List of usage examples for java.io DataOutputStream writeLong
public final void writeLong(long v) throws IOException
long to the underlying output stream as eight bytes, high byte first. From source file:org.apache.fontbox.ttf.TTFSubFont.java
private static void writeLongDateTime(DataOutputStream dos, Calendar calendar) throws IOException { // inverse operation of TTFDataStream.readInternationalDate() GregorianCalendar cal = new GregorianCalendar(1904, 0, 1); long millisFor1904 = cal.getTimeInMillis(); long secondsSince1904 = (calendar.getTimeInMillis() - millisFor1904) / 1000L; dos.writeLong(secondsSince1904); }
From source file:com.yahoo.omid.tso.persistence.BookKeeperStateLogger.java
/** * Initializes this logger object to add records. Implements the initialize * method of the StateLogger interface./* w w w . j a v a 2 s . com*/ * * @param cb * @param ctx */ @Override public void initialize(final LoggerInitCallback cb, Object ctx) throws LoggerException { TSOServerConfig config = ((BookKeeperStateBuilder.Context) ctx).config; /* * Create new ledger for adding records */ try { bk = new BookKeeper(new ClientConfiguration(), zk); } catch (Exception e) { LOG.error("Exception while initializing bookkeeper", e); throw new LoggerException.BKOpFailedException(); } bk.asyncCreateLedger(config.getEnsembleSize(), config.getQuorumSize(), BookKeeper.DigestType.CRC32, "flavio was here".getBytes(), new CreateCallback() { @Override public void createComplete(int rc, LedgerHandle lh, Object ctx) { if (rc == BKException.Code.OK) { try { BookKeeperStateLogger.this.lh = lh; ByteArrayOutputStream bos = new ByteArrayOutputStream(); DataOutputStream dos = new DataOutputStream(bos); dos.writeLong(lh.getId()); zk.create(LoggerConstants.OMID_LEDGER_ID_PATH, bos.toByteArray(), Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT, new LedgerIdCreateCallback(cb, bos.toByteArray()), ctx); } catch (IOException e) { LOG.error("Failed to write to zookeeper. ", e); cb.loggerInitComplete(Code.BKOPFAILED, BookKeeperStateLogger.this, ctx); } } else { LOG.error("Failed to create ledger. " + BKException.getMessage(rc)); cb.loggerInitComplete(Code.BKOPFAILED, BookKeeperStateLogger.this, ctx); } } }, ctx); }
From source file:org.apache.hadoop.dfs.TestBlockReplacement.java
private boolean replaceBlock(Block block, DatanodeInfo source, DatanodeInfo sourceProxy, DatanodeInfo destination) throws IOException { Socket sock = new Socket(); sock.connect(NetUtils.createSocketAddr(sourceProxy.getName()), FSConstants.READ_TIMEOUT); sock.setKeepAlive(true);//w ww . j a va 2s.co m // sendRequest DataOutputStream out = new DataOutputStream(sock.getOutputStream()); out.writeShort(FSConstants.DATA_TRANSFER_VERSION); out.writeByte(FSConstants.OP_COPY_BLOCK); out.writeLong(block.getBlockId()); out.writeLong(block.getGenerationStamp()); Text.writeString(out, source.getStorageID()); destination.write(out); out.flush(); // receiveResponse DataInputStream reply = new DataInputStream(sock.getInputStream()); short status = reply.readShort(); if (status == FSConstants.OP_STATUS_SUCCESS) { return true; } return false; }
From source file:org.apache.hadoop.hbase.io.hfile.TestFixedFileTrailer.java
private void serializeAsWritable(DataOutputStream output, FixedFileTrailer fft) throws IOException { BlockType.TRAILER.write(output);//from w w w. j a va2 s .c om output.writeLong(fft.getFileInfoOffset()); output.writeLong(fft.getLoadOnOpenDataOffset()); output.writeInt(fft.getDataIndexCount()); output.writeLong(fft.getUncompressedDataIndexSize()); output.writeInt(fft.getMetaIndexCount()); output.writeLong(fft.getTotalUncompressedBytes()); output.writeLong(fft.getEntryCount()); output.writeInt(fft.getCompressionCodec().ordinal()); output.writeInt(fft.getNumDataIndexLevels()); output.writeLong(fft.getFirstDataBlockOffset()); output.writeLong(fft.getLastDataBlockOffset()); Bytes.writeStringFixedSize(output, fft.getComparatorClassName(), MAX_COMPARATOR_NAME_LENGTH); output.writeInt(FixedFileTrailer.materializeVersion(fft.getMajorVersion(), fft.getMinorVersion())); }
From source file:com.facebook.infrastructure.db.Column.java
public void serialize(IColumn column, DataOutputStream dos) throws IOException { dos.writeUTF(column.name());//from w w w .j a v a2 s . co m dos.writeBoolean(column.isMarkedForDelete()); dos.writeLong(column.timestamp()); dos.writeInt(column.value().length); dos.write(column.value()); }
From source file:org.csc.phynixx.loggersystem.logrecord.XADataLogger.java
/** * start sequence writes the ID of the XADataLogger to identify the content * of the logger// ww w. j av a 2s . c om * * @param dataRecorder * DataRecorder that uses /operates on the current physical * logger * * * deprecated */ private void writeStartSequence(IXADataRecorder dataRecorder) throws IOException, InterruptedException { ByteArrayOutputStream byteOut = new ByteArrayOutputStream(); try { DataOutputStream dos = new DataOutputStream(byteOut); dos.writeLong(dataRecorder.getXADataRecorderId()); dos.flush(); } finally { if (byteOut != null) { IOUtils.closeQuietly(byteOut); } } byte[][] startSequence = new byte[1][]; startSequence[0] = byteOut.toByteArray(); this.dataLogger.write(XALogRecordType.USER.getType(), startSequence); }
From source file:org.veronicadb.core.memorygraph.storage.SimpleLocalFileStorageSink.java
protected void writeElementId(long id, DataOutputStream stream) throws IOException { stream.writeLong(id); }
From source file:org.apache.cassandra.db.ReadCommand.java
public void serialize(ReadCommand rm, DataOutputStream dos) throws IOException { dos.writeUTF(rm.table);//from ww w . j a va2s.c o m dos.writeUTF(rm.key); dos.writeUTF(rm.columnFamilyColumn); dos.writeInt(rm.start); dos.writeInt(rm.count); dos.writeLong(rm.sinceTimestamp); dos.writeBoolean(rm.isDigestQuery()); dos.writeInt(rm.columnNames.size()); if (rm.columnNames.size() > 0) { for (String cName : rm.columnNames) { dos.writeInt(cName.getBytes().length); dos.write(cName.getBytes()); } } }
From source file:org.eclipse.gyrex.cloud.internal.queue.Message.java
public byte[] toByteArray() throws IOException { final ByteArrayOutputStream bos = new ByteArrayOutputStream(); final DataOutputStream dos = new DataOutputStream(bos); try {//from w w w .j av a 2 s. com dos.writeInt(1); // serialized format version dos.writeLong(invisibleTimeoutTS); // invisible timeout dos.writeInt(body.length); // body size dos.write(body); // body return bos.toByteArray(); } finally { IOUtils.closeQuietly(dos); } }
From source file:org.apache.hadoop.hdfs.server.datanode.TestBlockReplacement.java
private boolean replaceBlock(Block block, DatanodeInfo source, DatanodeInfo sourceProxy, DatanodeInfo destination) throws IOException { Socket sock = new Socket(); sock.connect(NetUtils.createSocketAddr(destination.getName()), HdfsConstants.READ_TIMEOUT); sock.setKeepAlive(true);/*from w ww. ja v a2s . co m*/ // sendRequest DataOutputStream out = new DataOutputStream(sock.getOutputStream()); out.writeShort(DataTransferProtocol.DATA_TRANSFER_VERSION); out.writeByte(DataTransferProtocol.OP_REPLACE_BLOCK); out.writeLong(block.getBlockId()); out.writeLong(block.getGenerationStamp()); Text.writeString(out, source.getStorageID()); sourceProxy.write(out); BlockTokenSecretManager.DUMMY_TOKEN.write(out); out.flush(); // receiveResponse DataInputStream reply = new DataInputStream(sock.getInputStream()); short status = reply.readShort(); if (status == DataTransferProtocol.OP_STATUS_SUCCESS) { return true; } return false; }