Example usage for java.nio ByteBuffer putInt

List of usage examples for java.nio ByteBuffer putInt

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Introduction

In this page you can find the example usage for java.nio ByteBuffer putInt.

Prototype

public abstract ByteBuffer putInt(int value);

Source Link

Document

Writes the given int to the current position and increases the position by 4.

Usage

From source file:com.linkedin.pinot.core.startree.MmapLinkedListStarTreeTable.java

@Override
protected ByteBuffer toByteBuffer(StarTreeTableRow row) {
    ByteBuffer buffer = getNextBuffer();

    for (int i = 0; i < dimensionTypes.size(); i++) {
        buffer.putInt(row.getDimensions().get(i));
    }//from   w  w  w . j a va2 s  . c o m

    for (int i = 0; i < metricTypes.size(); i++) {
        switch (metricTypes.get(i)) {
        case SHORT:
            buffer.putShort(row.getMetrics().get(i).shortValue());
            break;
        case INT:
            buffer.putInt(row.getMetrics().get(i).intValue());
            break;
        case LONG:
            buffer.putLong(row.getMetrics().get(i).longValue());
            break;
        case FLOAT:
            buffer.putFloat(row.getMetrics().get(i).floatValue());
            break;
        case DOUBLE:
            buffer.putDouble(row.getMetrics().get(i).doubleValue());
            break;
        default:
            throw new IllegalArgumentException("Unsupported metric type " + metricTypes.get(i));
        }
    }

    return buffer;
}

From source file:org.apache.jackrabbit.oak.plugins.document.persistentCache.BroadcastTest.java

private static void listen() throws InterruptedException {
    String config = "key 123";

    ConsoleAppender<ILoggingEvent> ca = new ConsoleAppender<ILoggingEvent>();
    LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
    ca.setContext(lc);/*from   w w w  .j a v a2 s  .  co m*/
    PatternLayout pl = new PatternLayout();
    pl.setPattern("%msg%n");
    pl.setContext(lc);
    pl.start();
    ca.setLayout(pl);
    ca.start();

    ch.qos.logback.classic.Logger logger = (ch.qos.logback.classic.Logger) LoggerFactory
            .getLogger(TCPBroadcaster.class);
    logger.addAppender(ca);
    logger.setLevel(Level.DEBUG);

    TCPBroadcaster receiver = new TCPBroadcaster(config);
    receiver.addListener(new Broadcaster.Listener() {

        @Override
        public void receive(ByteBuffer buff) {
            int end = buff.position();
            StringBuilder sb = new StringBuilder();
            while (buff.remaining() > 0) {
                char c = (char) buff.get();
                if (c >= ' ' && c < 128) {
                    sb.append(c);
                } else if (c <= 9) {
                    sb.append((char) ('0' + c));
                } else {
                    sb.append('.');
                }
            }
            String dateTime = new Timestamp(System.currentTimeMillis()).toString().substring(0, 19);
            System.out.println(dateTime + " Received " + sb);
            buff.position(end);
        }

    });
    Random r = new Random();
    int x = r.nextInt();
    System.out.println("Sending " + x);
    for (int i = 0; i < 10; i++) {
        Thread.sleep(10);
        ByteBuffer buff = ByteBuffer.allocate(1024);
        buff.putInt(0);
        buff.putInt(x);
        buff.put(new byte[100]);
        buff.flip();
        receiver.send(buff);
        if (!receiver.isRunning()) {
            System.out.println("Did not start or already stopped");
            break;
        }
    }
    Thread.sleep(Integer.MAX_VALUE);
}

From source file:edu.umass.cs.gigapaxos.paxospackets.AcceptPacket.java

@Override
public synchronized byte[] toBytes() {
    long t = System.nanoTime();
    if (!(PaxosPacket.BYTEIFICATION && IntegerMap.allInt()))
        return super.toBytes();

    if (this.getByteifiedSelf() != null)
        return this.getByteifiedSelf();

    // else construct
    byte[] buf = super.toBytes(false);
    byte[] bytes = new byte[buf.length
            // ProposalPacket.slot
            + SIZEOF_PROPOSAL//ww  w. jav  a2 s  . com
            // PValuePacket:ballot, recovery, medianCheckpointedSlot,
            // noCoalesce
            + SIZEOF_PVALUE
            // AcceptPacket.sender
            + SIZEOF_ACCEPT];
    ByteBuffer bbuf = ByteBuffer.wrap(bytes);

    // request
    bbuf.put(buf);
    // proposal
    bbuf.putInt(this.slot)
            // pvalue
            .putInt(this.ballot.ballotNumber).putInt(this.ballot.coordinatorID)
            .put(this.isRecovery() ? (byte) 1 : 0).putInt(this.getMedianCheckpointedSlot()).put((byte) 0)
            // accept
            .putInt(this.sender);

    assert (bbuf.remaining() == 0); // exact alignment

    this.setByteifiedSelf(bytes);

    if (PaxosMessenger.INSTRUMENT_SERIALIZATION && Util.oneIn(100))
        DelayProfiler.updateDelayNano("accept->", t, this.batchSize() + 1);

    return bytes;
}

From source file:org.ros.android.android_acm_serial.AcmDevice.java

public void setLineCoding(BitRate bitRate, StopBits stopBits, Parity parity, DataBits dataBits) {
    ByteBuffer buffer = ByteBuffer.allocate(7);
    buffer.order(ByteOrder.LITTLE_ENDIAN);
    buffer.putInt(bitRate.getBitRate());
    buffer.put(stopBits.getStopBits());// w ww. j  a  va 2  s  .co  m
    buffer.put(parity.getParity());
    buffer.put(dataBits.getDataBits());
    setLineCoding(buffer.array());
}

From source file:org.apache.bookkeeper.replication.BookieLedgerIndexTest.java

private LedgerHandle createAndAddEntriesToLedger() throws BKException, InterruptedException {
    int numEntriesToWrite = 20;
    // Create a ledger
    LedgerHandle lh = bkc.createLedger(digestType, "admin".getBytes());
    LOG.info("Ledger ID: " + lh.getId());
    for (int i = 0; i < numEntriesToWrite; i++) {
        ByteBuffer entry = ByteBuffer.allocate(4);
        entry.putInt(rng.nextInt(Integer.MAX_VALUE));
        entry.position(0);/*from ww  w.  j ava 2s  . com*/

        entries.add(entry.array());
        lh.addEntry(entry.array());
    }
    ledgerList.add(lh.getId());
    return lh;
}

From source file:com.openteach.diamond.network.waverider.command.Command.java

/**
 * ByteBuffer/*from www  . j ava  2 s  . c o  m*/
 * @return
 */
public ByteBuffer marshall() {
    int length = getSize();
    ByteBuffer buffer = ByteBuffer.allocate(length);
    buffer.putLong(type);
    buffer.putInt(length);
    buffer.put(payLoad);
    buffer.flip();
    payLoad.clear();
    return buffer;
}

From source file:org.spoutcraft.client.packet.PacketEntityInformation.java

public PacketEntityInformation(List<Entity> entities) {
    ByteBuffer tempbuffer = ByteBuffer.allocate(entities.size() * 4);
    for (Entity e : entities) {
        tempbuffer.putInt(e.getEntityId());
    }/*from  w ww .  j a  v  a  2 s .  c o  m*/
    data = tempbuffer.array();
}

From source file:net.jenet.Header.java

public void toBuffer(ByteBuffer buffer) {
    buffer.putShort(peerID);//from  w  w w.j a  v a 2s .c o  m
    buffer.put(flags);
    buffer.put(commandCount);
    buffer.putInt(sentTime);
    buffer.putInt(challenge);
}

From source file:org.hobbit.core.components.AbstractSystemAdapter.java

/**
 * This method sends the given result data for the task with the given task id
 * to the evaluation storage./*from   ww w . j  a va 2  s.  co  m*/
 *
 * @param taskIdString
 *            the id of the task
 * @param data
 *            the data of the task
 * @throws IOException
 *             if there is an error during the sending
 */
protected void sendResultToEvalStorage(String taskIdString, byte[] data) throws IOException {
    byte[] taskIdBytes = taskIdString.getBytes(Charsets.UTF_8);
    // + 4 for taskIdBytes.length
    // + 4 for data.length
    int capacity = 4 + 4 + taskIdBytes.length + data.length;
    ByteBuffer buffer = ByteBuffer.allocate(capacity);
    buffer.putInt(taskIdBytes.length);
    buffer.put(taskIdBytes);
    buffer.putInt(data.length);
    buffer.put(data);
    sender2EvalStore.sendData(buffer.array());
}

From source file:tor.Cell.java

public byte[] getBytes(int protocolVersion) {
    byte cell[];//from   ww w  . j a v  a2  s  .  co  m

    if (cmdId == 7 || cmdId >= 128)
        cell = new byte[(protocolVersion < 4 ? 3 : 5) + 2 + payload.length];
    else
        cell = new byte[protocolVersion < 4 ? 512 : 514];

    ByteBuffer buf = ByteBuffer.wrap(cell);
    buf.order(ByteOrder.BIG_ENDIAN);
    if (protocolVersion < 4)
        buf.putShort((short) circId);
    else
        buf.putInt((int) circId);
    buf.put((byte) cmdId);

    if (cmdId == 7 || cmdId >= 128)
        buf.putShort((short) payload.length);

    if (payload != null)
        buf.put(payload);
    //System.out.println("Sending:" + byteArrayToHex(cell));
    return cell;
}