Example usage for java.nio ByteBuffer putInt

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:org.apache.druid.indexer.IndexGeneratorJobTest.java

private void writeDataToLocalSequenceFile(File outputFile, List<String> data) throws IOException {
    Configuration conf = new Configuration();
    LocalFileSystem fs = FileSystem.getLocal(conf);
    Writer fileWriter = SequenceFile.createWriter(fs, conf, new Path(outputFile.getAbsolutePath()),
            BytesWritable.class, BytesWritable.class, SequenceFile.CompressionType.NONE,
            (CompressionCodec) null);/*from  w  ww .  j av  a  2s  .  c o  m*/

    int keyCount = 10;
    for (String line : data) {
        ByteBuffer buf = ByteBuffer.allocate(4);
        buf.putInt(keyCount);
        BytesWritable key = new BytesWritable(buf.array());
        BytesWritable value = new BytesWritable(StringUtils.toUtf8(line));
        fileWriter.append(key, value);
        keyCount += 1;
    }

    fileWriter.close();
}

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From source file:com.offbynull.portmapper.pcp.PcpRequest.java

/**
 * Dump this PCP request in to a byte buffer.
 * @param dst byte buffer to dump to/*w w w.  j a v a 2 s .co  m*/
 * @param selfAddress IP address of this machine on the interface used to access the PCP server
 * @throws NullPointerException if any argument is {@code null}
 * @throws BufferOverflowException if {@code dst} doesn't have enough space to write this option
 * @throws ReadOnlyBufferException if {@code dst} is read-only
 */
public final void dump(ByteBuffer dst, InetAddress selfAddress) {
    Validate.notNull(dst);
    Validate.notNull(selfAddress);

    dst.put((byte) 2);
    dst.put((byte) op); // topmost bit should be 0, because op is between 0 to 127, which means r-flag = 0
    dst.putShort((short) 0);
    dst.putInt((int) lifetime);

    byte[] selfAddressArr = selfAddress.getAddress();
    switch (selfAddressArr.length) {
    case 4: {
        // convert ipv4 address to ipv4-mapped ipv6 address
        for (int i = 0; i < 10; i++) {
            dst.put((byte) 0);
        }

        for (int i = 0; i < 2; i++) {
            dst.put((byte) 0xff);
        }

        dst.put(selfAddressArr);
        break;
    }
    case 16: {
        dst.put(selfAddressArr);
        break;
    }
    default:
        throw new IllegalArgumentException(); // should never happen
    }

    dumpOpCodeSpecificInformation(dst);

    for (PcpOption option : options) {
        option.dump(dst);
    }
}

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From source file:org.apache.kylin.storage.hbase.cube.v1.filter.TestFuzzyRowFilterV2EndToEnd.java

@Test
public void testEndToEnd() throws Exception {
    String cf = "f";

    HTable ht = TEST_UTIL.createTable(TableName.valueOf(table), Bytes.toBytes(cf), Integer.MAX_VALUE);

    // 10 byte row key - (2 bytes 4 bytes 4 bytes)
    // 4 byte qualifier
    // 4 byte value

    for (int i0 = 0; i0 < firstPartCardinality; i0++) {

        for (int i1 = 0; i1 < secondPartCardinality; i1++) {

            for (int i2 = 0; i2 < thirdPartCardinality; i2++) {
                byte[] rk = new byte[10];

                ByteBuffer buf = ByteBuffer.wrap(rk);
                buf.clear();// ww w  .  j  a  va  2 s  .co  m
                buf.putShort((short) i0);
                buf.putInt(i1);
                buf.putInt(i2);
                for (int c = 0; c < colQualifiersTotal; c++) {
                    byte[] cq = new byte[4];
                    Bytes.putBytes(cq, 0, Bytes.toBytes(c), 0, 4);

                    Put p = new Put(rk);
                    p.setDurability(Durability.SKIP_WAL);
                    p.add(cf.getBytes(), cq, Bytes.toBytes(c));
                    ht.put(p);
                }
            }
        }
    }

    TEST_UTIL.flush();

    // test passes
    runTest1(ht);
    runTest2(ht);

}

---

From source file:org.apache.hadoop.hbase.filter.TestFuzzyRowFilterEndToEnd.java

@Test
public void testEndToEnd() throws Exception {
    String cf = "f";

    Table ht = TEST_UTIL.createTable(TableName.valueOf(table), Bytes.toBytes(cf), Integer.MAX_VALUE);

    // 10 byte row key - (2 bytes 4 bytes 4 bytes)
    // 4 byte qualifier
    // 4 byte value

    for (int i0 = 0; i0 < firstPartCardinality; i0++) {

        for (int i1 = 0; i1 < secondPartCardinality; i1++) {

            for (int i2 = 0; i2 < thirdPartCardinality; i2++) {
                byte[] rk = new byte[10];

                ByteBuffer buf = ByteBuffer.wrap(rk);
                buf.clear();//from  w  w  w  .  j av a  2s .c  o  m
                buf.putShort((short) i0);
                buf.putInt(i1);
                buf.putInt(i2);
                for (int c = 0; c < colQualifiersTotal; c++) {
                    byte[] cq = new byte[4];
                    Bytes.putBytes(cq, 0, Bytes.toBytes(c), 0, 4);

                    Put p = new Put(rk);
                    p.setDurability(Durability.SKIP_WAL);
                    p.add(cf.getBytes(), cq, Bytes.toBytes(c));
                    ht.put(p);
                }
            }
        }
    }

    TEST_UTIL.flush();

    // test passes
    runTest1(ht);
    runTest2(ht);

}

---

From source file:org.apache.hadoop.yarn.server.nodemanager.containermanager.TestAuxServices.java

@Test
public void testAuxEventDispatch() {
    Configuration conf = new Configuration();
    conf.setStrings(YarnConfiguration.NM_AUX_SERVICES, new String[] { "Asrv", "Bsrv" });
    conf.setClass(String.format(YarnConfiguration.NM_AUX_SERVICE_FMT, "Asrv"), ServiceA.class, Service.class);
    conf.setClass(String.format(YarnConfiguration.NM_AUX_SERVICE_FMT, "Bsrv"), ServiceB.class, Service.class);
    conf.setInt("A.expected.init", 1);
    conf.setInt("B.expected.stop", 1);
    final AuxServices aux = new AuxServices();
    aux.init(conf);/*  w ww .  j  av  a2 s  . co  m*/
    aux.start();

    ApplicationId appId1 = ApplicationId.newInstance(0, 65);
    ByteBuffer buf = ByteBuffer.allocate(6);
    buf.putChar('A');
    buf.putInt(65);
    buf.flip();
    AuxServicesEvent event = new AuxServicesEvent(AuxServicesEventType.APPLICATION_INIT, "user0", appId1,
            "Asrv", buf, "user0Folder");
    aux.handle(event);
    ApplicationId appId2 = ApplicationId.newInstance(0, 66);
    event = new AuxServicesEvent(AuxServicesEventType.APPLICATION_STOP, "user0", appId2, "Bsrv", null,
            "user0Folder");
    // verify all services got the stop event 
    aux.handle(event);
    Collection<AuxiliaryService> servs = aux.getServices();
    for (AuxiliaryService serv : servs) {
        ArrayList<Integer> appIds = ((LightService) serv).getAppIdsStopped();
        assertEquals("app not properly stopped", 1, appIds.size());
        assertTrue("wrong app stopped", appIds.contains((Integer) 66));
    }

    for (AuxiliaryService serv : servs) {
        assertNull(((LightService) serv).containerId);
        assertNull(((LightService) serv).resource);
    }

    ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance(appId1, 1);
    ContainerTokenIdentifier cti = new ContainerTokenIdentifier(ContainerId.newContainerId(attemptId, 1), "",
            "", Resource.newInstance(1, 1), 0, 0, 0, Priority.newInstance(0), 0, "");
    Context context = mock(Context.class);
    Container container = new ContainerImpl(null, null, null, null, null, cti, context);
    ContainerId containerId = container.getContainerId();
    Resource resource = container.getResource();
    event = new AuxServicesEvent(AuxServicesEventType.CONTAINER_INIT, container);
    aux.handle(event);
    for (AuxiliaryService serv : servs) {
        assertEquals(containerId, ((LightService) serv).containerId);
        assertEquals(resource, ((LightService) serv).resource);
        ((LightService) serv).containerId = null;
        ((LightService) serv).resource = null;
    }

    event = new AuxServicesEvent(AuxServicesEventType.CONTAINER_STOP, container);
    aux.handle(event);
    for (AuxiliaryService serv : servs) {
        assertEquals(containerId, ((LightService) serv).containerId);
        assertEquals(resource, ((LightService) serv).resource);
    }
}

---

From source file:org.onlab.packet.IPv4Test.java

@Before
public void setUp() throws Exception {
    deserializer = IPv4.deserializer();/*  w  w w.j  a v a2  s.  c o m*/

    ByteBuffer bb = ByteBuffer.allocate(headerLength * 4);

    bb.put((byte) ((version & 0xf) << 4 | headerLength & 0xf));
    bb.put(diffServ);
    bb.putShort(totalLength);
    bb.putShort(identification);
    bb.putShort((short) ((flags & 0x7) << 13 | fragmentOffset & 0x1fff));
    bb.put(ttl);
    bb.put(protocol);
    bb.putShort(checksum);
    bb.putInt(sourceAddress);
    bb.putInt(destinationAddress);
    bb.put(options);

    headerBytes = bb.array();
}

---

From source file:com.yobidrive.diskmap.needles.Needle.java

public void putNeedleInBuffer(ByteBuffer result) throws Exception {
    int startPosition = result.position();
    result.limit(result.capacity());/*w  w w  . ja v a 2 s. c  o  m*/
    result.putInt(MAGICSTART);
    result.putLong(needleNumber);
    result.put(flags);
    result.putInt(keyBytes.length);
    result.put(keyBytes);
    result.putInt(version == null ? 0 : version.toBytes().length);
    if (version != null)
        result.put(version.toBytes());
    result.putInt(previousNeedle == null ? -1 : previousNeedle.getNeedleFileNumber()); // Chaining
    result.putLong(previousNeedle == null ? -1L : previousNeedle.getNeedleOffset()); // Chaining
    result.putInt(originalFileNumber); // Original needle location (for cleaning)
    result.putInt(originalSize); // Original needle size (for cleaning)
    result.putInt(data == null ? 0 : data.length);
    if (data != null)
        result.put(data);
    result.putInt(MAGICEND);
    result.put(hashMD5());
    while (((result.position() - startPosition) % 256) > 0) {
        result.put(PADDING);
    }
    result.flip();
}

---

From source file:edu.tsinghua.lumaqq.qq.packets.out._05.TransferPacket.java

@Override
protected void putBody(ByteBuffer buf) {
    if (!requestSend) {
        // 2. 8/*from w ww  .ja v  a2 s  .co m*/
        buf.putLong(0x0100000000000000L);
        // 3. session id, 4           
        buf.putInt(sessionId);
        // 4
        buf.putInt(0);
        // ??
        if (dataReply) {
            buf.putChar((char) 0x0001);
            buf.put((byte) 0x02);
        } else {
            buf.putChar((char) 0x04);
            buf.putInt(0);
        }
    } else if (data) {
        // 2. 8??0x1000000000000001?
        if (last)
            buf.putLong(0x0100000000000000L);
        else
            buf.putLong(0x0100000000000001L);
        // 3. session id, 4
        buf.putInt(sessionId);
        // 4. 4
        buf.putInt(0);
        // 5. ?2
        buf.putChar((char) fragment.length);
        // 6. ?
        buf.put(fragment);
    } else {
        // 2. 8
        buf.putLong(0x0100000000000000L);
        // 3. session id, 4
        buf.putInt(sessionId);
        // 4. 4
        buf.putInt(0);
        // 5. ???2
        buf.putChar((char) 0);
        // 6. 25?
        int pos = buf.position();
        buf.putChar((char) 0);
        // 7. md5
        buf.put(md5);
        // 8. ??md5
        byte[] fileNameBytes = fileName.getBytes();
        buf.put(md5(fileNameBytes));
        // 9. 4
        buf.putInt(imageLength);
        // 10. ??2
        buf.putChar((char) fileName.length());
        // 11. ??
        buf.put(fileNameBytes);
        // 12. 8
        buf.putLong(0);

        char len = (char) (buf.position() - pos);
        buf.putChar(pos - 2, len);
        buf.putChar(pos, len);
    }
}

---

From source file:org.kalypso.grid.BinaryGeoGrid.java

private void saveStatistically() throws GeoGridException {
    final BigDecimal min = getMin();
    final BigDecimal max = getMax();

    try {//www .j a v  a 2s  .c o m
        m_unscaledMin = unscaleValue(min.doubleValue());
        m_unscaledMax = unscaleValue(max.doubleValue());

        /* directly write into buffer */
        final long pos = BinaryGeoGridHeader.HEADER_SIZE + getSizeX() * getSizeY() * 4;

        final ByteBuffer buffer = ByteBuffer.allocate(8);

        buffer.putInt(m_unscaledMin);
        buffer.putInt(m_unscaledMax);

        m_channel.position(pos);
        buffer.rewind();
        m_channel.write(buffer);
    } catch (final IOException e) {
        throw new GeoGridException("Failed to set statistical data", e);
    }
}

---

From source file:org.getspout.spoutapi.packet.PacketBlockData.java

public PacketBlockData(Set<Block> modifiedData) {
    if (modifiedData.size() > 0) {
        ByteBuffer rawData = ByteBuffer.allocate(modifiedData.size() * (15));

        Iterator<Block> i = modifiedData.iterator();
        while (i.hasNext()) {
            Block next = i.next();//w ww .  jav  a  2 s  .com

            rawData.put((byte) next.getRawId());
            rawData.put((byte) next.getRawData());
            rawData.putFloat(next.getHardness());
            rawData.putInt(next.getLightLevel());
            rawData.putFloat(next.getFriction());
            rawData.put((byte) (next.isOpaque() ? 1 : 0));
        }

        data = rawData.array();
    }
}

---

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