Examples of org.apache.hadoop.io.DataOutputBuffer.writeInt()

Class org.apache.hadoop.io.DataOutputBuffer

Examples of org.apache.hadoop.io.DataOutputBuffer.writeInt()

org.apache.hadoop.io.DataOutputBuffer.writeInt()
Overwrite an integer into the internal buffer. Note that this call can only be used to overwrite existing data in the buffer, i.e., buffer#count cannot be increased, and DataOutputStream#written cannot be increased.

            LOG.debug(getName() + " sending #" + call.id);
          
          //for serializing the
          //data to be written
          d = new DataOutputBuffer();
          d.writeInt(0); // placeholder for data length
          d.writeInt(call.id);
          call.param.write(d);
          byte[] data = d.getData();
          int dataLength = d.getLength() - 4;
          data[0] = (byte)((dataLength >>> 24) & 0xff);

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          //for serializing the
          //data to be written
          d = new DataOutputBuffer();
          d.writeInt(0); // placeholder for data length
          d.writeInt(call.id);
          call.param.write(d);
          byte[] data = d.getData();
          int dataLength = d.getLength() - 4;
          data[0] = (byte)((dataLength >>> 24) & 0xff);
          data[1] = (byte)((dataLength >>> 16) & 0xff);

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      final DataOutputBuffer d = new DataOutputBuffer();
      try {
        if (LOG.isDebugEnabled())
          LOG.debug(getName() + " sending #" + call.id);


        d.writeInt(0xdeadbeef); // placeholder for data length
        d.writeInt(call.id);
        call.param.write(d);
        byte[] data = d.getData();
        int dataLength = d.getLength();
        // fill in the placeholder

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      try {
        if (LOG.isDebugEnabled())
          LOG.debug(getName() + " sending #" + call.id);


        d.writeInt(0xdeadbeef); // placeholder for data length
        d.writeInt(call.id);
        call.param.write(d);
        byte[] data = d.getData();
        int dataLength = d.getLength();
        // fill in the placeholder
        Bytes.putInt(data, 0, dataLength - 4);

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                }


                //for serializing the
                //data to be written
                d = new DataOutputBuffer();
                d.writeInt(call.id);
                call.param.write(d);
                byte[] data = d.getData();
                int dataLength = d.getLength();
                out.writeInt(dataLength);      //first put the data length
                out.write(data, 0, dataLength);//write the data

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      int seq = 0;
      while (infLen > 0) {
        rand.nextBytes(b);
        final byte[] b64enc = b64.encode(b); // ensures rand printable, no LF
        dob.reset();
        dob.writeInt(seq);
        System.arraycopy(dob.getData(), 0, b64enc, 0, dob.getLength());
        fout.write(b64enc);
        fout.write('\n');
        ++seq;
        infLen -= b64enc.length;

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      final DataOutputBuffer d = new DataOutputBuffer();
      try {
        if (LOG.isDebugEnabled())
          LOG.debug(getName() + " sending #" + call.id);


        d.writeInt(0xdeadbeef); // placeholder for data length
        d.writeInt(call.id);
        call.param.write(d);
        byte[] data = d.getData();
        int dataLength = d.getLength();
        // fill in the placeholder

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      try {
        if (LOG.isDebugEnabled())
          LOG.debug(getName() + " sending #" + call.id);


        d.writeInt(0xdeadbeef); // placeholder for data length
        d.writeInt(call.id);
        call.param.write(d);
        byte[] data = d.getData();
        int dataLength = d.getLength();
        // fill in the placeholder
        Bytes.putInt(data, 0, dataLength - 4);

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  @Test
  public void testExecDeserialization() throws IOException {
    DataOutputBuffer dob = new DataOutputBuffer();
    dob.writeUTF(methodName);
    dob.writeInt(1);
    Scan scan = new Scan();
    HbaseObjectWritable.writeObject(dob, scan, Scan.class, new Configuration());
    dob.writeUTF("org.apache.hadoop.hbase.client.Scan");
    Bytes.writeByteArray(dob, new byte[]{'a'});
    // this is the dynamic protocol name

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      final DataOutputBuffer d = new DataOutputBuffer();
      try {
        if (LOG.isDebugEnabled())
          LOG.debug(getName() + " sending #" + call.id);


        d.writeInt(0xdeadbeef); // placeholder for data length
        d.writeInt(call.id);
        call.param.write(d);
        byte[] data = d.getData();
        int dataLength = d.getLength();
        // fill in the placeholder

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