Package sizzle.io

Examples of sizzle.io.EmitValue

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  }

  @Test
  public void testFloatQuantileAggregator() {
    final List<EmitValue> values = new ArrayList<EmitValue>();
    values.add(new EmitValue(3));
    values.add(new EmitValue(6));
    values.add(new EmitValue(7));
    values.add(new EmitValue(8));
    values.add(new EmitValue(8));
    values.add(new EmitValue(10));
    values.add(new EmitValue(13));
    values.add(new EmitValue(15));
    values.add(new EmitValue(16));
    values.add(new EmitValue(20));

    final ReduceDriver<EmitKey, EmitValue, Text, NullWritable> reduceDriver = new ReduceDriver<EmitKey, EmitValue, Text, NullWritable>(
        new FloatQuartileSizzleReducer());
    reduceDriver.setInput(new EmitKey("test"), values);
    reduceDriver.addOutput(new Text("test[] = [7.0, 8.0, 15.0, 20.0]"), NullWritable.get());
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    final BufferedReader r = new BufferedReader(new FileReader("test/normals"));
    try {
      String line = null;
      while ((line = r.readLine()) != null)
        values.add(new EmitValue(Long.parseLong(line)));
    } finally {
      r.close();
    }

    final ReduceDriver<EmitKey, EmitValue, Text, NullWritable> reduceDriver = new ReduceDriver<EmitKey, EmitValue, Text, NullWritable>(
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  }

  @SuppressWarnings("unchecked")
  protected void collect(final String data, final String metadata) throws IOException, InterruptedException {
    if (this.combining)
      this.getContext().write(this.getKey(), new EmitValue(data, metadata));
    else if (metadata != null)
      this.getContext().write(new Text(this.getKey() + " = " + data + " weight " + metadata), NullWritable.get());
    else
      this.getContext().write(new Text(this.getKey() + " = " + data), NullWritable.get());
  }
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  }

  @SuppressWarnings("unchecked")
  protected void collect(final long data, final String metadata) throws IOException, InterruptedException {
    if (this.combining)
      this.getContext().write(this.getKey(), new EmitValue(data, metadata));
    else if (metadata != null)
      this.getContext().write(new Text(this.getKey() + " = " + data + " weight " + metadata), NullWritable.get());
    else
      this.getContext().write(new Text(this.getKey() + " = " + data), NullWritable.get());
  }
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  }

  @SuppressWarnings("unchecked")
  protected void collect(final double data, final String metadata) throws IOException, InterruptedException {
    if (this.combining)
      this.getContext().write(this.getKey(), new EmitValue(data, metadata));
    else if (metadata != null)
      this.getContext().write(new Text(this.getKey() + " = " + data + " weight " + metadata), NullWritable.get());
    else
      this.getContext().write(new Text(this.getKey() + " = " + data), NullWritable.get());
  }
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  /** {@inheritDoc} */
  @Override
  @SuppressWarnings("unchecked")
  protected void collect(final String data, final String metadata) throws IOException, InterruptedException {
    if (this.isCombining())
      this.getContext().write(this.getKey(), new EmitValue(data, metadata));
    else if (metadata != null)
      this.getContext().write(new Text(data + " weight " + metadata), NullWritable.get());
    else
      this.getContext().write(new Text(data), NullWritable.get());
  }
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  }

  /** {@inheritDoc} */
  @Override
  public EmitValue getResult() {
    return new EmitValue(this.sum);
  }
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  }

  /** {@inheritDoc} */
  @Override
  public EmitValue getResult() {
    return new EmitValue(this.sum);
  }
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Related Classes of sizzle.io.EmitValue

  • sizzle.aggregators.Aggregator
  • sizzle.aggregators.FloatSumAggregator
  • sizzle.aggregators.IntSumAggregator
  • sizzle.aggregators.TestCollectionAggregator
  • sizzle.aggregators.TestDistinctAggregator
  • sizzle.aggregators.TestFloatHistogramAggregator
  • sizzle.aggregators.TestFloatMeanAggregator
  • sizzle.aggregators.TestFloatQuantileAggregator
  • sizzle.aggregators.TestFloatSumAggregator
  • sizzle.aggregators.TestIntHistogramAggregator
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