Package sizzle.io

Examples of sizzle.io.EmitKey

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    values.add(new EmitValue(1));
    values.add(new EmitValue(2));

    final ReduceDriver<EmitKey, EmitValue, EmitKey, EmitValue> reduceDriver = new ReduceDriver<EmitKey, EmitValue, EmitKey, EmitValue>(
        new MrcounterSizzleCombiner());
    reduceDriver.setInput(new EmitKey("test"), values);
    reduceDriver.runTest();
    final Counters counters = reduceDriver.getCounters();
    final CounterGroup group = counters.getGroup("Sizzle Counters");

    Assert.assertEquals("counter value is wrong", 3, group.findCounter("Unnamed counter").getValue());
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    values.add(new EmitValue(1));
    values.add(new EmitValue(2));

    final ReduceDriver<EmitKey, EmitValue, EmitKey, EmitValue> reduceDriver = new ReduceDriver<EmitKey, EmitValue, EmitKey, EmitValue>(
        new MrcounterSizzleCombiner());
    reduceDriver.setInput(new EmitKey("[three]", "test"), values);
    reduceDriver.runTest();
    final Counters counters = reduceDriver.getCounters();
    final CounterGroup group = counters.getGroup("Sizzle Counters");

    Assert.assertEquals("counter value is wrong", 3, group.findCounter("three").getValue());
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    values.add(new EmitValue(1));
    values.add(new EmitValue(2));

    final ReduceDriver<EmitKey, EmitValue, EmitKey, EmitValue> reduceDriver = new ReduceDriver<EmitKey, EmitValue, EmitKey, EmitValue>(
        new MrcounterSizzleCombiner());
    reduceDriver.setInput(new EmitKey("[Job Statistics][Some counter]", "test"), values);
    reduceDriver.runTest();
    final Counters counters = reduceDriver.getCounters();
    final CounterGroup group = counters.getGroup("Job Statistics");

    Assert.assertEquals("counter value is wrong", 3, group.findCounter("Some counter").getValue());
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    values.add(new EmitValue(1));
    values.add(new EmitValue(2));

    final ReduceDriver<EmitKey, EmitValue, EmitKey, EmitValue> reduceDriver = new ReduceDriver<EmitKey, EmitValue, EmitKey, EmitValue>(
        new MrcounterSizzleCombiner());
    reduceDriver.setInput(new EmitKey("[Job Statistics][Some][counter]", "test"), values);
    reduceDriver.runTest();
    final Counters counters = reduceDriver.getCounters();
    final CounterGroup group = counters.getGroup("Job Statistics");

    Assert.assertEquals("counter value is wrong", 3, group.findCounter("Somecounter").getValue());
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    values.add(new EmitValue("three", 3));
    values.add(new EmitValue("four", 4));

    final ReduceDriver<EmitKey, EmitValue, Text, NullWritable> reduceDriver = new ReduceDriver<EmitKey, EmitValue, Text, NullWritable>(
        new MrcounterSizzleReducer());
    reduceDriver.setInput(new EmitKey("test"), values);
    reduceDriver.runTest();
    final Counters counters = reduceDriver.getCounters();
    final CounterGroup group = counters.getGroup("test[]");

    Assert.assertEquals("counter value is wrong", 0, group.findCounter("one").getValue());
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    values.add(new EmitValue("three"));
    values.add(new EmitValue("four"));

    final ReduceDriver<EmitKey, EmitValue, EmitKey, EmitValue> reduceDriver = new ReduceDriver<EmitKey, EmitValue, EmitKey, EmitValue>(
        new CollectionSizzleCombiner());
    reduceDriver.setInput(new EmitKey("test"), values);
    reduceDriver.addOutput(new EmitKey("test"), new EmitValue("one"));
    reduceDriver.addOutput(new EmitKey("test"), new EmitValue("two"));
    reduceDriver.addOutput(new EmitKey("test"), new EmitValue("three"));
    reduceDriver.addOutput(new EmitKey("test"), new EmitValue("four"));
    reduceDriver.runTest();
  }
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    values.add(new EmitValue("three"));
    values.add(new EmitValue("four"));

    final ReduceDriver<EmitKey, EmitValue, Text, NullWritable> reduceDriver = new ReduceDriver<EmitKey, EmitValue, Text, NullWritable>(
        new CollectionSizzleReducer());
    reduceDriver.setInput(new EmitKey("test"), values);
    reduceDriver.addOutput(new Text("test[] = one"), NullWritable.get());
    reduceDriver.addOutput(new Text("test[] = two"), NullWritable.get());
    reduceDriver.addOutput(new Text("test[] = three"), NullWritable.get());
    reduceDriver.addOutput(new Text("test[] = four"), NullWritable.get());
    reduceDriver.runTest();
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    values.add(new EmitValue("three"));
    values.add(new EmitValue("four"));

    final ReduceDriver<EmitKey, EmitValue, EmitKey, EmitValue> reduceDriver = new ReduceDriver<EmitKey, EmitValue, EmitKey, EmitValue>(
        new TextSizzleCombiner());
    reduceDriver.setInput(new EmitKey("test"), values);
    reduceDriver.addOutput(new EmitKey("test"), new EmitValue("one"));
    reduceDriver.addOutput(new EmitKey("test"), new EmitValue("two"));
    reduceDriver.addOutput(new EmitKey("test"), new EmitValue("three"));
    reduceDriver.addOutput(new EmitKey("test"), new EmitValue("four"));
    reduceDriver.runTest();
  }
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    values.add(new EmitValue("three"));
    values.add(new EmitValue("four"));

    final ReduceDriver<EmitKey, EmitValue, Text, NullWritable> reduceDriver = new ReduceDriver<EmitKey, EmitValue, Text, NullWritable>(
        new TextSizzleReducer());
    reduceDriver.setInput(new EmitKey("test"), values);
    reduceDriver.addOutput(new Text("one"), NullWritable.get());
    reduceDriver.addOutput(new Text("two"), NullWritable.get());
    reduceDriver.addOutput(new Text("three"), NullWritable.get());
    reduceDriver.addOutput(new Text("four"), NullWritable.get());
    reduceDriver.runTest();
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    values.add(new EmitValue("1"));
    values.add(new EmitValue("2.0"));
    values.add(new EmitValue(3));
    values.add(new EmitValue(4.0));

    new ReduceDriver<EmitKey, EmitValue, EmitKey, EmitValue>(new IntSumSizzleCombiner()).withInput(new EmitKey("test"), values)
        .withOutput(new EmitKey("test"), new EmitValue("10")).runTest();
  }
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Related Classes of sizzle.io.EmitKey

  • sizzle.aggregators.TestCollectionAggregator
  • sizzle.aggregators.TestDistinctAggregator
  • sizzle.aggregators.TestFloatHistogramAggregator
  • sizzle.aggregators.TestFloatMeanAggregator
  • sizzle.aggregators.TestFloatQuantileAggregator
  • sizzle.aggregators.TestFloatSumAggregator
  • sizzle.aggregators.TestIntHistogramAggregator
  • sizzle.aggregators.TestIntMeanAggregator
  • sizzle.aggregators.TestIntQuantileAggregator
  • sizzle.aggregators.TestIntSumAggregator
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