Package org.apache.hadoop.io

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

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      DataOutputBuffer out = new DataOutputBuffer();
      DataInputBuffer in = new DataInputBuffer();
      for (HdfsServerConstants.ReplicaState repState : HdfsServerConstants.ReplicaState
          .values()) {
        repState.write(out);
        in.reset(out.getData(), out.getLength());
        HdfsServerConstants.ReplicaState result = HdfsServerConstants.ReplicaState
            .read(in);
        assertTrue("testReadWrite error !!!", repState == result);
        out.reset();
        in.reset();
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        in.reset(out.getData(), out.getLength());
        HdfsServerConstants.ReplicaState result = HdfsServerConstants.ReplicaState
            .read(in);
        assertTrue("testReadWrite error !!!", repState == result);
        out.reset();
        in.reset();
      }
    } catch (Exception ex) {
      fail("testReadWrite ex error ReplicaState");
    }
  }
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    Model<?> model = new NormalModel(new DenseVector(m), 3.3);
    DataOutputBuffer out = new DataOutputBuffer();
    model.write(out);
    Model<?> model2 = new NormalModel();
    DataInputBuffer in = new DataInputBuffer();
    in.reset(out.getData(), out.getLength());
    model2.readFields(in);
    assertEquals("models", model.toString(), model2.toString());
  }
 
  public void testSampledNormalModelWritableSerialization() throws Exception {
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    Model<?> model = new SampledNormalModel(new DenseVector(m), 3.3);
    DataOutputBuffer out = new DataOutputBuffer();
    model.write(out);
    Model<?> model2 = new SampledNormalModel();
    DataInputBuffer in = new DataInputBuffer();
    in.reset(out.getData(), out.getLength());
    model2.readFields(in);
    assertEquals("models", model.toString(), model2.toString());
  }
 
  public void testAsymmetricSampledNormalModelWritableSerialization() throws Exception {
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    Model<?> model = new AsymmetricSampledNormalModel(new DenseVector(m), new DenseVector(s));
    DataOutputBuffer out = new DataOutputBuffer();
    model.write(out);
    Model<?> model2 = new AsymmetricSampledNormalModel();
    DataInputBuffer in = new DataInputBuffer();
    in.reset(out.getData(), out.getLength());
    model2.readFields(in);
    assertEquals("models", model.toString(), model2.toString());
  }
 
  public void testClusterWritableSerialization() throws Exception {
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    DirichletCluster<?> cluster = new DirichletCluster(new NormalModel(new DenseVector(m), 4), 10);
    DataOutputBuffer out = new DataOutputBuffer();
    cluster.write(out);
    DirichletCluster<?> cluster2 = new DirichletCluster();
    DataInputBuffer in = new DataInputBuffer();
    in.reset(out.getData(), out.getLength());
    cluster2.readFields(in);
    assertEquals("count", cluster.getTotalCount(), cluster2.getTotalCount());
    assertNotNull("model null", cluster2.getModel());
    assertEquals("model", cluster.getModel().toString(), cluster2.getModel().toString());
  }
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    if (serializedMetrics == null || serializedMetrics.length == 0 ) {
      return;
    }

    DataInputBuffer in = new DataInputBuffer();
    in.reset(serializedMetrics, 0, serializedMetrics.length);
    ScanMetrics scanMetrics = new ScanMetrics();
    scanMetrics.readFields(in);
    MetricsTimeVaryingLong[] mlvs =
      scanMetrics.getMetricsTimeVaryingLongArray();
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        private int compareBinInterSedesGenericWritableComparable(ByteBuffer bb1, ByteBuffer bb2) throws ExecException,
                IOException {
            DataInputBuffer buffer1 = new DataInputBuffer();
            DataInputBuffer buffer2 = new DataInputBuffer();
            buffer1.reset(bb1.array(), bb1.position(), bb1.remaining());
            buffer2.reset(bb2.array(), bb2.position(), bb2.remaining());
            Comparable writable1 = (Comparable) mSedes.readDatum(buffer1);
            Comparable writable2 = (Comparable) mSedes.readDatum(buffer2);
            bb1.position(buffer1.getPosition());
            bb2.position(buffer2.getPosition());
            return writable1.compareTo(writable2);
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                return -1;
            else {
                DataInputBuffer buffer1 = new DataInputBuffer();
                DataInputBuffer buffer2 = new DataInputBuffer();
                buffer1.reset(bb1.array(), s1, l1);
                buffer2.reset(bb2.array(), s2, l2);
                DataBag bag1 = (DataBag) mSedes.readDatum(buffer1, dt1);
                DataBag bag2 = (DataBag) mSedes.readDatum(buffer2, dt2);
                bb1.position(buffer1.getPosition());
                bb2.position(buffer2.getPosition());
                return bag1.compareTo(bag2);
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                return -1;
            else {
                DataInputBuffer buffer1 = new DataInputBuffer();
                DataInputBuffer buffer2 = new DataInputBuffer();
                buffer1.reset(bb1.array(), s1, l1);
                buffer2.reset(bb2.array(), s2, l2);
                Map<String, Object> map1 = (Map<String, Object>) mSedes.readDatum(buffer1, dt1);
                Map<String, Object> map2 = (Map<String, Object>) mSedes.readDatum(buffer2, dt2);
                bb1.position(buffer1.getPosition());
                bb2.position(buffer2.getPosition());
                return DataType.compare(map1, map2, DataType.MAP, DataType.MAP);
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