Package org.apache.hadoop.mapred

Examples of org.apache.hadoop.mapred.RecordReader.createValue()

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    AutoInputFormat format = new AutoInputFormat();
    InputSplit[] splits = format.getSplits(job, SPLITS_COUNT);
    for (InputSplit split : splits) {
      RecordReader reader = format.getRecordReader(split, job, Reporter.NULL);
      Object key = reader.createKey();
      Object value = reader.createValue();
      try {
        while (reader.next(key, value)) {
          if (key instanceof LongWritable) {
            assertEquals("Wrong value class.", Text.class, value.getClass());
            assertTrue("Invalid value", Integer.parseInt(((Text) value)
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    int readCount = 0;
    for (int i = 0; i < splits.length; i++) {
      int previousReadCount = readCount;
      RecordReader rr = inputFormat.getRecordReader(splits[i], jonconf, Reporter.NULL);
      Object key = rr.createKey();
      Object value = rr.createValue();
      while (rr.next(key, value)) {
        readCount++;
      }
      rr.close();
      System.out.println("The " + i + "th split read "
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    AutoInputFormat format = new AutoInputFormat();
    InputSplit[] splits = format.getSplits(job, SPLITS_COUNT);
    for (InputSplit split : splits) {
      RecordReader reader = format.getRecordReader(split, job, Reporter.NULL);
      Object key = reader.createKey();
      Object value = reader.createValue();
      try {
        while (reader.next(key, value)) {
          if (key instanceof LongWritable) {
            assertEquals("Wrong value class.", Text.class, value.getClass());
            assertTrue("Invalid value", Integer.parseInt(((Text) value)
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    int readCount = 0;
    for (int i = 0; i < splits.length; i++) {
      int previousReadCount = readCount;
      RecordReader rr = inputFormat.getRecordReader(splits[i], jonconf, Reporter.NULL);
      Object key = rr.createKey();
      Object value = rr.createValue();
      while (rr.next(key, value)) {
        readCount++;
      }
      System.out.println("The " + i + "th split read "
          + (readCount - previousReadCount));
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        (String[]) null);
      RecordReader recReader = null;
      try {
        recReader = autoInputFormat.getRecordReader(split, job, Reporter.NULL);
        Object key = recReader.createKey();
        Object value = recReader.createValue();
        while (recReader.next(key, value)) {
          if (key instanceof Writable) {
            TypedBytesWritableOutput.get(dout).write((Writable) key);
          } else {
            TypedBytesOutput.get(dout).write(key);
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