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public static Message buildSyncHistory(Zxid lastZxid) { ZabMessage.Zxid zxid = toProtoZxid(lastZxid); ZabMessage.SyncHistory sync = ZabMessage.SyncHistory.newBuilder().setLastZxid(zxid).build(); return Message.newBuilder().setType(MessageType.SYNC_HISTORY) .setSyncHistor...
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public static Message buildSyncHistoryReply(int timeout) { ZabMessage.SyncHistoryReply reply = ZabMessage.SyncHistoryReply.newBuilder().setSyncTimeout(timeout).build(); return Message.newBuilder().setType(MessageType.SYNC_HISTORY_REPLY) .setSyncHistoryReply(reply).build(); ...
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public static Message buildElectionInfo(String vote, Zxid lastZxid, long ackEpoch, long round, boolean electing) { ZabMessage.Zxid zxid = toProtoZxid(lastZxid); ZabMessage.ElectionInfo e...
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public static Message buildSnapshotDone(String filePath) { ZabMessage.SnapshotDone done = ZabMessage.SnapshotDone.newBuilder().setFilePath(filePath).build(); return Message.newBuilder().setType(MessageType.SNAPSHOT_DONE) .setSnapshotDone(done).build(); }
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void deliverPendingFlushes(Zxid zxid) { if (!flushQueue.isEmpty()) { while(flushQueue.peek() != null) { PendingFlush flush = flushQueue.peek(); if (flush.getWaitZxid().compareTo(zxid) <= 0) { Tuple tp = pendings.pendingFlushes.remove(0); if (tp == null) { throw ...
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@Override public void join(String peer) throws Exception { try { // Initializes the persistent variables. List<String> peers = new ArrayList<String>(); peers.add(this.serverId); ClusterConfiguration cnf = new ClusterConfiguration(new Zxid(0, 0), peers, this.serverId); persist...
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void waitProposedEpochFromQuorum() throws InterruptedException, TimeoutException, IOException { ClusterConfiguration currentConfig = persistence.getLastSeenConfig(); long acknowledgedEpoch = persistence.getAckEpoch(); // Waits PROPOED_EPOCH from a quorum of peers in current configuraion. while (th...
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void proposeNewEpoch() throws IOException { long maxEpoch = persistence.getProposedEpoch(); int maxSyncTimeoutMs = getSyncTimeoutMs(); for (PeerHandler ph : this.quorumMap.values()) { if (ph.getLastProposedEpoch() > maxEpoch) { maxEpoch = ph.getLastProposedEpoch(); } if (ph.g...
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void broadcast(Iterator<String> peers, Message message) { transport.broadcast(peers, message); }
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void waitEpochAckFromQuorum() throws InterruptedException, TimeoutException { int ackCount = 0; // Waits the Ack from all other peers in the quorum set. while (ackCount < this.quorumMap.size()) { MessageTuple tuple = filter.getExpectedMessage(MessageType.ACK_EPOCH, ...
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String selectSyncHistoryOwner() throws IOException { // L.1.2 Select the history of a follwer f to be the initial history // of the new epoch. Follwer f is such that for every f' in the quorum, // f'.a < f.a or (f'.a == f.a && f'.zxid <= f.zxid). long ackEpoch = persistence.getAckEpoch(); Zxid...
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void synchronizeFromFollower(String peerId) throws IOException, TimeoutException, InterruptedException { LOG.debug("Begins synchronizing from follower {}.", peerId); Zxid lastZxid = persistence.getLatestZxid(); Message pullTxn = MessageBuilder.buildPullTxnReq(lastZxid); LOG.debug("Last zxid of {} ...
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void waitNewLeaderAckFromQuorum() throws TimeoutException, InterruptedException, IOException { LOG.debug("Waiting for synchronization to followers complete."); int completeCount = 0; Zxid lastZxid = persistence.getLatestZxid(); while (completeCount < this.quorumMap.size()) { // Here we shoul...
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void beginSynchronizing() throws IOException { // Synchronization is performed in other threads. Zxid lastZxid = persistence.getLatestZxid(); ClusterConfiguration clusterConfig = persistence.getLastSeenConfig(); long proposedEpoch = persistence.getProposedEpoch(); for (PeerHandler ph : this.quorumMa...
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void broadcasting() throws TimeoutException, InterruptedException, IOException, ExecutionException { // Initialization. broadcastingInit(); try { while (this.quorumMap.size() >= clusterConfig.getQuorumSize()) { MessageTuple tuple = filter.getMessage(config.getTimeoutMs()); ...
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private Zxid getNextProposedZxid() { if (lastProposedZxid.getEpoch() != establishedEpoch) { lastProposedZxid = new Zxid(establishedEpoch, -1); } lastProposedZxid = new Zxid(establishedEpoch, lastProposedZxid.getXid() + 1); return lastProposedZxid; }
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private static boolean isCompilationDisabledCondition(Expression condition) { Object conditionValue = condition.accept(new ConditionalCompilationConditionEvaluator(), null); return Boolean.FALSE.equals(conditionValue); }
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private static void includeColumnRecursive(List<OrcProto.Type> types, boolean[] result, int typeId) { result[typeId] = true; OrcProto.Type type = types.get(typeId); int children = type.getSubtypesCount(); for(int i...
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private static boolean[] findIncludedColumns(List<OrcProto.Type> types, Configuration conf) { String includedStr = conf.get(ColumnProjectionUtils.READ_COLUMN_IDS_CONF_STR); if (includedStr == null || includedStr.trim().length() == 0) { return null; ...
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@Override public void shutdown() throws InterruptedException { try { channel.close(); for(Map.Entry<String, Sender> entry: senders.entrySet()) { entry.getValue().shutdown(); } senders.clear(); for(Map.Entry<String, ChannelHandlerContext> entry: receivers.entrySet()...
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private List<Map.Entry<StreamName, BufferedStream>> cleanUpStreams() throws IOException { List<Map.Entry<StreamName, BufferedStream>> streamList = new ArrayList<Map.Entry<StreamName, BufferedStream>>(streams.size()); Map<StreamName, Integer> indexMap = new HashMap<StreamName, Integer>(streams.size()); ...
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@Override public Object next(Object previous) throws IOException { DoubleWritable result = null; if (valuePresent) { result = createWritable(previous, readDouble()); } return result; }
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public void fill(byte value) { int offset = 0; int length = size; long longValue = Longs.fromBytes(value, value, value, value, value, value, value, value); while (length >= SizeOf.SIZE_OF_LONG) { unsafe.putLong(base, address + offset, longValue); offset += Siz...
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public byte[] getBytes(int index, int length) { byte[] bytes = new byte[length]; getBytes(index, bytes, 0, length); return bytes; }
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public Slice slice(int index, int length) { if ((index == 0) && (length == length())) { return this; } checkIndexLength(index, length); if (length == 0) { return Slices.EMPTY_SLICE; } return new Slice(base, address + index, length, reference); ...
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@SuppressWarnings("ObjectEquality") public int compareTo(int offset, int length, Slice that, int otherOffset, int otherLength) { return compareTo(offset, length, that.base, otherOffset, otherLength); }
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synchronized void addWriter(final Path path, final long requestedAllocation, final Callback callback, final long initialAllocation) throws IOException { WriterInfo oldVal = writerList.get(path); // this should always be nu...
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synchronized void removeWriter(Path path) throws IOException { WriterInfo val = writerList.get(path); if (val != null) { LOG.info("Unregeristering writer for path " + path.toString()); writerList.remove(path); totalAllocation -= val.allocation; updateScale(false); } }
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private synchronized void notifyWriters() throws IOException { LOG.debug("Notifying writers after " + rowsAddedSinceCheck); for(WriterInfo writer: writerList.values()) { if (lowMemoryMode) { // If we're in low memory mode and a writer // 1) flushes twice in a row, mark it as needy ...
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protected void grow(int index) { if ((index * literalSize) + (literalSize - 1) >= data.length()) { int newSize = Math.max((index * literalSize) + defaultSize, 2 * data.length()); Slice newSlice = Slices.allocate(newSize); newSlice.setBytes(0, data); setData(newSlice); } }
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public static void read(FSDataInputStream file, long fileOffset, byte[] array, int arrayOffset, int length) throws IOException { file.seek(fileOffset); file.readFully(array, arrayOffset, length); }
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public static List<Method> findOverriddenMethods(MethodDeclaration md) { final List<Method> methods = new ArrayList<Method>(); collectOverriddenMethods(md, methods); return methods.isEmpty() ? Collections.<Method>emptyList() : Collections.unmodifiableList(methods); }
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private static boolean collectOverriddenMethods(MethodDeclaration md, /* Nullable */ List<Method> overriddenMethods) { final MethodSymbolData sdata = md.getSymbolData(); if (sdata == null || isStatic(sdata.getMethod()) || isPrivate(sdata.getMethod())) { return false; } e...
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private short readShort() throws IOException { latestRead = (short)SerializationUtils.readIntegerType(input, WriterImpl.SHORT_BYTE_SIZE, true, input.useVInts()); return latestRead; }
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public void broadcast(Iterator<String> peers, Message message) { while (peers.hasNext()) { send(peers.next(), message); } }
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private void addPreliminaryThis(Scope scope, Symbol symbol, TypeDeclaration type) { Symbol<TypeDeclaration> thisSymbol = new Symbol<TypeDeclaration>("this", symbol.getType(), type, ReferenceType.VARIABLE); thisSymbol.setInnerScope(scope); scope.addSymbol(thisSymbol); }
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protected MessageTuple getMessage(int timeoutMs) throws InterruptedException, TimeoutException { MessageTuple tuple = messageQueue.poll(timeoutMs, TimeUnit.MILLISECONDS); if (tuple == null) { throw new TimeoutException("Timeout while waiting for the message...
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protected MessageTuple getExpectedMessage(MessageType type, String source, int timeoutMs) throws TimeoutException, InterruptedException { int startTime = (int) (System.nanoTime() / 1000000); // Waits until the expected...
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private int getSizeOfIntArrays() { return (offsets.length + hashcodes.length + nexts.length + counts.length + indexStrides.length) * 4; }
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@Override public void clear() { // Subtract the amount of memory being used for the dictionary memoryEstimate.decrementDictionaryMemory(byteArray.size()); byteArray.clear(); // Add the new size memoryEstimate.incrementDictionaryMemory(byteArray.size()); htDictionary.clear(); // Make sure t...
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private void maybeIndexResource(String relPath, URL delegate) { if (!index.containsKey(relPath)) { index.put(relPath, delegate); if (relPath.endsWith(File.separator)) { maybeIndexResource(relPath.substring(0, relPath.length() - File.separator.length()), delegate); ...
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public static void writeLongToFile(long value, File file) throws IOException { // Create a temp file in the same directory as the file parameter. File temp = File.createTempFile(file.getName(), null, file.getAbsoluteFile().getParentFile()); try (FileOutputStream fos = new...
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public static void writePropertiesToFile(Properties prop, File file) throws IOException { // Create a temp file in the same directory as the file parameter. File temp = File.createTempFile(file.getName(), null, file.getAbsoluteFile().getParentFile()); try (FileOutpu...
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public static void atomicMove(File source, File dest) throws IOException { Files.move(source.toPath(), dest.toPath(), ATOMIC_MOVE, REPLACE_EXISTING); }
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public void send(ByteBuffer request, Object ctx) throws InvalidPhase, TooManyPendingRequests { this.mainThread.send(request, ctx); }
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public void flush(ByteBuffer request, Object ctx) throws InvalidPhase, TooManyPendingRequests { this.mainThread.flush(request, ctx); }
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public void remove(String peerId, Object ctx) throws InvalidPhase, TooManyPendingRequests { this.mainThread.remove(peerId, ctx); }
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protected long countNonNulls(long rows) throws IOException { if (present != null) { long result = 0; for(long c=0; c < rows; ++c) { if (present.next() == 1) { result += 1; } } return result; } else { return rows; } }
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public boolean nextIsNull(long currentRow) throws IOException { if (present != null) { seekToPresentRow(currentRow); valuePresent = present.next() == 1; if (valuePresent) { // Adjust numNonNulls so we know how many non-null values we'll need to skip if skip is // called num...
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protected void seekToPresentRow(long currentRow) throws IOException { if (currentRow != previousPresentRow + 1) { long rowInStripe = currentRow - rowBaseInStripe - 1; int rowIndexEntry = computeRowIndexEntry(currentRow); if (rowIndexEntry != computeRowIndexEntry(previousPresentRow) || cu...
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public Object get(long currentRow, Object previous) throws IOException { seekToRow(currentRow); return next(previous); }
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protected void seek(int rowIndexEntry, boolean backwards) throws IOException { if (backwards || rowIndexEntry != computeRowIndexEntry(previousRow)) { // initialize the previousPositionProvider previousRowIndexEntry = rowIndexEntry; // if the present stream exists and we are seeking backwards or to...
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protected boolean seekToRow(long currentRow) throws IOException { boolean seeked = false; // If this holds it means we checked if the row is null, and it was not, // and when we skipRows we don't want to skip this row. if (currentRow != previousPresentRow) { nextIsNull(currentRow); } if ...
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public int loadIndeces(List<RowIndexEntry> rowIndexEntries, int startIndex) { if (present != null) { return present.loadIndeces(rowIndexEntries, startIndex); } else { return startIndex; } }
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public int loadIndeces(List<RowIndexEntry> rowIndexEntries, int startIndex) { int updatedStartIndex = input.loadIndeces(rowIndexEntries, startIndex); int numIndeces = rowIndexEntries.size(); indeces = new int[numIndeces + 1]; int i = 0; for (RowIndexEntry rowIndexEntry : rowIndexEntries) { in...
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public int add(byte[] value, int valueOffset, int valueLength) { grow(length + valueLength); data.setBytes(length, value, valueOffset, valueLength); int result = length; length += valueLength; return result; }
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public void readAll(InputStream in) throws IOException { int read = 0; do { grow(length); read = data.setBytes(length, in, data.length() - length); if (read > 0) { length += read; } } while (in.available() > 0); }
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public void read(InputStream in, int lengthToRead) throws IOException { int read = 0; do { grow(length); read = data.setBytes(length, in, Math.min(lengthToRead, data.length() - length)); length += read; lengthToRead -= read; } while (lengthToRead > 0); }
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public int compare(byte[] other, int otherOffset, int otherLength, int ourOffset, int ourLength) { return 0 - data.compareTo(ourOffset, ourLength, other, otherOffset, otherLength); }
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public void setText(Text result, int offset, int length) { result.clear(); result.set(data.getBytes(), offset, length); }
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public void write(OutputStream out, int offset, int length) throws IOException { data.getBytes(offset, out, length); }
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long getAckEpoch() throws IOException { try { long ackEpoch = FileUtils.readLongFromFile(this.fAckEpoch); return ackEpoch; } catch (FileNotFoundException e) { LOG.debug("File not exist, initialize acknowledged epoch to -1"); return -1; } catch (IOException e) { LOG.error("IOExc...
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long getProposedEpoch() throws IOException { try { long pEpoch = FileUtils.readLongFromFile(this.fProposedEpoch); return pEpoch; } catch (FileNotFoundException e) { LOG.debug("File not exist, initialize acknowledged epoch to -1"); return -1; } catch (IOException e) { LOG.error(...
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ClusterConfiguration getLastSeenConfig() throws IOException { File file = getLatestFileWithPrefix(this.rootDir, "cluster_config"); if (file == null) { return null; } try { Properties prop = FileUtils.readPropertiesFromFile(file); return ClusterConfiguration.fromProperties(prop); } ...
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ClusterConfiguration getLastConfigWithin(Zxid zxid) throws IOException { String pattern = "cluster_config\\.\\d+_-?\\d+"; String zxidFileName = "cluster_config." + zxid.toSimpleString(); String lastFileName = null; for (File file : this.rootDir.listFiles()) { if (!file.isDirectory() && file.getNa...
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void setLastSeenConfig(ClusterConfiguration conf) throws IOException { String version = conf.getVersion().toSimpleString(); File file = new File(rootDir, String.format("cluster_config.%s", version)); FileUtils.writePropertiesToFile(conf.toProperties(), file); // Since the new config file gets created, w...
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File setSnapshotFile(File tempFile, Zxid zxid) throws IOException { File snapshot = new File(dataDir, String.format("snapshot.%s", zxid.toSimpleString())); LOG.debug("Atomically move snapshot file to {}", snapshot); FileUtils.atomicMove(tempFile, snapshot); // Since the new snapshot file gets crea...
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Zxid getSnapshotZxid() { File snapshot = getSnapshotFile(); if (snapshot == null) { return Zxid.ZXID_NOT_EXIST; } String fileName = snapshot.getName(); String strZxid = fileName.substring(fileName.indexOf('.') + 1); return Zxid.fromSimpleString(strZxid); }
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void endStateTransfer() throws IOException { File nextDir = getNextDataDir(); FileUtils.atomicMove(this.dataDir, nextDir); // Update current data directory. this.dataDir = nextDir; // Restores transaction log. this.log = createLog(dataDir); fsyncDirectory(); this.isTransferring = false; ...
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File getNextDataDir() { File latest = getLatestDataDir(); long newID; if (latest == null) { newID = 0; } else { newID = Long.parseLong(latest.getName().substring(4)) + 1; } String suffix = String.format("%015d", newID); return new File(this.rootDir, "data" + suffix); }
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void cleanupClusterConfigFiles() throws IOException { Zxid latestZxid = getLatestZxid(); List<File> files = getFilesWithPrefix(this.rootDir, "cluster_config"); if (files.isEmpty()) { LOG.error("There's no cluster_config files in log directory."); throw new RuntimeException("There's no cluster_co...
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public SymbolType withName(String name) { return clone(marker, name, arrayCount, typeVariable, null, null); }
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public static SymbolType typeVariableOf(final String typeVariable, final Class<Object> clazz) { return new SymbolType(clazz, typeVariable); }
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public static SymbolType typeVariableOf(final String typeVariable, List<SymbolType> upperBounds) { return new SymbolType(upperBounds, typeVariable); }
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private static SymbolType typeVariableOf(String typeVariable, final String name, final int arrayCount, final List<SymbolType> upperBounds, final List<SymbolType> lowerBounds) { return new SymbolType(name, arrayCount, upperBounds, lowerBounds, typeVariable); }
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public static SymbolType typeVariableOf(TypeVariable<?> typeVariable) throws InvalidTypeException { return valueOf(typeVariable, null).cloneAsTypeVariable(typeVariable.getName()); }
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public static SymbolType valueOf(Type type, SymbolType arg, Map<String, SymbolType> updatedTypeMapping, Map<String, SymbolType> typeMapping) throws InvalidTypeException { if (typeMapping == null) { typeMapping = Collections.emptyMap(); } SymbolType returnType = null; ...
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@Override public float nextFloat(boolean readStream) throws IOException, ValueNotPresentException { if (!readStream) { return latestRead; } if (!valuePresent) { throw new ValueNotPresentException("Cannot materialize float.."); } return readFloat(); }
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public static List<? extends Class<?> > intersectRawTypes(List<Class<?> > classes1, List<Class<?>> classes2) { // most typical case if (classes1.size() == 1 && classes2.size() == 1) { return intersectRawTypes(classes1.get(0), classes2.get(0)); } else { return list(removeS...
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public static List<? extends Class<?>> intersectRawTypes(Class<?> clazz1, Class<?> clazz2) { if (clazz2 == null) { clazz2 = Object.class; } if (clazz1 == null) { clazz1 = Object.class; } if (clazz1.isPrimitive()) { clazz1 = Types.getWrapperClass(clazz1.getName()); } ...
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@Override public void join(String peer) throws Exception { LOG.debug("Follower joins in."); try { LOG.debug("Query leader from {}", peer); Message query = MessageBuilder.buildQueryLeader(); MessageTuple tuple = null; while (true) { // The joiner might gets started before the cl...
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void sendProposedEpoch() throws IOException { Message message = MessageBuilder .buildProposedEpoch(persistence.getProposedEpoch(), persistence.getAckEpoch(), persistence.getLastSeenConfig(), ...
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void waitForNewEpoch() throws InterruptedException, TimeoutException, IOException { MessageTuple tuple = filter.getExpectedMessage(MessageType.NEW_EPOCH, this.electedLeader, config.getTimeoutMs()); Messag...
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void waitForNewLeaderMessage() throws TimeoutException, InterruptedException, IOException { LOG.debug("Waiting for New Leader message from {}.", this.electedLeader); MessageTuple tuple = filter.getExpectedMessage(MessageType.NEW_LEADER, this.electedLeader...
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void waitForCommitMessage() throws TimeoutException, InterruptedException, IOException { LOG.debug("Waiting for commit message from {}", this.electedLeader); MessageTuple tuple = filter.getExpectedMessage(MessageType.COMMIT, this.electedLeader, ...
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private void joinSynchronization() throws IOException, TimeoutException, InterruptedException { Message sync = MessageBuilder.buildSyncHistory(persistence.getLatestZxid()); sendMessage(this.electedLeader, sync); MessageTuple tuple = filter.getExpectedMessage(MessageType.SYNC_HISTORY_REPLY, elect...
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public static Reader createReader(FileSystem fs, Path path, Configuration conf ) throws IOException { return new ReaderImpl(fs, path, conf); }
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public static Writer createWriter(FileSystem fs, Path path, Configuration conf, ObjectInspector inspector, long stripeSize, CompressionKind ...
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private int compareKinds(Kind kind1, Kind kind2) { if (kind1 == Kind.LENGTH && kind2 == Kind.DATA) { return -1; } if (kind1 == Kind.DATA && kind2 == Kind.LENGTH) { return 1; } return kind1.compareTo(kind2); }
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protected void sendMessage(String dest, Message message) { if (LOG.isTraceEnabled()) { LOG.trace("Sends message {} to {}.", TextFormat.shortDebugString(message), dest); } this.transport.send(dest, message); }
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void waitForSyncEnd(String peerId) throws TimeoutException, IOException, InterruptedException { MessageTuple tuple = filter.getExpectedMessage(MessageType.SYNC_END, peerId, getSyncTimeoutMs()); ClusterCon...
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void restoreFromSnapshot() throws IOException { Zxid snapshotZxid = persistence.getSnapshotZxid(); LOG.debug("The last applied zxid in snapshot is {}", snapshotZxid); if (snapshotZxid != Zxid.ZXID_NOT_EXIST && lastDeliveredZxid == Zxid.ZXID_NOT_EXIST) { // Restores from snapshot only if the la...
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void deliverUndeliveredTxns() throws IOException { LOG.debug("Delivering all the undelivered txns after {}", lastDeliveredZxid); Zxid startZxid = new Zxid(lastDeliveredZxid.getEpoch(), lastDeliveredZxid.getXid() + 1); Log log = persistence.getLog(); try (Log.LogIterator iter = log.ge...
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protected void clearMessageQueue() { MessageTuple tuple = null; while ((tuple = messageQueue.poll()) != null) { Message msg = tuple.getMessage(); if (msg.getType() == MessageType.DISCONNECTED) { this.transport.clear(msg.getDisconnected().getServerId()); } else if (msg.getType() == Mess...
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protected int incSyncTimeout() { int syncTimeoutMs = getSyncTimeoutMs(); participantState.setSyncTimeoutMs(syncTimeoutMs * 2); LOG.debug("Increase the sync timeout to {}", getSyncTimeoutMs()); return syncTimeoutMs; }
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protected void adjustSyncTimeout(int timeoutMs) { int timeoutSec = (timeoutMs + 999) / 1000; // Finds out the smallest timeout which is powers of 2 and larger than // timeoutMs. for (int i = 0; i < 32; ++i) { if ((1 << i) >= timeoutSec) { LOG.debug("Adjust timeout to {} sec", 1 << i); ...
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void initFromDir() { for (File file : this.logDir.listFiles()) { if (!file.isDirectory() && file.getName().matches("transaction\\.\\d+_\\d+")) { // Appends the file with valid name to log file list. this.logFiles.add(file); } } if (!this.logFiles.isEmpty()) { // S...
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int getFileIdx(Zxid zxid) { if (logFiles.isEmpty() || zxid.compareTo(getZxidFromFileName(logFiles.get(0))) < 0) { // If there's no log files or the zxid is smaller than the smallest zxid // of the rolling log, returns -1. return -1; } int idx = 0; while (idx < logFiles.size() -...
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Zxid getZxidFromFileName(File file) { String fileName = file.getName(); String strZxid = fileName.substring(fileName.indexOf('.') + 1); return Zxid.fromSimpleString(strZxid); }
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SimpleLog getLastLog() throws IOException { if (logFiles.isEmpty()) { return null; } return new SimpleLog(logFiles.get(logFiles.size() - 1)); }
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