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.

      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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            LOG.debug(getName() + " sending #" + call.id);
          try {
            writingCall = call;
            DataOutputBuffer d = new DataOutputBuffer(); //for serializing the
                                                         //data to be written
            d.writeInt(call.id);
            call.param.write(d);
            byte[] data = d.getData();
            int dataLength = d.getLength();


            out.writeInt(dataLength);      //first put the data length

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            LOG.debug(getName() + " sending #" + call.id);
          
          //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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            LOG.debug(getName() + " sending #" + call.id);
          try {
            writingCall = call;
            DataOutputBuffer d = new DataOutputBuffer(); //for serializing the
                                                         //data to be written
            d.writeInt(call.id);
            call.param.write(d);
            byte[] data = d.getData();
            int dataLength = d.getLength();


            out.writeInt(dataLength);      //first put the data length

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            LOG.debug(getName() + " sending #" + call.id);
          try {
            writingCall = call;
            DataOutputBuffer d = new DataOutputBuffer(); //for serializing the
                                                         //data to be written
            d.writeInt(call.id);
            call.param.write(d);
            byte[] data = d.getData();
            int dataLength = d.getLength();


            out.writeInt(dataLength);      //first put the data length

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            LOG.debug(getName() + " sending #" + call.id);
          
          //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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            LOG.debug(getName() + " sending #" + call.id);
          
          //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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   * @param indexDescriptorMap the map of index descriptors
   * @throws IOException if an error occurrs while writing the index descriptors
   */
  public static void setIndexDescriptors(HColumnDescriptor columnDescriptor, Map<ImmutableBytesWritable, IdxIndexDescriptor> indexDescriptorMap) throws IOException {
    DataOutputBuffer out = new DataOutputBuffer();
    out.writeInt(indexDescriptorMap.size());
    for (IdxIndexDescriptor indexDescriptor : indexDescriptorMap.values()) {
      WritableHelper.writeInstance(out, indexDescriptor);
    }


    columnDescriptor.setValue(INDEX_DESCRIPTORS.get(), out.getData());

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                LOG.debug(getName() + " sending #" + call.id);


              //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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   */
  static void createEditsFile(String editDir) throws IOException {
    File editfile = new File(editDir + EDITSFILE);
    FileOutputStream fp = new FileOutputStream(editfile);
    DataOutputBuffer buf = new DataOutputBuffer(1024);
    buf.writeInt(FSConstants.LAYOUT_VERSION);
    buf.writeTo(fp);
    buf.close();
    fp.close();
  }

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