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looly/hutool | hutool-core/src/main/java/cn/hutool/core/lang/Assert.java | Assert.notEmpty | public static <T> Collection<T> notEmpty(Collection<T> collection, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
if (CollectionUtil.isEmpty(collection)) {
throw new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params));
}
return collection;
} | java | public static <T> Collection<T> notEmpty(Collection<T> collection, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
if (CollectionUtil.isEmpty(collection)) {
throw new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params));
}
return collection;
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netty/netty | transport/src/main/java/io/netty/channel/pool/SimpleChannelPool.java | SimpleChannelPool.acquireHealthyFromPoolOrNew | private Future<Channel> acquireHealthyFromPoolOrNew(final Promise<Channel> promise) {
try {
final Channel ch = pollChannel();
if (ch == null) {
// No Channel left in the pool bootstrap a new Channel
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public void run() {
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}
});
}
} catch (Throwable cause) {
promise.tryFailure(cause);
}
return promise;
} | java | private Future<Channel> acquireHealthyFromPoolOrNew(final Promise<Channel> promise) {
try {
final Channel ch = pollChannel();
if (ch == null) {
// No Channel left in the pool bootstrap a new Channel
Bootstrap bs = bootstrap.clone();
bs.attr(POOL_KEY, this);
ChannelFuture f = connectChannel(bs);
if (f.isDone()) {
notifyConnect(f, promise);
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f.addListener(new ChannelFutureListener() {
@Override
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notifyConnect(future, promise);
}
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}
return promise;
}
EventLoop loop = ch.eventLoop();
if (loop.inEventLoop()) {
doHealthCheck(ch, promise);
} else {
loop.execute(new Runnable() {
@Override
public void run() {
doHealthCheck(ch, promise);
}
});
}
} catch (Throwable cause) {
promise.tryFailure(cause);
}
return promise;
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spring-projects/spring-boot | spring-boot-project/spring-boot/src/main/java/org/springframework/boot/webservices/client/WebServiceTemplateBuilder.java | WebServiceTemplateBuilder.setDefaultUri | public WebServiceTemplateBuilder setDefaultUri(String defaultUri) {
Assert.hasText(defaultUri, "DefaultUri must not be empty");
return setDestinationProvider(() -> URI.create(defaultUri));
} | java | public WebServiceTemplateBuilder setDefaultUri(String defaultUri) {
Assert.hasText(defaultUri, "DefaultUri must not be empty");
return setDestinationProvider(() -> URI.create(defaultUri));
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spring-projects/spring-boot | spring-boot-project/spring-boot/src/main/java/org/springframework/boot/jta/bitronix/PoolingConnectionFactoryBean.java | PoolingConnectionFactoryBean.setConnectionFactory | public void setConnectionFactory(XAConnectionFactory connectionFactory) {
this.connectionFactory = connectionFactory;
setClassName(DirectXAConnectionFactory.class.getName());
setDriverProperties(new Properties());
} | java | public void setConnectionFactory(XAConnectionFactory connectionFactory) {
this.connectionFactory = connectionFactory;
setClassName(DirectXAConnectionFactory.class.getName());
setDriverProperties(new Properties());
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spring-projects/spring-boot | spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/LaunchedURLClassLoader.java | LaunchedURLClassLoader.clearCache | public void clearCache() {
for (URL url : getURLs()) {
try {
URLConnection connection = url.openConnection();
if (connection instanceof JarURLConnection) {
clearCache(connection);
}
}
catch (IOException ex) {
// Ignore
}
}
} | java | public void clearCache() {
for (URL url : getURLs()) {
try {
URLConnection connection = url.openConnection();
if (connection instanceof JarURLConnection) {
clearCache(connection);
}
}
catch (IOException ex) {
// Ignore
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apache/flink | flink-core/src/main/java/org/apache/flink/util/NetUtils.java | NetUtils.createSocketFromPorts | public static ServerSocket createSocketFromPorts(Iterator<Integer> portsIterator, SocketFactory factory) {
while (portsIterator.hasNext()) {
int port = portsIterator.next();
LOG.debug("Trying to open socket on port {}", port);
try {
return factory.createSocket(port);
} catch (IOException | IllegalArgumentException e) {
if (LOG.isDebugEnabled()) {
LOG.debug("Unable to allocate socket on port", e);
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LOG.info("Unable to allocate on port {}, due to error: {}", port, e.getMessage());
}
}
}
return null;
} | java | public static ServerSocket createSocketFromPorts(Iterator<Integer> portsIterator, SocketFactory factory) {
while (portsIterator.hasNext()) {
int port = portsIterator.next();
LOG.debug("Trying to open socket on port {}", port);
try {
return factory.createSocket(port);
} catch (IOException | IllegalArgumentException e) {
if (LOG.isDebugEnabled()) {
LOG.debug("Unable to allocate socket on port", e);
} else {
LOG.info("Unable to allocate on port {}, due to error: {}", port, e.getMessage());
}
}
}
return null;
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apache/spark | common/network-common/src/main/java/org/apache/spark/network/util/NettyUtils.java | NettyUtils.getSharedPooledByteBufAllocator | public static synchronized PooledByteBufAllocator getSharedPooledByteBufAllocator(
boolean allowDirectBufs,
boolean allowCache) {
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networknt/light-4j | utility/src/main/java/com/networknt/utility/StringUtils.java | StringUtils.containsIgnoreCase | public static boolean containsIgnoreCase(final CharSequence str, final CharSequence searchStr) {
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return false;
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/util/ArrayUtil.java | ArrayUtil.hasNull | @SuppressWarnings("unchecked")
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return true;
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}
return false;
} | java | @SuppressWarnings("unchecked")
public static <T> boolean hasNull(T... array) {
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apache/flink | flink-core/src/main/java/org/apache/flink/types/Record.java | Record.setNull | public void setNull(long[] mask) {
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for (int maskPos = 0, i = 0; i < this.numFields;) {
long currMask = mask[maskPos];
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internallySetField(i, null);
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redisson/redisson | redisson/src/main/java/org/redisson/config/Config.java | Config.fromYAML | public static Config fromYAML(String content) throws IOException {
ConfigSupport support = new ConfigSupport();
return support.fromYAML(content, Config.class);
} | java | public static Config fromYAML(String content) throws IOException {
ConfigSupport support = new ConfigSupport();
return support.fromYAML(content, Config.class);
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looly/hutool | hutool-extra/src/main/java/cn/hutool/extra/qrcode/QrCodeUtil.java | QrCodeUtil.generate | public static BufferedImage generate(String content, int width, int height) {
return generate(content, new QrConfig(width, height));
} | java | public static BufferedImage generate(String content, int width, int height) {
return generate(content, new QrConfig(width, height));
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@param content 文本内容
@param width 宽度
@param height 高度
@return 二维码图片（黑白） | [
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looly/hutool | hutool-setting/src/main/java/cn/hutool/setting/Setting.java | Setting.set | public Setting set(String group, String key, String value) {
this.put(group, key, value);
return this;
} | java | public Setting set(String group, String key, String value) {
this.put(group, key, value);
return this;
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netty/netty | transport/src/main/java/io/netty/bootstrap/AbstractBootstrap.java | AbstractBootstrap.bind | public ChannelFuture bind(SocketAddress localAddress) {
validate();
if (localAddress == null) {
throw new NullPointerException("localAddress");
}
return doBind(localAddress);
} | java | public ChannelFuture bind(SocketAddress localAddress) {
validate();
if (localAddress == null) {
throw new NullPointerException("localAddress");
}
return doBind(localAddress);
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networknt/light-4j | email-sender/src/main/java/com/networknt/email/EmailSender.java | EmailSender.sendMailWithAttachment | public void sendMailWithAttachment (String to, String subject, String content, String filename) throws MessagingException{
Properties props = new Properties();
props.put("mail.smtp.user", emailConfg.getUser());
props.put("mail.smtp.host", emailConfg.getHost());
props.put("mail.smtp.port", emailConfg.getPort());
props.put("mail.smtp.starttls.enable","true");
props.put("mail.smtp.debug", emailConfg.getDebug());
props.put("mail.smtp.auth", emailConfg.getAuth());
props.put("mail.smtp.ssl.trust", emailConfg.host);
SMTPAuthenticator auth = new SMTPAuthenticator(emailConfg.getUser(), (String)secret.get(SecretConstants.EMAIL_PASSWORD));
Session session = Session.getInstance(props, auth);
MimeMessage message = new MimeMessage(session);
message.setFrom(new InternetAddress(emailConfg.getUser()));
message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
message.setSubject(subject);
// Create the message part
BodyPart messageBodyPart = new MimeBodyPart();
// Now set the actual message
messageBodyPart.setText(content);
// Create a multipar message
Multipart multipart = new MimeMultipart();
// Set text message part
multipart.addBodyPart(messageBodyPart);
// Part two is attachment
messageBodyPart = new MimeBodyPart();
DataSource source = new FileDataSource(filename);
messageBodyPart.setDataHandler(new DataHandler(source));
messageBodyPart.setFileName(filename);
multipart.addBodyPart(messageBodyPart);
// Send the complete message parts
message.setContent(multipart);
// Send message
Transport.send(message);
if(logger.isInfoEnabled()) logger.info("An email has been sent to " + to + " with subject " + subject);
} | java | public void sendMailWithAttachment (String to, String subject, String content, String filename) throws MessagingException{
Properties props = new Properties();
props.put("mail.smtp.user", emailConfg.getUser());
props.put("mail.smtp.host", emailConfg.getHost());
props.put("mail.smtp.port", emailConfg.getPort());
props.put("mail.smtp.starttls.enable","true");
props.put("mail.smtp.debug", emailConfg.getDebug());
props.put("mail.smtp.auth", emailConfg.getAuth());
props.put("mail.smtp.ssl.trust", emailConfg.host);
SMTPAuthenticator auth = new SMTPAuthenticator(emailConfg.getUser(), (String)secret.get(SecretConstants.EMAIL_PASSWORD));
Session session = Session.getInstance(props, auth);
MimeMessage message = new MimeMessage(session);
message.setFrom(new InternetAddress(emailConfg.getUser()));
message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
message.setSubject(subject);
// Create the message part
BodyPart messageBodyPart = new MimeBodyPart();
// Now set the actual message
messageBodyPart.setText(content);
// Create a multipar message
Multipart multipart = new MimeMultipart();
// Set text message part
multipart.addBodyPart(messageBodyPart);
// Part two is attachment
messageBodyPart = new MimeBodyPart();
DataSource source = new FileDataSource(filename);
messageBodyPart.setDataHandler(new DataHandler(source));
messageBodyPart.setFileName(filename);
multipart.addBodyPart(messageBodyPart);
// Send the complete message parts
message.setContent(multipart);
// Send message
Transport.send(message);
if(logger.isInfoEnabled()) logger.info("An email has been sent to " + to + " with subject " + subject);
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apache/flink | flink-runtime/src/main/java/org/apache/flink/runtime/jobmaster/slotpool/SlotPoolImpl.java | SlotPoolImpl.releaseSlot | @Override
public void releaseSlot(@Nonnull SlotRequestId slotRequestId, @Nullable Throwable cause) {
componentMainThreadExecutor.assertRunningInMainThread();
log.debug("Releasing slot [{}] because: {}", slotRequestId, cause != null ? cause.getMessage() : "null");
releaseSingleSlot(slotRequestId, cause);
} | java | @Override
public void releaseSlot(@Nonnull SlotRequestId slotRequestId, @Nullable Throwable cause) {
componentMainThreadExecutor.assertRunningInMainThread();
log.debug("Releasing slot [{}] because: {}", slotRequestId, cause != null ? cause.getMessage() : "null");
releaseSingleSlot(slotRequestId, cause);
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apache/flink | flink-optimizer/src/main/java/org/apache/flink/optimizer/dataproperties/RequestedLocalProperties.java | RequestedLocalProperties.isMetBy | public boolean isMetBy(LocalProperties other) {
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if (this.ordering != null) {
// we demand an ordering
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} else if (this.groupedFields != null) {
// check if the other fields are unique
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networknt/light-4j | utility/src/main/java/com/networknt/utility/RegExUtils.java | RegExUtils.removeFirst | public static String removeFirst(final String text, final Pattern regex) {
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spring-projects/spring-boot | spring-boot-project/spring-boot/src/main/java/org/springframework/boot/convert/ApplicationConversionService.java | ApplicationConversionService.addApplicationConverters | public static void addApplicationConverters(ConverterRegistry registry) {
addDelimitedStringConverters(registry);
registry.addConverter(new StringToDurationConverter());
registry.addConverter(new DurationToStringConverter());
registry.addConverter(new NumberToDurationConverter());
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addDelimitedStringConverters(registry);
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apache/flink | flink-libraries/flink-gelly/src/main/java/org/apache/flink/graph/types/valuearray/CharValueArray.java | CharValueArray.compareTo | @Override
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return Integer.compare(position, other.position);
} | java | @Override
public int compareTo(ValueArray<CharValue> o) {
CharValueArray other = (CharValueArray) o;
int min = Math.min(position, other.position);
for (int i = 0; i < min; i++) {
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spring-projects/spring-boot | spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/json-shade/java/org/springframework/boot/configurationprocessor/json/JSONObject.java | JSONObject.numberToString | public static String numberToString(Number number) throws JSONException {
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hankcs/HanLP | src/main/java/com/hankcs/hanlp/corpus/dependency/CoNll/CoNLLSentence.java | CoNLLSentence.findChildren | public List<CoNLLWord> findChildren(CoNLLWord word, String relation)
{
List<CoNLLWord> result = new LinkedList<CoNLLWord>();
for (CoNLLWord other : this)
{
if (other.HEAD == word && other.DEPREL.equals(relation))
result.add(other);
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return result;
} | java | public List<CoNLLWord> findChildren(CoNLLWord word, String relation)
{
List<CoNLLWord> result = new LinkedList<CoNLLWord>();
for (CoNLLWord other : this)
{
if (other.HEAD == word && other.DEPREL.equals(relation))
result.add(other);
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return result;
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/io/watch/WatchMonitor.java | WatchMonitor.createAll | public static WatchMonitor createAll(String path, Watcher watcher){
return createAll(Paths.get(path), watcher);
} | java | public static WatchMonitor createAll(String path, Watcher watcher){
return createAll(Paths.get(path), watcher);
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networknt/light-4j | utility/src/main/java/com/networknt/utility/RegExUtils.java | RegExUtils.replaceAll | public static String replaceAll(final String text, final Pattern regex, final String replacement) {
if (text == null || regex == null || replacement == null) {
return text;
}
return regex.matcher(text).replaceAll(replacement);
} | java | public static String replaceAll(final String text, final Pattern regex, final String replacement) {
if (text == null || regex == null || replacement == null) {
return text;
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StringUtils.replaceAll("ABCabc123", Pattern.compile("[a-z]"), "_") = "ABC___123"
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StringUtils.replaceAll("ABCabc123", Pattern.compile("[^A-Z0-9]+"), "") = "ABC123"
StringUtils.replaceAll("Lorem ipsum dolor sit", Pattern.compile("( +)([a-z]+)"), "_$2") = "Lorem_ipsum_dolor_sit"
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@param text text to search and replace in, may be null
@param regex the regular expression pattern to which this string is to be matched
@param replacement the string to be substituted for each match
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@see java.util.regex.Matcher#replaceAll(String)
@see java.util.regex.Pattern | [
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apache/spark | common/network-yarn/src/main/java/org/apache/spark/network/yarn/YarnShuffleService.java | YarnShuffleService.serviceStop | @Override
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shuffleServer.close();
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transportContext.close();
}
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logger.error("Exception when stopping service", e);
}
} | java | @Override
protected void serviceStop() {
try {
if (shuffleServer != null) {
shuffleServer.close();
}
if (transportContext != null) {
transportContext.close();
}
if (blockHandler != null) {
blockHandler.close();
}
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db.close();
}
} catch (Exception e) {
logger.error("Exception when stopping service", e);
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netty/netty | buffer/src/main/java/io/netty/buffer/Unpooled.java | Unpooled.copiedBuffer | public static ByteBuf copiedBuffer(ByteBuffer... buffers) {
switch (buffers.length) {
case 0:
return EMPTY_BUFFER;
case 1:
return copiedBuffer(buffers[0]);
}
// Merge the specified buffers into one buffer.
ByteOrder order = null;
int length = 0;
for (ByteBuffer b: buffers) {
int bLen = b.remaining();
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continue;
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if (Integer.MAX_VALUE - length < bLen) {
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order = b.order();
}
}
if (length == 0) {
return EMPTY_BUFFER;
}
byte[] mergedArray = PlatformDependent.allocateUninitializedArray(length);
for (int i = 0, j = 0; i < buffers.length; i ++) {
// Duplicate the buffer so we not adjust the position during our get operation.
// See https://github.com/netty/netty/issues/3896
ByteBuffer b = buffers[i].duplicate();
int bLen = b.remaining();
b.get(mergedArray, j, bLen);
j += bLen;
}
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} | java | public static ByteBuf copiedBuffer(ByteBuffer... buffers) {
switch (buffers.length) {
case 0:
return EMPTY_BUFFER;
case 1:
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}
// Merge the specified buffers into one buffer.
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for (ByteBuffer b: buffers) {
int bLen = b.remaining();
if (bLen <= 0) {
continue;
}
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apache/incubator-shardingsphere | sharding-core/sharding-core-common/src/main/java/org/apache/shardingsphere/core/strategy/encrypt/ShardingEncryptorEngine.java | ShardingEncryptorEngine.getAssistedQueryColumn | public Optional<String> getAssistedQueryColumn(final String logicTableName, final String columnName) {
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netty/netty | transport/src/main/java/io/netty/bootstrap/ServerBootstrap.java | ServerBootstrap.childAttr | public <T> ServerBootstrap childAttr(AttributeKey<T> childKey, T value) {
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apache/flink | flink-clients/src/main/java/org/apache/flink/client/program/PackagedProgram.java | PackagedProgram.createPlanFromProgram | private static Plan createPlanFromProgram(Program program, String[] options) throws ProgramInvocationException {
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apache/flink | flink-java/src/main/java/org/apache/flink/api/java/ExecutionEnvironment.java | ExecutionEnvironment.readTextFile | public DataSource<String> readTextFile(String filePath) {
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alibaba/canal | store/src/main/java/com/alibaba/otter/canal/store/AbstractCanalStoreScavenge.java | AbstractCanalStoreScavenge.min | private LogPosition min(LogPosition position1, LogPosition position2) {
if (position1.getIdentity().equals(position2.getIdentity())) {
// 首先根据文件进行比较
if (position1.getPostion().getJournalName().compareTo(position2.getPostion().getJournalName()) < 0) {
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// 根据offest进行比较
if (position1.getPostion().getPosition() < position2.getPostion().getPosition()) {
return position2;
} else {
return position1;
}
}
} else {
// 不同的主备库，根据时间进行比较
if (position1.getPostion().getTimestamp() < position2.getPostion().getTimestamp()) {
return position2;
} else {
return position1;
}
}
} | java | private LogPosition min(LogPosition position1, LogPosition position2) {
if (position1.getIdentity().equals(position2.getIdentity())) {
// 首先根据文件进行比较
if (position1.getPostion().getJournalName().compareTo(position2.getPostion().getJournalName()) < 0) {
return position2;
} else if (position1.getPostion().getJournalName().compareTo(position2.getPostion().getJournalName()) > 0) {
return position1;
} else {
// 根据offest进行比较
if (position1.getPostion().getPosition() < position2.getPostion().getPosition()) {
return position2;
} else {
return position1;
}
}
} else {
// 不同的主备库，根据时间进行比较
if (position1.getPostion().getTimestamp() < position2.getPostion().getTimestamp()) {
return position2;
} else {
return position1;
}
}
} | [
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... | 找出一个最小的position位置 | [
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] | 8f088cddc0755f4350c5aaae95c6e4002d90a40f | https://github.com/alibaba/canal/blob/8f088cddc0755f4350c5aaae95c6e4002d90a40f/store/src/main/java/com/alibaba/otter/canal/store/AbstractCanalStoreScavenge.java#L63-L86 | train | Returns the min of two log positions. | [
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hankcs/HanLP | src/main/java/com/hankcs/hanlp/utility/TextUtility.java | TextUtility.isAllChineseNum | public static boolean isAllChineseNum(String word)
{// 百分之五点六的人早上八点十八分起床
String chineseNum = "零○一二两三四五六七八九十廿百千万亿壹贰叁肆伍陆柒捌玖拾佰仟∶·．／点";//
String prefix = "几数上第";
String surfix = "几多余来成倍";
boolean round = false;
if (word == null)
return false;
char[] temp = word.toCharArray();
for (int i = 0; i < temp.length; i++)
{
if (word.startsWith("分之", i))// 百分之五
{
i += 1;
continue;
}
char tchar = temp[i];
if (i == 0 && prefix.indexOf(tchar) != -1)
{
round = true;
}
else if (i == temp.length-1 && !round && surfix.indexOf(tchar) != -1)
{
round = true;
}
else if (chineseNum.indexOf(tchar) == -1)
return false;
}
return true;
} | java | public static boolean isAllChineseNum(String word)
{// 百分之五点六的人早上八点十八分起床
String chineseNum = "零○一二两三四五六七八九十廿百千万亿壹贰叁肆伍陆柒捌玖拾佰仟∶·．／点";//
String prefix = "几数上第";
String surfix = "几多余来成倍";
boolean round = false;
if (word == null)
return false;
char[] temp = word.toCharArray();
for (int i = 0; i < temp.length; i++)
{
if (word.startsWith("分之", i))// 百分之五
{
i += 1;
continue;
}
char tchar = temp[i];
if (i == 0 && prefix.indexOf(tchar) != -1)
{
round = true;
}
else if (i == temp.length-1 && !round && surfix.indexOf(tchar) != -1)
{
round = true;
}
else if (chineseNum.indexOf(tchar) == -1)
return false;
}
return true;
} | [
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@param word
@return | [
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] | a538d0722ab2e4980a9dcd9ea40324fc3ddba7ce | https://github.com/hankcs/HanLP/blob/a538d0722ab2e4980a9dcd9ea40324fc3ddba7ce/src/main/java/com/hankcs/hanlp/utility/TextUtility.java#L300-L332 | train | isAllChineseNum returns true if the word is all chinese numbers | [
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/map/MapUtil.java | MapUtil.toMapList | public static <K, V> List<Map<K, V>> toMapList(Map<K, ? extends Iterable<V>> listMap) {
final List<Map<K, V>> resultList = new ArrayList<>();
if (isEmpty(listMap)) {
return resultList;
}
boolean isEnd = true;// 是否结束。标准是元素列表已耗尽
int index = 0;// 值索引
Map<K, V> map;
do {
isEnd = true;
map = new HashMap<>();
List<V> vList;
int vListSize;
for (Entry<K, ? extends Iterable<V>> entry : listMap.entrySet()) {
vList = CollectionUtil.newArrayList(entry.getValue());
vListSize = vList.size();
if (index < vListSize) {
map.put(entry.getKey(), vList.get(index));
if (index != vListSize - 1) {
// 当值列表中还有更多值（非最后一个），继续循环
isEnd = false;
}
}
}
if (false == map.isEmpty()) {
resultList.add(map);
}
index++;
} while (false == isEnd);
return resultList;
} | java | public static <K, V> List<Map<K, V>> toMapList(Map<K, ? extends Iterable<V>> listMap) {
final List<Map<K, V>> resultList = new ArrayList<>();
if (isEmpty(listMap)) {
return resultList;
}
boolean isEnd = true;// 是否结束。标准是元素列表已耗尽
int index = 0;// 值索引
Map<K, V> map;
do {
isEnd = true;
map = new HashMap<>();
List<V> vList;
int vListSize;
for (Entry<K, ? extends Iterable<V>> entry : listMap.entrySet()) {
vList = CollectionUtil.newArrayList(entry.getValue());
vListSize = vList.size();
if (index < vListSize) {
map.put(entry.getKey(), vList.get(index));
if (index != vListSize - 1) {
// 当值列表中还有更多值（非最后一个），继续循环
isEnd = false;
}
}
}
if (false == map.isEmpty()) {
resultList.add(map);
}
index++;
} while (false == isEnd);
return resultList;
} | [
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"K",... | 列转行。将Map中值列表分别按照其位置与key组成新的map。<br>
是{@link #toListMap(Iterable)}的逆方法<br>
比如传入数据：
<pre>
{
a: [1,2,3,4]
b: [1,2,3,]
c: [1]
}
</pre>
结果是：
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[
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{a: 2, b: 2}
{a: 3, b: 3}
{a: 4}
]
</pre>
@param <K> 键类型
@param <V> 值类型
@param listMap 列表Map
@return Map列表 | [
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apache/flink | flink-java/src/main/java/org/apache/flink/api/java/ExecutionEnvironment.java | ExecutionEnvironment.createProgramPlan | @Internal
public Plan createProgramPlan(String jobName, boolean clearSinks) {
if (this.sinks.isEmpty()) {
if (wasExecuted) {
throw new RuntimeException("No new data sinks have been defined since the " +
"last execution. The last execution refers to the latest call to " +
"'execute()', 'count()', 'collect()', or 'print()'.");
} else {
throw new RuntimeException("No data sinks have been created yet. " +
"A program needs at least one sink that consumes data. " +
"Examples are writing the data set or printing it.");
}
}
if (jobName == null) {
jobName = getDefaultName();
}
OperatorTranslation translator = new OperatorTranslation();
Plan plan = translator.translateToPlan(this.sinks, jobName);
if (getParallelism() > 0) {
plan.setDefaultParallelism(getParallelism());
}
plan.setExecutionConfig(getConfig());
// Check plan for GenericTypeInfo's and register the types at the serializers.
if (!config.isAutoTypeRegistrationDisabled()) {
plan.accept(new Visitor<org.apache.flink.api.common.operators.Operator<?>>() {
private final Set<Class<?>> registeredTypes = new HashSet<>();
private final Set<org.apache.flink.api.common.operators.Operator<?>> visitedOperators = new HashSet<>();
@Override
public boolean preVisit(org.apache.flink.api.common.operators.Operator<?> visitable) {
if (!visitedOperators.add(visitable)) {
return false;
}
OperatorInformation<?> opInfo = visitable.getOperatorInfo();
Serializers.recursivelyRegisterType(opInfo.getOutputType(), config, registeredTypes);
return true;
}
@Override
public void postVisit(org.apache.flink.api.common.operators.Operator<?> visitable) {}
});
}
try {
registerCachedFilesWithPlan(plan);
} catch (Exception e) {
throw new RuntimeException("Error while registering cached files: " + e.getMessage(), e);
}
// clear all the sinks such that the next execution does not redo everything
if (clearSinks) {
this.sinks.clear();
wasExecuted = true;
}
// All types are registered now. Print information.
int registeredTypes = config.getRegisteredKryoTypes().size() +
config.getRegisteredPojoTypes().size() +
config.getRegisteredTypesWithKryoSerializerClasses().size() +
config.getRegisteredTypesWithKryoSerializers().size();
int defaultKryoSerializers = config.getDefaultKryoSerializers().size() +
config.getDefaultKryoSerializerClasses().size();
LOG.info("The job has {} registered types and {} default Kryo serializers", registeredTypes, defaultKryoSerializers);
if (config.isForceKryoEnabled() && config.isForceAvroEnabled()) {
LOG.warn("In the ExecutionConfig, both Avro and Kryo are enforced. Using Kryo serializer");
}
if (config.isForceKryoEnabled()) {
LOG.info("Using KryoSerializer for serializing POJOs");
}
if (config.isForceAvroEnabled()) {
LOG.info("Using AvroSerializer for serializing POJOs");
}
if (LOG.isDebugEnabled()) {
LOG.debug("Registered Kryo types: {}", config.getRegisteredKryoTypes().toString());
LOG.debug("Registered Kryo with Serializers types: {}", config.getRegisteredTypesWithKryoSerializers().entrySet().toString());
LOG.debug("Registered Kryo with Serializer Classes types: {}", config.getRegisteredTypesWithKryoSerializerClasses().entrySet().toString());
LOG.debug("Registered Kryo default Serializers: {}", config.getDefaultKryoSerializers().entrySet().toString());
LOG.debug("Registered Kryo default Serializers Classes {}", config.getDefaultKryoSerializerClasses().entrySet().toString());
LOG.debug("Registered POJO types: {}", config.getRegisteredPojoTypes().toString());
// print information about static code analysis
LOG.debug("Static code analysis mode: {}", config.getCodeAnalysisMode());
}
return plan;
} | java | @Internal
public Plan createProgramPlan(String jobName, boolean clearSinks) {
if (this.sinks.isEmpty()) {
if (wasExecuted) {
throw new RuntimeException("No new data sinks have been defined since the " +
"last execution. The last execution refers to the latest call to " +
"'execute()', 'count()', 'collect()', or 'print()'.");
} else {
throw new RuntimeException("No data sinks have been created yet. " +
"A program needs at least one sink that consumes data. " +
"Examples are writing the data set or printing it.");
}
}
if (jobName == null) {
jobName = getDefaultName();
}
OperatorTranslation translator = new OperatorTranslation();
Plan plan = translator.translateToPlan(this.sinks, jobName);
if (getParallelism() > 0) {
plan.setDefaultParallelism(getParallelism());
}
plan.setExecutionConfig(getConfig());
// Check plan for GenericTypeInfo's and register the types at the serializers.
if (!config.isAutoTypeRegistrationDisabled()) {
plan.accept(new Visitor<org.apache.flink.api.common.operators.Operator<?>>() {
private final Set<Class<?>> registeredTypes = new HashSet<>();
private final Set<org.apache.flink.api.common.operators.Operator<?>> visitedOperators = new HashSet<>();
@Override
public boolean preVisit(org.apache.flink.api.common.operators.Operator<?> visitable) {
if (!visitedOperators.add(visitable)) {
return false;
}
OperatorInformation<?> opInfo = visitable.getOperatorInfo();
Serializers.recursivelyRegisterType(opInfo.getOutputType(), config, registeredTypes);
return true;
}
@Override
public void postVisit(org.apache.flink.api.common.operators.Operator<?> visitable) {}
});
}
try {
registerCachedFilesWithPlan(plan);
} catch (Exception e) {
throw new RuntimeException("Error while registering cached files: " + e.getMessage(), e);
}
// clear all the sinks such that the next execution does not redo everything
if (clearSinks) {
this.sinks.clear();
wasExecuted = true;
}
// All types are registered now. Print information.
int registeredTypes = config.getRegisteredKryoTypes().size() +
config.getRegisteredPojoTypes().size() +
config.getRegisteredTypesWithKryoSerializerClasses().size() +
config.getRegisteredTypesWithKryoSerializers().size();
int defaultKryoSerializers = config.getDefaultKryoSerializers().size() +
config.getDefaultKryoSerializerClasses().size();
LOG.info("The job has {} registered types and {} default Kryo serializers", registeredTypes, defaultKryoSerializers);
if (config.isForceKryoEnabled() && config.isForceAvroEnabled()) {
LOG.warn("In the ExecutionConfig, both Avro and Kryo are enforced. Using Kryo serializer");
}
if (config.isForceKryoEnabled()) {
LOG.info("Using KryoSerializer for serializing POJOs");
}
if (config.isForceAvroEnabled()) {
LOG.info("Using AvroSerializer for serializing POJOs");
}
if (LOG.isDebugEnabled()) {
LOG.debug("Registered Kryo types: {}", config.getRegisteredKryoTypes().toString());
LOG.debug("Registered Kryo with Serializers types: {}", config.getRegisteredTypesWithKryoSerializers().entrySet().toString());
LOG.debug("Registered Kryo with Serializer Classes types: {}", config.getRegisteredTypesWithKryoSerializerClasses().entrySet().toString());
LOG.debug("Registered Kryo default Serializers: {}", config.getDefaultKryoSerializers().entrySet().toString());
LOG.debug("Registered Kryo default Serializers Classes {}", config.getDefaultKryoSerializerClasses().entrySet().toString());
LOG.debug("Registered POJO types: {}", config.getRegisteredPojoTypes().toString());
// print information about static code analysis
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currentNumAcknowledgedSubtasks++;
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hankcs/HanLP | src/main/java/com/hankcs/hanlp/seg/Segment.java | Segment.removeFromWordNet | private static void removeFromWordNet(Vertex cur, WordNet wordNetAll, int line, int length)
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LinkedList<Vertex>[] vertexes = wordNetAll.getVertexes();
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netty/netty | buffer/src/main/java/io/netty/buffer/Unpooled.java | Unpooled.wrappedBuffer | public static ByteBuf wrappedBuffer(ByteBuf buffer) {
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netty/netty | codec/src/main/java/io/netty/handler/codec/compression/Bzip2BitWriter.java | Bzip2BitWriter.writeBits | void writeBits(ByteBuf out, final int count, final long value) {
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hankcs/HanLP | src/main/java/com/hankcs/hanlp/tokenizer/TraditionalChineseTokenizer.java | TraditionalChineseTokenizer.seg2sentence | public static List<List<Term>> seg2sentence(String text)
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netty/netty | codec-http2/src/main/java/io/netty/handler/codec/http2/HpackEncoder.java | HpackEncoder.add | private void add(CharSequence name, CharSequence value, long headerSize) {
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// Clear the table if the header field size is larger than the maxHeaderTableSize.
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clear();
return;
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apache/flink | flink-connectors/flink-connector-kinesis/src/main/java/org/apache/flink/streaming/connectors/kinesis/util/KinesisConfigUtil.java | KinesisConfigUtil.replaceDeprecatedProducerKeys | public static Properties replaceDeprecatedProducerKeys(Properties configProps) {
// Replace deprecated key
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configProps.setProperty(COLLECTION_MAX_COUNT,
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configProps.remove(ProducerConfigConstants.AGGREGATION_MAX_COUNT);
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return configProps;
} | java | public static Properties replaceDeprecatedProducerKeys(Properties configProps) {
// Replace deprecated key
if (configProps.containsKey(ProducerConfigConstants.COLLECTION_MAX_COUNT)) {
configProps.setProperty(COLLECTION_MAX_COUNT,
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apache/flink | flink-examples/flink-examples-streaming/src/main/java/org/apache/flink/streaming/examples/statemachine/kafka/KafkaStandaloneGenerator.java | KafkaStandaloneGenerator.main | public static void main(String[] args) throws Exception {
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} | java | public static void main(String[] args) throws Exception {
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netty/netty | common/src/main/java/io/netty/util/internal/SystemPropertyUtil.java | SystemPropertyUtil.getInt | public static int getInt(String key, int def) {
String value = get(key);
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spring-projects/spring-boot | spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/servlet/error/BasicErrorController.java | BasicErrorController.isIncludeStackTrace | protected boolean isIncludeStackTrace(HttpServletRequest request,
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return false;
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return true;
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/util/HashUtil.java | HashUtil.bernstein | public static int bernstein(String key) {
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int hash = 0;
int i;
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netty/netty | codec-redis/src/main/java/io/netty/handler/codec/redis/RedisEncoder.java | RedisEncoder.writeArrayMessage | private void writeArrayMessage(ByteBufAllocator allocator, ArrayRedisMessage msg, List<Object> out) {
if (msg.isNull()) {
writeArrayHeader(allocator, msg.isNull(), RedisConstants.NULL_VALUE, out);
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} | java | private void writeArrayMessage(ByteBufAllocator allocator, ArrayRedisMessage msg, List<Object> out) {
if (msg.isNull()) {
writeArrayHeader(allocator, msg.isNull(), RedisConstants.NULL_VALUE, out);
} else {
writeArrayHeader(allocator, msg.isNull(), msg.children().size(), out);
for (RedisMessage child : msg.children()) {
writeRedisMessage(allocator, child, out);
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SeleniumHQ/selenium | java/client/src/org/openqa/selenium/support/ui/ExpectedConditions.java | ExpectedConditions.and | public static ExpectedCondition<Boolean> and(final ExpectedCondition<?>... conditions) {
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};
} | java | public static ExpectedCondition<Boolean> and(final ExpectedCondition<?>... conditions) {
return new ExpectedCondition<Boolean>() {
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for (ExpectedCondition<?> condition : conditions) {
Object result = condition.apply(driver);
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if (result == null) {
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return true;
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looly/hutool | hutool-dfa/src/main/java/cn/hutool/dfa/WordTree.java | WordTree.addWords | public void addWords(String... words){
HashSet<String> wordsSet = CollectionUtil.newHashSet(words);
for (String word : wordsSet) {
addWord(word);
}
} | java | public void addWords(String... words){
HashSet<String> wordsSet = CollectionUtil.newHashSet(words);
for (String word : wordsSet) {
addWord(word);
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apache/flink | flink-formats/flink-parquet/src/main/java/org/apache/flink/formats/parquet/utils/ParquetTimestampUtils.java | ParquetTimestampUtils.getTimestampMillis | public static long getTimestampMillis(Binary timestampBinary) {
if (timestampBinary.length() != 12) {
throw new IllegalArgumentException("Parquet timestamp must be 12 bytes, actual " + timestampBinary.length());
}
byte[] bytes = timestampBinary.getBytes();
// little endian encoding - need to invert byte order
long timeOfDayNanos = ByteBuffer.wrap(new byte[] {bytes[7], bytes[6], bytes[5], bytes[4],
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int julianDay = ByteBuffer.wrap(new byte[] {bytes[11], bytes[10], bytes[9], bytes[8]}).getInt();
return julianDayToMillis(julianDay) + (timeOfDayNanos / NANOS_PER_MILLISECOND);
} | java | public static long getTimestampMillis(Binary timestampBinary) {
if (timestampBinary.length() != 12) {
throw new IllegalArgumentException("Parquet timestamp must be 12 bytes, actual " + timestampBinary.length());
}
byte[] bytes = timestampBinary.getBytes();
// little endian encoding - need to invert byte order
long timeOfDayNanos = ByteBuffer.wrap(new byte[] {bytes[7], bytes[6], bytes[5], bytes[4],
bytes[3], bytes[2], bytes[1], bytes[0]}).getLong();
int julianDay = ByteBuffer.wrap(new byte[] {bytes[11], bytes[10], bytes[9], bytes[8]}).getInt();
return julianDayToMillis(julianDay) + (timeOfDayNanos / NANOS_PER_MILLISECOND);
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hankcs/HanLP | src/main/java/com/hankcs/hanlp/summary/TextRankSentence.java | TextRankSentence.getTopSentenceList | public static List<String> getTopSentenceList(String document, int size, String sentence_separator)
{
List<String> sentenceList = splitSentence(document, sentence_separator);
List<List<String>> docs = convertSentenceListToDocument(sentenceList);
TextRankSentence textRank = new TextRankSentence(docs);
int[] topSentence = textRank.getTopSentence(size);
List<String> resultList = new LinkedList<String>();
for (int i : topSentence)
{
resultList.add(sentenceList.get(i));
}
return resultList;
} | java | public static List<String> getTopSentenceList(String document, int size, String sentence_separator)
{
List<String> sentenceList = splitSentence(document, sentence_separator);
List<List<String>> docs = convertSentenceListToDocument(sentenceList);
TextRankSentence textRank = new TextRankSentence(docs);
int[] topSentence = textRank.getTopSentence(size);
List<String> resultList = new LinkedList<String>();
for (int i : topSentence)
{
resultList.add(sentenceList.get(i));
}
return resultList;
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netty/netty | codec-http/src/main/java/io/netty/handler/codec/http/HttpUtil.java | HttpUtil.isOriginForm | public static boolean isOriginForm(URI uri) {
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apache/flink | flink-runtime/src/main/java/org/apache/flink/runtime/deployment/InputChannelDeploymentDescriptor.java | InputChannelDeploymentDescriptor.fromEdges | public static List<InputChannelDeploymentDescriptor> fromEdges(
List<ExecutionEdge> edges,
boolean allowLazyDeployment) {
return edges.stream().map(edge -> fromEdgeAndValidate(allowLazyDeployment, edge)).collect(Collectors.toList());
} | java | public static List<InputChannelDeploymentDescriptor> fromEdges(
List<ExecutionEdge> edges,
boolean allowLazyDeployment) {
return edges.stream().map(edge -> fromEdgeAndValidate(allowLazyDeployment, edge)).collect(Collectors.toList());
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apache/flink | flink-streaming-java/src/main/java/org/apache/flink/streaming/experimental/CollectSink.java | CollectSink.open | @Override
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try {
client = new Socket(hostIp, port);
outputStream = client.getOutputStream();
streamWriter = new DataOutputViewStreamWrapper(outputStream);
}
catch (IOException e) {
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} | java | @Override
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try {
client = new Socket(hostIp, port);
outputStream = client.getOutputStream();
streamWriter = new DataOutputViewStreamWrapper(outputStream);
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apache/flink | flink-streaming-java/src/main/java/org/apache/flink/streaming/api/datastream/DataStream.java | DataStream.join | public <T2> JoinedStreams<T, T2> join(DataStream<T2> otherStream) {
return new JoinedStreams<>(this, otherStream);
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java | NumberUtil.div | public static double div(float v1, float v2, int scale, RoundingMode roundingMode) {
return div(Float.toString(v1), Float.toString(v2), scale, roundingMode).doubleValue();
} | java | public static double div(float v1, float v2, int scale, RoundingMode roundingMode) {
return div(Float.toString(v1), Float.toString(v2), scale, roundingMode).doubleValue();
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apache/flink | flink-table/flink-table-common/src/main/java/org/apache/flink/table/descriptors/Statistics.java | Statistics.columnMinValue | public Statistics columnMinValue(String columnName, Number min) {
this.columnStats
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return this;
} | java | public Statistics columnMinValue(String columnName, Number min) {
this.columnStats
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return this;
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netty/netty | common/src/main/java/io/netty/util/HashedWheelTimer.java | HashedWheelTimer.start | public void start() {
switch (WORKER_STATE_UPDATER.get(this)) {
case WORKER_STATE_INIT:
if (WORKER_STATE_UPDATER.compareAndSet(this, WORKER_STATE_INIT, WORKER_STATE_STARTED)) {
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break;
case WORKER_STATE_STARTED:
break;
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while (startTime == 0) {
try {
startTimeInitialized.await();
} catch (InterruptedException ignore) {
// Ignore - it will be ready very soon.
}
}
} | java | public void start() {
switch (WORKER_STATE_UPDATER.get(this)) {
case WORKER_STATE_INIT:
if (WORKER_STATE_UPDATER.compareAndSet(this, WORKER_STATE_INIT, WORKER_STATE_STARTED)) {
workerThread.start();
}
break;
case WORKER_STATE_STARTED:
break;
case WORKER_STATE_SHUTDOWN:
throw new IllegalStateException("cannot be started once stopped");
default:
throw new Error("Invalid WorkerState");
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// Wait until the startTime is initialized by the worker.
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hankcs/HanLP | src/main/java/com/hankcs/hanlp/collection/trie/bintrie/BinTrie.java | BinTrie.commonPrefixSearchWithValue | public LinkedList<Map.Entry<String, V>> commonPrefixSearchWithValue(String key)
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char[] chars = key.toCharArray();
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@param key 键
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] | a538d0722ab2e4980a9dcd9ea40324fc3ddba7ce | https://github.com/hankcs/HanLP/blob/a538d0722ab2e4980a9dcd9ea40324fc3ddba7ce/src/main/java/com/hankcs/hanlp/collection/trie/bintrie/BinTrie.java#L241-L245 | train | Returns a list of entries that are common to all the keys in the cache. | [
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/convert/ConverterRegistry.java | ConverterRegistry.convert | @SuppressWarnings("unchecked")
public <T> T convert(Type type, Object value, T defaultValue, boolean isCustomFirst) throws ConvertException {
if (TypeUtil.isUnknow(type) && null == defaultValue) {
// 对于用户不指定目标类型的情况，返回原值
return (T) value;
}
if (ObjectUtil.isNull(value)) {
return defaultValue;
}
if (TypeUtil.isUnknow(type)) {
type = defaultValue.getClass();
}
// 标准转换器
final Converter<T> converter = getConverter(type, isCustomFirst);
if (null != converter) {
return converter.convert(value, defaultValue);
}
Class<T> rowType = (Class<T>) TypeUtil.getClass(type);
if (null == rowType) {
if (null != defaultValue) {
rowType = (Class<T>) defaultValue.getClass();
} else {
// 无法识别的泛型类型，按照Object处理
return (T) value;
}
}
// 特殊类型转换，包括Collection、Map、强转、Array等
final T result = convertSpecial(type, rowType, value, defaultValue);
if (null != result) {
return result;
}
// 尝试转Bean
if (BeanUtil.isBean(rowType)) {
return new BeanConverter<T>(type).convert(value, defaultValue);
}
// 无法转换
throw new ConvertException("No Converter for type [{}]", rowType.getName());
} | java | @SuppressWarnings("unchecked")
public <T> T convert(Type type, Object value, T defaultValue, boolean isCustomFirst) throws ConvertException {
if (TypeUtil.isUnknow(type) && null == defaultValue) {
// 对于用户不指定目标类型的情况，返回原值
return (T) value;
}
if (ObjectUtil.isNull(value)) {
return defaultValue;
}
if (TypeUtil.isUnknow(type)) {
type = defaultValue.getClass();
}
// 标准转换器
final Converter<T> converter = getConverter(type, isCustomFirst);
if (null != converter) {
return converter.convert(value, defaultValue);
}
Class<T> rowType = (Class<T>) TypeUtil.getClass(type);
if (null == rowType) {
if (null != defaultValue) {
rowType = (Class<T>) defaultValue.getClass();
} else {
// 无法识别的泛型类型，按照Object处理
return (T) value;
}
}
// 特殊类型转换，包括Collection、Map、强转、Array等
final T result = convertSpecial(type, rowType, value, defaultValue);
if (null != result) {
return result;
}
// 尝试转Bean
if (BeanUtil.isBean(rowType)) {
return new BeanConverter<T>(type).convert(value, defaultValue);
}
// 无法转换
throw new ConvertException("No Converter for type [{}]", rowType.getName());
} | [
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apache/flink | flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamGraphGenerator.java | StreamGraphGenerator.transformCoFeedback | private <F> Collection<Integer> transformCoFeedback(CoFeedbackTransformation<F> coIterate) {
// For Co-Iteration we don't need to transform the input and wire the input to the
// head operator by returning the input IDs, the input is directly wired to the left
// input of the co-operation. This transform only needs to return the ids of the feedback
// edges, since they need to be wired to the second input of the co-operation.
// create the fake iteration source/sink pair
Tuple2<StreamNode, StreamNode> itSourceAndSink = streamGraph.createIterationSourceAndSink(
coIterate.getId(),
getNewIterationNodeId(),
getNewIterationNodeId(),
coIterate.getWaitTime(),
coIterate.getParallelism(),
coIterate.getMaxParallelism(),
coIterate.getMinResources(),
coIterate.getPreferredResources());
StreamNode itSource = itSourceAndSink.f0;
StreamNode itSink = itSourceAndSink.f1;
// We set the proper serializers for the sink/source
streamGraph.setSerializers(itSource.getId(), null, null, coIterate.getOutputType().createSerializer(env.getConfig()));
streamGraph.setSerializers(itSink.getId(), coIterate.getOutputType().createSerializer(env.getConfig()), null, null);
Collection<Integer> resultIds = Collections.singleton(itSource.getId());
// at the iterate to the already-seen-set with the result IDs, so that we can transform
// the feedback edges and let them stop when encountering the iterate node
alreadyTransformed.put(coIterate, resultIds);
// so that we can determine the slot sharing group from all feedback edges
List<Integer> allFeedbackIds = new ArrayList<>();
for (StreamTransformation<F> feedbackEdge : coIterate.getFeedbackEdges()) {
Collection<Integer> feedbackIds = transform(feedbackEdge);
allFeedbackIds.addAll(feedbackIds);
for (Integer feedbackId: feedbackIds) {
streamGraph.addEdge(feedbackId,
itSink.getId(),
0
);
}
}
String slotSharingGroup = determineSlotSharingGroup(null, allFeedbackIds);
itSink.setSlotSharingGroup(slotSharingGroup);
itSource.setSlotSharingGroup(slotSharingGroup);
return Collections.singleton(itSource.getId());
} | java | private <F> Collection<Integer> transformCoFeedback(CoFeedbackTransformation<F> coIterate) {
// For Co-Iteration we don't need to transform the input and wire the input to the
// head operator by returning the input IDs, the input is directly wired to the left
// input of the co-operation. This transform only needs to return the ids of the feedback
// edges, since they need to be wired to the second input of the co-operation.
// create the fake iteration source/sink pair
Tuple2<StreamNode, StreamNode> itSourceAndSink = streamGraph.createIterationSourceAndSink(
coIterate.getId(),
getNewIterationNodeId(),
getNewIterationNodeId(),
coIterate.getWaitTime(),
coIterate.getParallelism(),
coIterate.getMaxParallelism(),
coIterate.getMinResources(),
coIterate.getPreferredResources());
StreamNode itSource = itSourceAndSink.f0;
StreamNode itSink = itSourceAndSink.f1;
// We set the proper serializers for the sink/source
streamGraph.setSerializers(itSource.getId(), null, null, coIterate.getOutputType().createSerializer(env.getConfig()));
streamGraph.setSerializers(itSink.getId(), coIterate.getOutputType().createSerializer(env.getConfig()), null, null);
Collection<Integer> resultIds = Collections.singleton(itSource.getId());
// at the iterate to the already-seen-set with the result IDs, so that we can transform
// the feedback edges and let them stop when encountering the iterate node
alreadyTransformed.put(coIterate, resultIds);
// so that we can determine the slot sharing group from all feedback edges
List<Integer> allFeedbackIds = new ArrayList<>();
for (StreamTransformation<F> feedbackEdge : coIterate.getFeedbackEdges()) {
Collection<Integer> feedbackIds = transform(feedbackEdge);
allFeedbackIds.addAll(feedbackIds);
for (Integer feedbackId: feedbackIds) {
streamGraph.addEdge(feedbackId,
itSink.getId(),
0
);
}
}
String slotSharingGroup = determineSlotSharingGroup(null, allFeedbackIds);
itSink.setSlotSharingGroup(slotSharingGroup);
itSource.setSlotSharingGroup(slotSharingGroup);
return Collections.singleton(itSource.getId());
} | [
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apache/flink | flink-filesystems/flink-fs-hadoop-shaded/src/main/java/org/apache/hadoop/conf/Configuration.java | Configuration.getTimeDuration | public long getTimeDuration(String name, long defaultValue, TimeUnit unit) {
String vStr = get(name);
if (null == vStr) {
return defaultValue;
} else {
return getTimeDurationHelper(name, vStr, unit);
}
} | java | public long getTimeDuration(String name, long defaultValue, TimeUnit unit) {
String vStr = get(name);
if (null == vStr) {
return defaultValue;
} else {
return getTimeDurationHelper(name, vStr, unit);
}
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apache/flink | flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/RoundRobinOperatorStateRepartitioner.java | RoundRobinOperatorStateRepartitioner.repartitionUnionState | private void repartitionUnionState(
Map<String, List<Tuple2<StreamStateHandle, OperatorStateHandle.StateMetaInfo>>> unionState,
List<Map<StreamStateHandle, OperatorStateHandle>> mergeMapList) {
for (Map<StreamStateHandle, OperatorStateHandle> mergeMap : mergeMapList) {
for (Map.Entry<String, List<Tuple2<StreamStateHandle, OperatorStateHandle.StateMetaInfo>>> e :
unionState.entrySet()) {
for (Tuple2<StreamStateHandle, OperatorStateHandle.StateMetaInfo> handleWithMetaInfo : e.getValue()) {
OperatorStateHandle operatorStateHandle = mergeMap.get(handleWithMetaInfo.f0);
if (operatorStateHandle == null) {
operatorStateHandle = new OperatorStreamStateHandle(
new HashMap<>(unionState.size()),
handleWithMetaInfo.f0);
mergeMap.put(handleWithMetaInfo.f0, operatorStateHandle);
}
operatorStateHandle.getStateNameToPartitionOffsets().put(e.getKey(), handleWithMetaInfo.f1);
}
}
}
} | java | private void repartitionUnionState(
Map<String, List<Tuple2<StreamStateHandle, OperatorStateHandle.StateMetaInfo>>> unionState,
List<Map<StreamStateHandle, OperatorStateHandle>> mergeMapList) {
for (Map<StreamStateHandle, OperatorStateHandle> mergeMap : mergeMapList) {
for (Map.Entry<String, List<Tuple2<StreamStateHandle, OperatorStateHandle.StateMetaInfo>>> e :
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operatorStateHandle.getStateNameToPartitionOffsets().put(e.getKey(), handleWithMetaInfo.f1);
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apache/flink | flink-table/flink-table-runtime-blink/src/main/java/org/apache/flink/table/typeutils/SortedMapTypeInfo.java | SortedMapTypeInfo.getTypeClass | @SuppressWarnings("unchecked")
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apache/flink | flink-connectors/flink-connector-kafka-base/src/main/java/org/apache/flink/streaming/connectors/kafka/internals/ClosableBlockingQueue.java | ClosableBlockingQueue.addIfOpen | public boolean addIfOpen(E element) {
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if (open) {
elements.addLast(element);
if (elements.size() == 1) {
nonEmpty.signalAll();
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return open;
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lock.unlock();
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/convert/Convert.java | Convert.convert | public static <T> T convert(TypeReference<T> reference, Object value) throws ConvertException{
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netty/netty | codec-http/src/main/java/io/netty/handler/codec/http/cookie/ClientCookieEncoder.java | ClientCookieEncoder.encode | public String encode(Cookie... cookies) {
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}
return stripTrailingSeparatorOrNull(buf);
} | java | public String encode(Cookie... cookies) {
if (checkNotNull(cookies, "cookies").length == 0) {
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}
StringBuilder buf = stringBuilder();
if (strict) {
if (cookies.length == 1) {
encode(buf, cookies[0]);
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Arrays.sort(cookiesSorted, COOKIE_COMPARATOR);
for (Cookie c : cookiesSorted) {
encode(buf, c);
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netty/netty | codec-http/src/main/java/io/netty/handler/codec/spdy/SpdyCodecUtil.java | SpdyCodecUtil.getUnsignedMedium | static int getUnsignedMedium(ByteBuf buf, int offset) {
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spring-projects/spring-boot | spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/reactive/error/DefaultErrorWebExceptionHandler.java | DefaultErrorWebExceptionHandler.renderErrorView | protected Mono<ServerResponse> renderErrorView(ServerRequest request) {
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boolean includeStackTrace = isIncludeStackTrace(request, MediaType.TEXT_HTML);
Map<String, Object> error = getErrorAttributes(request, includeStackTrace);
HttpStatus errorStatus = getHttpStatus(error);
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apache/flink | flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/DefaultConfigurableOptionsFactory.java | DefaultConfigurableOptionsFactory.getInternal | private String getInternal(String key) {
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apache/flink | flink-java/src/main/java/org/apache/flink/api/java/ExecutionEnvironment.java | ExecutionEnvironment.createRemoteEnvironment | public static ExecutionEnvironment createRemoteEnvironment(
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networknt/light-4j | http-url/src/main/java/com/networknt/url/URLNormalizer.java | URLNormalizer.removeSessionIds | public URLNormalizer removeSessionIds() {
if (StringUtils.containsIgnoreCase(url, ";jsessionid=")) {
url = url.replaceFirst(
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u += "?" + StringUtils.removeStart(q, "&");
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url = u;
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} | java | public URLNormalizer removeSessionIds() {
if (StringUtils.containsIgnoreCase(url, ";jsessionid=")) {
url = url.replaceFirst(
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String u = StringUtils.substringBefore(url, "?");
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q = q.replaceFirst("(&|^)(PHPSESSID=[0-9a-zA-Z]*)", "");
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/date/format/FastDateParser.java | FastDateParser.appendDisplayNames | private static Map<String, Integer> appendDisplayNames(final Calendar cal, final Locale locale, final int field, final StringBuilder regex) {
final Map<String, Integer> values = new HashMap<>();
final Map<String, Integer> displayNames = cal.getDisplayNames(field, Calendar.ALL_STYLES, locale);
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for (final Map.Entry<String, Integer> displayName : displayNames.entrySet()) {
final String key = displayName.getKey().toLowerCase(locale);
if (sorted.add(key)) {
values.put(key, displayName.getValue());
}
}
for (final String symbol : sorted) {
simpleQuote(regex, symbol).append('|');
}
return values;
} | java | private static Map<String, Integer> appendDisplayNames(final Calendar cal, final Locale locale, final int field, final StringBuilder regex) {
final Map<String, Integer> values = new HashMap<>();
final Map<String, Integer> displayNames = cal.getDisplayNames(field, Calendar.ALL_STYLES, locale);
final TreeSet<String> sorted = new TreeSet<>(LONGER_FIRST_LOWERCASE);
for (final Map.Entry<String, Integer> displayName : displayNames.entrySet()) {
final String key = displayName.getKey().toLowerCase(locale);
if (sorted.add(key)) {
values.put(key, displayName.getValue());
}
}
for (final String symbol : sorted) {
simpleQuote(regex, symbol).append('|');
}
return values;
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/io/IoUtil.java | IoUtil.writeUtf8 | public static void writeUtf8(OutputStream out, boolean isCloseOut, Object... contents) throws IORuntimeException {
write(out, CharsetUtil.CHARSET_UTF_8, isCloseOut, contents);
} | java | public static void writeUtf8(OutputStream out, boolean isCloseOut, Object... contents) throws IORuntimeException {
write(out, CharsetUtil.CHARSET_UTF_8, isCloseOut, contents);
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looly/hutool | hutool-extra/src/main/java/cn/hutool/extra/servlet/multipart/UploadFileHeader.java | UploadFileHeader.processHeaderString | private void processHeaderString(String dataHeader) {
isFile = dataHeader.indexOf("filename") > 0;
formFieldName = getDataFieldValue(dataHeader, "name");
if (isFile) {
formFileName = getDataFieldValue(dataHeader, "filename");
if (formFileName == null) {
return;
}
if (formFileName.length() == 0) {
path = StrUtil.EMPTY;
fileName = StrUtil.EMPTY;
}
int ls = FileUtil.lastIndexOfSeparator(formFileName);
if (ls == -1) {
path = StrUtil.EMPTY;
fileName = formFileName;
} else {
path = formFileName.substring(0, ls);
fileName = formFileName.substring(ls);
}
if (fileName.length() > 0) {
this.contentType = getContentType(dataHeader);
mimeType = getMimeType(contentType);
mimeSubtype = getMimeSubtype(contentType);
contentDisposition = getContentDisposition(dataHeader);
}
}
} | java | private void processHeaderString(String dataHeader) {
isFile = dataHeader.indexOf("filename") > 0;
formFieldName = getDataFieldValue(dataHeader, "name");
if (isFile) {
formFileName = getDataFieldValue(dataHeader, "filename");
if (formFileName == null) {
return;
}
if (formFileName.length() == 0) {
path = StrUtil.EMPTY;
fileName = StrUtil.EMPTY;
}
int ls = FileUtil.lastIndexOfSeparator(formFileName);
if (ls == -1) {
path = StrUtil.EMPTY;
fileName = formFileName;
} else {
path = formFileName.substring(0, ls);
fileName = formFileName.substring(ls);
}
if (fileName.length() > 0) {
this.contentType = getContentType(dataHeader);
mimeType = getMimeType(contentType);
mimeSubtype = getMimeSubtype(contentType);
contentDisposition = getContentDisposition(dataHeader);
}
}
} | [
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apache/flink | flink-runtime/src/main/java/org/apache/flink/runtime/instance/Instance.java | Instance.returnLogicalSlot | @Override
public void returnLogicalSlot(LogicalSlot logicalSlot) {
checkNotNull(logicalSlot);
checkArgument(logicalSlot instanceof Slot);
final Slot slot = ((Slot) logicalSlot);
checkArgument(!slot.isAlive(), "slot is still alive");
checkArgument(slot.getOwner() == this, "slot belongs to the wrong TaskManager.");
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if (this.allocatedSlots.remove(slot)) {
this.availableSlots.add(slot.getSlotNumber());
if (this.slotAvailabilityListener != null) {
this.slotAvailabilityListener.newSlotAvailable(this);
}
}
else {
throw new IllegalArgumentException("Slot was not allocated from this TaskManager.");
}
}
}
} | java | @Override
public void returnLogicalSlot(LogicalSlot logicalSlot) {
checkNotNull(logicalSlot);
checkArgument(logicalSlot instanceof Slot);
final Slot slot = ((Slot) logicalSlot);
checkArgument(!slot.isAlive(), "slot is still alive");
checkArgument(slot.getOwner() == this, "slot belongs to the wrong TaskManager.");
if (slot.markReleased()) {
LOG.debug("Return allocated slot {}.", slot);
synchronized (instanceLock) {
if (isDead) {
return;
}
if (this.allocatedSlots.remove(slot)) {
this.availableSlots.add(slot.getSlotNumber());
if (this.slotAvailabilityListener != null) {
this.slotAvailabilityListener.newSlotAvailable(this);
}
}
else {
throw new IllegalArgumentException("Slot was not allocated from this TaskManager.");
}
}
}
} | [
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/util/ClassUtil.java | ClassUtil.scanPackageByAnnotation | public static Set<Class<?>> scanPackageByAnnotation(String packageName, final Class<? extends Annotation> annotationClass) {
return ClassScaner.scanPackageByAnnotation(packageName, annotationClass);
} | java | public static Set<Class<?>> scanPackageByAnnotation(String packageName, final Class<? extends Annotation> annotationClass) {
return ClassScaner.scanPackageByAnnotation(packageName, annotationClass);
} | [
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netty/netty | codec-http/src/main/java/io/netty/handler/codec/http/HttpHeaders.java | HttpHeaders.getIntHeader | @Deprecated
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String value = message.headers().get(name);
if (value == null) {
throw new NumberFormatException("header not found: " + name);
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return Integer.parseInt(value);
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apache/flink | flink-java/src/main/java/org/apache/flink/api/java/ExecutionEnvironment.java | ExecutionEnvironment.readFileOfPrimitives | public <X> DataSource<X> readFileOfPrimitives(String filePath, Class<X> typeClass) {
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apache/flink | flink-formats/flink-parquet/src/main/java/org/apache/flink/formats/parquet/ParquetInputFormat.java | ParquetInputFormat.getReadSchema | private MessageType getReadSchema(MessageType fileSchema, Path filePath) {
RowTypeInfo fileTypeInfo = (RowTypeInfo) ParquetSchemaConverter.fromParquetType(fileSchema);
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types.add(fileSchema.getType(readFieldName));
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return new MessageType(fileSchema.getName(), types);
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List<Type> types = new ArrayList<>();
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apache/flink | flink-core/src/main/java/org/apache/flink/api/common/typeutils/TypeSerializerUtils.java | TypeSerializerUtils.snapshotBackwardsCompatible | public static TypeSerializerSnapshot<?>[] snapshotBackwardsCompatible(
TypeSerializer<?>... originatingSerializers) {
return Arrays.stream(originatingSerializers)
.map(TypeSerializerUtils::snapshotBackwardsCompatible)
.toArray(TypeSerializerSnapshot[]::new);
} | java | public static TypeSerializerSnapshot<?>[] snapshotBackwardsCompatible(
TypeSerializer<?>... originatingSerializers) {
return Arrays.stream(originatingSerializers)
.map(TypeSerializerUtils::snapshotBackwardsCompatible)
.toArray(TypeSerializerSnapshot[]::new);
} | [
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/text/Simhash.java | Simhash.splitSimhash | private List<String> splitSimhash(Long simhash) {
final int bitNum = this.bitNum;
final int fracBitNum = this.fracBitNum;
final List<String> ls = new ArrayList<String>();
final StringBuilder sb = new StringBuilder();
for (int i = 0; i < bitNum; i++) {
sb.append(simhash >> i & 1);
if ((i + 1) % fracBitNum == 0) {
ls.add(sb.toString());
sb.setLength(0);
}
}
return ls;
} | java | private List<String> splitSimhash(Long simhash) {
final int bitNum = this.bitNum;
final int fracBitNum = this.fracBitNum;
final List<String> ls = new ArrayList<String>();
final StringBuilder sb = new StringBuilder();
for (int i = 0; i < bitNum; i++) {
sb.append(simhash >> i & 1);
if ((i + 1) % fracBitNum == 0) {
ls.add(sb.toString());
sb.setLength(0);
}
}
return ls;
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apache/flink | flink-core/src/main/java/org/apache/flink/api/common/ExecutionConfig.java | ExecutionConfig.registerTypeWithKryoSerializer | @SuppressWarnings("rawtypes")
public void registerTypeWithKryoSerializer(Class<?> type, Class<? extends Serializer> serializerClass) {
if (type == null || serializerClass == null) {
throw new NullPointerException("Cannot register null class or serializer.");
}
@SuppressWarnings("unchecked")
Class<? extends Serializer<?>> castedSerializerClass = (Class<? extends Serializer<?>>) serializerClass;
registeredTypesWithKryoSerializerClasses.put(type, castedSerializerClass);
} | java | @SuppressWarnings("rawtypes")
public void registerTypeWithKryoSerializer(Class<?> type, Class<? extends Serializer> serializerClass) {
if (type == null || serializerClass == null) {
throw new NullPointerException("Cannot register null class or serializer.");
}
@SuppressWarnings("unchecked")
Class<? extends Serializer<?>> castedSerializerClass = (Class<? extends Serializer<?>>) serializerClass;
registeredTypesWithKryoSerializerClasses.put(type, castedSerializerClass);
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/util/EscapeUtil.java | EscapeUtil.escape | public static String escape(String content) {
if (StrUtil.isBlank(content)) {
return content;
}
int i;
char j;
StringBuilder tmp = new StringBuilder();
tmp.ensureCapacity(content.length() * 6);
for (i = 0; i < content.length(); i++) {
j = content.charAt(i);
if (Character.isDigit(j) || Character.isLowerCase(j) || Character.isUpperCase(j)) {
tmp.append(j);
} else if (j < 256) {
tmp.append("%");
if (j < 16) {
tmp.append("0");
}
tmp.append(Integer.toString(j, 16));
} else {
tmp.append("%u");
tmp.append(Integer.toString(j, 16));
}
}
return tmp.toString();
} | java | public static String escape(String content) {
if (StrUtil.isBlank(content)) {
return content;
}
int i;
char j;
StringBuilder tmp = new StringBuilder();
tmp.ensureCapacity(content.length() * 6);
for (i = 0; i < content.length(); i++) {
j = content.charAt(i);
if (Character.isDigit(j) || Character.isLowerCase(j) || Character.isUpperCase(j)) {
tmp.append(j);
} else if (j < 256) {
tmp.append("%");
if (j < 16) {
tmp.append("0");
}
tmp.append(Integer.toString(j, 16));
} else {
tmp.append("%u");
tmp.append(Integer.toString(j, 16));
}
}
return tmp.toString();
} | [
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SeleniumHQ/selenium | java/client/src/org/openqa/selenium/net/PortProber.java | PortProber.createAcceptablePort | private static int createAcceptablePort() {
synchronized (random) {
final int FIRST_PORT;
final int LAST_PORT;
int freeAbove = HIGHEST_PORT - ephemeralRangeDetector.getHighestEphemeralPort();
int freeBelow = max(0, ephemeralRangeDetector.getLowestEphemeralPort() - START_OF_USER_PORTS);
if (freeAbove > freeBelow) {
FIRST_PORT = ephemeralRangeDetector.getHighestEphemeralPort();
LAST_PORT = 65535;
} else {
FIRST_PORT = 1024;
LAST_PORT = ephemeralRangeDetector.getLowestEphemeralPort();
}
if (FIRST_PORT == LAST_PORT) {
return FIRST_PORT;
}
if (FIRST_PORT > LAST_PORT) {
throw new UnsupportedOperationException("Could not find ephemeral port to use");
}
final int randomInt = random.nextInt();
final int portWithoutOffset = Math.abs(randomInt % (LAST_PORT - FIRST_PORT + 1));
return portWithoutOffset + FIRST_PORT;
}
} | java | private static int createAcceptablePort() {
synchronized (random) {
final int FIRST_PORT;
final int LAST_PORT;
int freeAbove = HIGHEST_PORT - ephemeralRangeDetector.getHighestEphemeralPort();
int freeBelow = max(0, ephemeralRangeDetector.getLowestEphemeralPort() - START_OF_USER_PORTS);
if (freeAbove > freeBelow) {
FIRST_PORT = ephemeralRangeDetector.getHighestEphemeralPort();
LAST_PORT = 65535;
} else {
FIRST_PORT = 1024;
LAST_PORT = ephemeralRangeDetector.getLowestEphemeralPort();
}
if (FIRST_PORT == LAST_PORT) {
return FIRST_PORT;
}
if (FIRST_PORT > LAST_PORT) {
throw new UnsupportedOperationException("Could not find ephemeral port to use");
}
final int randomInt = random.nextInt();
final int portWithoutOffset = Math.abs(randomInt % (LAST_PORT - FIRST_PORT + 1));
return portWithoutOffset + FIRST_PORT;
}
} | [
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netty/netty | buffer/src/main/java/io/netty/buffer/ByteBufUtil.java | ByteBufUtil.indexOf | public static int indexOf(ByteBuf buffer, int fromIndex, int toIndex, byte value) {
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} | java | public static int indexOf(ByteBuf buffer, int fromIndex, int toIndex, byte value) {
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/util/ArrayUtil.java | ArrayUtil.resize | public static <T> T[] resize(T[] buffer, int newSize) {
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networknt/light-4j | metrics/src/main/java/io/dropwizard/metrics/InstrumentedExecutors.java | InstrumentedExecutors.newSingleThreadScheduledExecutor | public static InstrumentedScheduledExecutorService newSingleThreadScheduledExecutor(
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} | java | public static InstrumentedScheduledExecutorService newSingleThreadScheduledExecutor(
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hankcs/HanLP | src/main/java/com/hankcs/hanlp/mining/cluster/Cluster.java | Cluster.set_composite_vector | void set_composite_vector()
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} | java | void set_composite_vector()
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composite_.clear();
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java | NumberUtil.add | public static BigDecimal add(Number v1, Number v2) {
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netty/netty | buffer/src/main/java/io/netty/buffer/ByteBufUtil.java | ByteBufUtil.decodeHexDump | public static byte[] decodeHexDump(CharSequence hexDump, int fromIndex, int length) {
return StringUtil.decodeHexDump(hexDump, fromIndex, length);
} | java | public static byte[] decodeHexDump(CharSequence hexDump, int fromIndex, int length) {
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apache/flink | flink-runtime/src/main/java/org/apache/flink/runtime/operators/resettable/BlockResettableMutableObjectIterator.java | BlockResettableMutableObjectIterator.next | @Override
public T next(T target) throws IOException {
// check for the left over element
if (this.readPhase) {
return getNextRecord(target);
} else {
// writing phase. check for leftover first
if (this.leftOverReturned) {
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return null;
} else {
this.leftOverReturned = true;
target = this.serializer.copy(this.leftOverRecord, target);
return target;
}
}
} | java | @Override
public T next(T target) throws IOException {
// check for the left over element
if (this.readPhase) {
return getNextRecord(target);
} else {
// writing phase. check for leftover first
if (this.leftOverReturned) {
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this.leftOverRecord = this.serializer.copy(target, this.leftOverRecord);
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return null;
}
} else {
this.noMoreBlocks = true;
return null;
}
} else if (this.fullWriteBuffer) {
return null;
} else {
this.leftOverReturned = true;
target = this.serializer.copy(this.leftOverRecord, target);
return target;
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apache/flink | flink-java/src/main/java/org/apache/flink/api/java/functions/SemanticPropUtil.java | SemanticPropUtil.areFieldsCompatible | private static boolean areFieldsCompatible(String sourceField, TypeInformation<?> inType, String targetField,
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try {
// get source type information
TypeInformation<?> sourceType = getExpressionTypeInformation(sourceField, inType);
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return sourceType.equals(targetType);
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if (throwException) {
throw e;
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return false;
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}
} | java | private static boolean areFieldsCompatible(String sourceField, TypeInformation<?> inType, String targetField,
TypeInformation<?> outType, boolean throwException) {
try {
// get source type information
TypeInformation<?> sourceType = getExpressionTypeInformation(sourceField, inType);
// get target type information
TypeInformation<?> targetType = getExpressionTypeInformation(targetField, outType);
return sourceType.equals(targetType);
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if (throwException) {
throw e;
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return false;
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}
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/img/ImgUtil.java | ImgUtil.flip | public static void flip(File imageFile, File outFile) throws IORuntimeException {
flip(read(imageFile), outFile);
} | java | public static void flip(File imageFile, File outFile) throws IORuntimeException {
flip(read(imageFile), outFile);
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looly/hutool | hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java | FileUtil.size | public static long size(File file) {
Assert.notNull(file, "file argument is null !");
if (false == file.exists()) {
throw new IllegalArgumentException(StrUtil.format("File [{}] not exist !", file.getAbsolutePath()));
}
if (file.isDirectory()) {
long size = 0L;
File[] subFiles = file.listFiles();
if (ArrayUtil.isEmpty(subFiles)) {
return 0L;// empty directory
}
for (int i = 0; i < subFiles.length; i++) {
size += size(subFiles[i]);
}
return size;
} else {
return file.length();
}
} | java | public static long size(File file) {
Assert.notNull(file, "file argument is null !");
if (false == file.exists()) {
throw new IllegalArgumentException(StrUtil.format("File [{}] not exist !", file.getAbsolutePath()));
}
if (file.isDirectory()) {
long size = 0L;
File[] subFiles = file.listFiles();
if (ArrayUtil.isEmpty(subFiles)) {
return 0L;// empty directory
}
for (int i = 0; i < subFiles.length; i++) {
size += size(subFiles[i]);
}
return size;
} else {
return file.length();
}
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当给定对象为目录时，遍历目录下的所有文件和目录，递归计算其大小，求和返回
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looly/hutool | hutool-poi/src/main/java/cn/hutool/poi/excel/ExcelReader.java | ExcelReader.read | @SuppressWarnings("unchecked")
public <T> List<T> read(int headerRowIndex, int startRowIndex, int endRowIndex, Class<T> beanType) {
checkNotClosed();
final List<Map<String, Object>> mapList = read(headerRowIndex, startRowIndex, endRowIndex);
if (Map.class.isAssignableFrom(beanType)) {
return (List<T>) mapList;
}
final List<T> beanList = new ArrayList<>(mapList.size());
for (Map<String, Object> map : mapList) {
beanList.add(BeanUtil.mapToBean(map, beanType, false));
}
return beanList;
} | java | @SuppressWarnings("unchecked")
public <T> List<T> read(int headerRowIndex, int startRowIndex, int endRowIndex, Class<T> beanType) {
checkNotClosed();
final List<Map<String, Object>> mapList = read(headerRowIndex, startRowIndex, endRowIndex);
if (Map.class.isAssignableFrom(beanType)) {
return (List<T>) mapList;
}
final List<T> beanList = new ArrayList<>(mapList.size());
for (Map<String, Object> map : mapList) {
beanList.add(BeanUtil.mapToBean(map, beanType, false));
}
return beanList;
} | [
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@param <T> Bean类型
@param headerRowIndex 标题所在行，如果标题行在读取的内容行中间，这行做为数据将忽略，，从0开始计数
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@return Map的列表 | [
"读取Excel为Bean的列表"
] | bbd74eda4c7e8a81fe7a991fa6c2276eec062e6a | https://github.com/looly/hutool/blob/bbd74eda4c7e8a81fe7a991fa6c2276eec062e6a/hutool-poi/src/main/java/cn/hutool/poi/excel/ExcelReader.java#L348-L361 | train | Reads a list of data from the table. | [
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apache/flink | flink-runtime/src/main/java/org/apache/flink/runtime/memory/MemoryManager.java | MemoryManager.allocatePages | public void allocatePages(Object owner, List<MemorySegment> target, int numPages)
throws MemoryAllocationException {
// sanity check
if (owner == null) {
throw new IllegalArgumentException("The memory owner must not be null.");
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// reserve array space, if applicable
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Set<MemorySegment> segmentsForOwner = allocatedSegments.get(owner);
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segmentsForOwner.add(segment);
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numNonAllocatedPages -= numPages;
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}
// -------------------- END CRITICAL SECTION -------------------
} | java | public void allocatePages(Object owner, List<MemorySegment> target, int numPages)
throws MemoryAllocationException {
// sanity check
if (owner == null) {
throw new IllegalArgumentException("The memory owner must not be null.");
}
// reserve array space, if applicable
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((ArrayList<MemorySegment>) target).ensureCapacity(numPages);
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// -------------------- BEGIN CRITICAL SECTION -------------------
synchronized (lock) {
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throw new IllegalStateException("Memory manager has been shut down.");
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// in the case of pre-allocated memory, the 'numNonAllocatedPages' is zero, in the
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throw new MemoryAllocationException("Could not allocate " + numPages + " pages. Only " +
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}
Set<MemorySegment> segmentsForOwner = allocatedSegments.get(owner);
if (segmentsForOwner == null) {
segmentsForOwner = new HashSet<MemorySegment>(numPages);
allocatedSegments.put(owner, segmentsForOwner);
}
if (isPreAllocated) {
for (int i = numPages; i > 0; i--) {
MemorySegment segment = memoryPool.requestSegmentFromPool(owner);
target.add(segment);
segmentsForOwner.add(segment);
}
}
else {
for (int i = numPages; i > 0; i--) {
MemorySegment segment = memoryPool.allocateNewSegment(owner);
target.add(segment);
segmentsForOwner.add(segment);
}
numNonAllocatedPages -= numPages;
}
}
// -------------------- END CRITICAL SECTION -------------------
} | [
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