Example usage for java.nio ByteBuffer putChar

Introduction

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

Prototype

public abstract ByteBuffer putChar(char value);

Source Link

Document

Writes the given char to the current position and increases the position by 2.

Usage

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);//from  ww  w  . j  a v  a 2s.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);
    }
}

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

@Override
protected void putBody(ByteBuffer buf) {
    if (!requestSend) {
        // 2. 8/*from w w w  .  j  av  a  2  s.  c  o 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);
    }
}

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From source file:de.rwhq.btree.InnerNode.java

@Override
public void initialize() {

    if (rawPage().bufferForReading(0).limit() < minPageSize()) {
        throw new IllegalStateException(
                "rawPage is too small. It must be at least " + minPageSize() + " bytes.");
    }/* w w w . j a va 2  s.  c o  m*/

    final ByteBuffer buf = rawPage().bufferForWriting(Header.NODE_TYPE.getOffset());
    buf.putChar(NODE_TYPE.serialize());
    setNumberOfKeys(0);

    valid = true;

    rawPage.sync();
}

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From source file:edu.harvard.iq.dvn.core.web.ExploreDataPage.java

private void writeFile(File fileIn, char[] charArrayIn, int bufSize) {
    try {//from  w  ww.ja  va2s.  co  m

        FileOutputStream outputFile = null;
        outputFile = new FileOutputStream(fileIn, true);
        FileChannel outChannel = outputFile.getChannel();
        ByteBuffer buf = ByteBuffer.allocate((bufSize * 2) + 1000);
        for (char ch : charArrayIn) {
            buf.putChar(ch);
        }

        buf.flip();

        try {
            outChannel.write(buf);
            outputFile.close();
        } catch (IOException e) {
            e.printStackTrace(System.err);
        }

    } catch (IOException e) {
        throw new EJBException(e);
    }

}

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