Package org.apache.hadoop.io

Examples of org.apache.hadoop.io.LongWritable.readFields()

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  /** read the long value */
  static long readLong(DataInputStream in) throws IOException {
    LongWritable ustr = TL_DATA.get().U_LONG;
    ustr.readFields(in);
    return ustr.get();
  }

  /** write the long value */
  static void writeLong(long value, DataOutputStream out) throws IOException {
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    DataInputBuffer keyBuf = new DataInputBuffer();
    DataInputBuffer valueBuf = new DataInputBuffer();
    long prev = Long.MIN_VALUE;
    while (reader.nextRawKey(keyBuf)) {
      reader.nextRawValue(valueBuf);
      key.readFields(keyBuf);
      value.readFields(valueBuf);
      if (prev != Long.MIN_VALUE) {
        assert(prev <= key.get());
        prev = key.get();
      }
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      backupInputStream.setBytes(data);
      DataInputStream in = backupInputStream.getDataInputStream();
      byte op = in.readByte();
      assert op == NamenodeProtocol.JA_CHECKPOINT_TIME;
      LongWritable lw = new LongWritable();
      lw.readFields(in);
      setCheckpointTime(lw.get());
    } finally {
      backupInputStream.clear();
    }
  }
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  /** read the long value */
  static long readLong(DataInput in) throws IOException {
    LongWritable uLong = TL_DATA.get().U_LONG;
    uLong.readFields(in);
    return uLong.get();
  }

  /** write the long value */
  static void writeLong(long value, DataOutputStream out) throws IOException {
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    // Then read each value
   
    for (int i = 0; i < entries; i++) {
      LongWritable w = new LongWritable();
      w.readFields(in);
     
      instance.add(w);
    }
  }
}
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    DataInputBuffer keyBuf = new DataInputBuffer();
    DataInputBuffer valueBuf = new DataInputBuffer();
    long prev = Long.MIN_VALUE;
    while (reader.nextRawKey(keyBuf)) {
      reader.nextRawValue(valueBuf);
      key.readFields(keyBuf);
      value.readFields(valueBuf);
      if (prev != Long.MIN_VALUE) {
        assert(prev <= key.get());
        prev = key.get();
      }
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  /** read the long value */
  static long readLong(DataInputStream in) throws IOException {
    LongWritable ustr = TL_DATA.get().U_LONG;
    ustr.readFields(in);
    return ustr.get();
  }

  /** write the long value */
  static void writeLong(long value, DataOutputStream out) throws IOException {
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  /** read the long value */
  static long readLong(DataInputStream in) throws IOException {
    LongWritable ustr = TL_DATA.get().U_LONG;
    ustr.readFields(in);
    return ustr.get();
  }

  /** write the long value */
  static void writeLong(long value, DataOutputStream out) throws IOException {
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      backupInputStream.setBytes(data);
      DataInputStream in = backupInputStream.getDataInputStream();
      byte op = in.readByte();
      assert op == NamenodeProtocol.JA_CHECKPOINT_TIME;
      LongWritable lw = new LongWritable();
      lw.readFields(in);
      setCheckpointTime(lw.get());
    } finally {
      backupInputStream.clear();
    }
  }
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      for (int i = 0; i < num; i++) {
        String name = input.readUTF();
        GlobalCommType type = GlobalCommType.values()[input.readByte()];
        if (type == GlobalCommType.SPECIAL_COUNT) {
          LongWritable value = new LongWritable();
          value.readFields(input);
          aggregatorData.receivedRequestCountFromWorker(
              value.get(),
              getSenderTaskId());
        } else if (type == GlobalCommType.REDUCED_VALUE) {
          Writable value = aggregatorData.createInitialValue(name);
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