Package org.apache.hadoop.io

Examples of org.apache.hadoop.io.DataInputBuffer.reset()

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  private ScanMetrics getScanMetrics(Scan scan) throws Exception {
    byte[] serializedMetrics = scan.getAttribute(Scan.SCAN_ATTRIBUTES_METRICS_DATA);
    assertTrue("Serialized metrics were not found.", serializedMetrics != null);

    DataInputBuffer in = new DataInputBuffer();
    in.reset(serializedMetrics, 0, serializedMetrics.length);
    ScanMetrics scanMetrics = new ScanMetrics();
    scanMetrics.readFields(in);
    return scanMetrics;
  }
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    if (map != null) {
      try {
        DataOutputBuffer dob = new DataOutputBuffer();
        map.write(dob);
        DataInputBuffer dib = new DataInputBuffer();
        dib.reset(dob.getData(), dob.getLength());
        readFields(dib);
      } catch (IOException e) {
        throw new IllegalArgumentException("this map cannot be copied: " +
                StringUtils.stringifyException(e));
      }
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    try {
      final DataOutputBuffer outputBuffer = new DataOutputBuffer();
      serializer.open(outputBuffer);
      serializer.serialize(orig);
      final DataInputBuffer inputBuffer = new DataInputBuffer();
      inputBuffer.reset(outputBuffer.getData(), outputBuffer.getLength());
      deserializer.open(inputBuffer);
      return (T) deserializer.deserialize(copy);
    } catch (final IOException e) {
      throw new RuntimeException(e);
    }
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    BSPMaster.State state = BSPMaster.State.RUNNING;

    status1 = new ClusterStatus(grooms, tasks, maxTasks, state);
    status1.write(out);

    in.reset(out.getData(), out.getLength());

    ClusterStatus status2 = new ClusterStatus();
    status2.readFields(in);
   
    for(Entry<String, GroomServerStatus> entry : status2.getActiveGroomServerStatus().entrySet()){
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  private ScanMetrics getScanMetrics(Scan scan) throws Exception {
    byte[] serializedMetrics = scan.getAttribute(Scan.SCAN_ATTRIBUTES_METRICS_DATA);
    assertTrue("Serialized metrics were not found.", serializedMetrics != null);

    DataInputBuffer in = new DataInputBuffer();
    in.reset(serializedMetrics, 0, serializedMetrics.length);
    ScanMetrics scanMetrics = new ScanMetrics();
    scanMetrics.readFields(in);
    return scanMetrics;
  }
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    assertTrue(rsrcS instanceof LocalResourceStatusPBImpl);
    LocalResourceStatusPBImpl rsrcPb = (LocalResourceStatusPBImpl) rsrcS;
    DataOutputBuffer out = new DataOutputBuffer();
    rsrcPb.getProto().writeDelimitedTo(out);
    DataInputBuffer in = new DataInputBuffer();
    in.reset(out.getData(), 0, out.getLength());
    LocalResourceStatusProto rsrcPbD =
      LocalResourceStatusProto.parseDelimitedFrom(in);
    assertNotNull(rsrcPbD);
    LocalResourceStatus rsrcD =
      new LocalResourceStatusPBImpl(rsrcPbD);
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    assertTrue(rsrcS instanceof LocalizerStatusPBImpl);
    LocalizerStatusPBImpl rsrcPb = (LocalizerStatusPBImpl) rsrcS;
    DataOutputBuffer out = new DataOutputBuffer();
    rsrcPb.getProto().writeDelimitedTo(out);
    DataInputBuffer in = new DataInputBuffer();
    in.reset(out.getData(), 0, out.getLength());
    LocalizerStatusProto rsrcPbD =
      LocalizerStatusProto.parseDelimitedFrom(in);
    assertNotNull(rsrcPbD);
    LocalizerStatus rsrcD =
      new LocalizerStatusPBImpl(rsrcPbD);
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    LocalizerHeartbeatResponsePBImpl rsrcPb =
      (LocalizerHeartbeatResponsePBImpl) rsrcS;
    DataOutputBuffer out = new DataOutputBuffer();
    rsrcPb.getProto().writeDelimitedTo(out);
    DataInputBuffer in = new DataInputBuffer();
    in.reset(out.getData(), 0, out.getLength());
    LocalizerHeartbeatResponseProto rsrcPbD =
      LocalizerHeartbeatResponseProto.parseDelimitedFrom(in);
    assertNotNull(rsrcPbD);
    LocalizerHeartbeatResponse rsrcD =
      new LocalizerHeartbeatResponsePBImpl(rsrcPbD);
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      key.setSpec(spec);
      key.write(new DataOutputStream(dt));
      DataInputBuffer result = new DataInputBuffer();
      byte[] b = dt.toByteArray();
      result.reset(b, 0, b.length);
      return result;
    }

    @Override
    public DataInputBuffer getValue() throws IOException {
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      ByteArrayOutputStream dt = new ByteArrayOutputStream();
      GridmixRecord key = new GridmixRecord(100, 1);
      key.write(new DataOutputStream(dt));
      DataInputBuffer result = new DataInputBuffer();
      byte[] b = dt.toByteArray();
      result.reset(b, 0, b.length);
      return result;
    }

    @Override
    public boolean next() throws IOException {
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