
// 得到一个位置
int j = ran.nextInt(seed.length - i);
// 得到那个位置的数值
ranArr[i] = seed[j];
// 将最后一个未用的数字放到这里
seed[j] = seed[seed.length - 1 - i];
}
return ranArr;
} | [
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"... | 生成不重复随机数 根据给定的最小数字和最大数字，以及随机数的个数，产生指定的不重复的数组
@param begin 最小数字（包含该数）
@param end 最大数字（不包含该数）
@param size 指定产生随机数的个数
@return 随机int数组 | [
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] | bbd74eda4c7e8a81fe7a991fa6c2276eec062e6a | https://github.com/looly/hutool/blob/bbd74eda4c7e8a81fe7a991fa6c2276eec062e6a/hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java#L1226-L1254 | train | Generates a random number from the specified range of numbers. | [
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hankcs/HanLP | src/main/java/com/hankcs/hanlp/dependency/nnparser/Matrix.java | Matrix.getRowPackedCopy | public double[] getRowPackedCopy()
{
double[] vals = new double[m * n];
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
vals[i * n + j] = A[i][j];
}
}
return vals;
} | java | public double[] getRowPackedCopy()
{
double[] vals = new double[m * n];
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
vals[i * n + j] = A[i][j];
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}
return vals;
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apache/flink | flink-runtime/src/main/java/org/apache/flink/runtime/zookeeper/ZooKeeperStateHandleStore.java | ZooKeeperStateHandleStore.getAllPaths | public Collection<String> getAllPaths() throws Exception {
final String path = "/";
while (true) {
Stat stat = client.checkExists().forPath(path);
if (stat == null) {
return Collections.emptyList();
} else {
try {
return client.getChildren().forPath(path);
} catch (KeeperException.NoNodeException ignored) {
// Concurrent deletion, retry
}
}
}
} | java | public Collection<String> getAllPaths() throws Exception {
final String path = "/";
while (true) {
Stat stat = client.checkExists().forPath(path);
if (stat == null) {
return Collections.emptyList();
} else {
try {
return client.getChildren().forPath(path);
} catch (KeeperException.NoNodeException ignored) {
// Concurrent deletion, retry
}
}
}
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apache/flink | flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBStateDownloader.java | RocksDBStateDownloader.downloadDataForStateHandle | private void downloadDataForStateHandle(
Path restoreFilePath,
StreamStateHandle remoteFileHandle,
CloseableRegistry closeableRegistry) throws IOException {
FSDataInputStream inputStream = null;
FSDataOutputStream outputStream = null;
try {
FileSystem restoreFileSystem = restoreFilePath.getFileSystem();
inputStream = remoteFileHandle.openInputStream();
closeableRegistry.registerCloseable(inputStream);
outputStream = restoreFileSystem.create(restoreFilePath, FileSystem.WriteMode.OVERWRITE);
closeableRegistry.registerCloseable(outputStream);
byte[] buffer = new byte[8 * 1024];
while (true) {
int numBytes = inputStream.read(buffer);
if (numBytes == -1) {
break;
}
outputStream.write(buffer, 0, numBytes);
}
} finally {
if (closeableRegistry.unregisterCloseable(inputStream)) {
inputStream.close();
}
if (closeableRegistry.unregisterCloseable(outputStream)) {
outputStream.close();
}
}
} | java | private void downloadDataForStateHandle(
Path restoreFilePath,
StreamStateHandle remoteFileHandle,
CloseableRegistry closeableRegistry) throws IOException {
FSDataInputStream inputStream = null;
FSDataOutputStream outputStream = null;
try {
FileSystem restoreFileSystem = restoreFilePath.getFileSystem();
inputStream = remoteFileHandle.openInputStream();
closeableRegistry.registerCloseable(inputStream);
outputStream = restoreFileSystem.create(restoreFilePath, FileSystem.WriteMode.OVERWRITE);
closeableRegistry.registerCloseable(outputStream);
byte[] buffer = new byte[8 * 1024];
while (true) {
int numBytes = inputStream.read(buffer);
if (numBytes == -1) {
break;
}
outputStream.write(buffer, 0, numBytes);
}
} finally {
if (closeableRegistry.unregisterCloseable(inputStream)) {
inputStream.close();
}
if (closeableRegistry.unregisterCloseable(outputStream)) {
outputStream.close();
}
}
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apache/flink | flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/legacy/backpressure/StackTraceSampleCoordinator.java | StackTraceSampleCoordinator.shutDown | public void shutDown() {
synchronized (lock) {
if (!isShutDown) {
LOG.info("Shutting down stack trace sample coordinator.");
for (PendingStackTraceSample pending : pendingSamples.values()) {
pending.discard(new RuntimeException("Shut down"));
}
pendingSamples.clear();
isShutDown = true;
}
}
} | java | public void shutDown() {
synchronized (lock) {
if (!isShutDown) {
LOG.info("Shutting down stack trace sample coordinator.");
for (PendingStackTraceSample pending : pendingSamples.values()) {
pending.discard(new RuntimeException("Shut down"));
}
pendingSamples.clear();
isShutDown = true;
}
}
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apache/flink | flink-core/src/main/java/org/apache/flink/types/Either.java | Either.obtainLeft | @Internal
public static <L, R> Left<L, R> obtainLeft(Either<L, R> input, TypeSerializer<L> leftSerializer) {
if (input.isLeft()) {
return (Left<L, R>) input;
} else {
Right<L, R> right = (Right<L, R>) input;
if (right.left == null) {
right.left = Left.of(leftSerializer.createInstance());
right.left.right = right;
}
return right.left;
}
} | java | @Internal
public static <L, R> Left<L, R> obtainLeft(Either<L, R> input, TypeSerializer<L> leftSerializer) {
if (input.isLeft()) {
return (Left<L, R>) input;
} else {
Right<L, R> right = (Right<L, R>) input;
if (right.left == null) {
right.left = Left.of(leftSerializer.createInstance());
right.left.right = right;
}
return right.left;
}
} | [
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To support object reuse both subclasses of Either contain a reference to
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@param input container for Left or Right value
@param leftSerializer for creating an instance of the left type
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