Examples of emptyPCollection()

Examples of org.apache.crunch.impl.mr.MRPipeline.emptyPCollection()

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  }

  @Test
  public void testEmptyMR() throws Exception {
    MRPipeline p = new MRPipeline(EmptyPCollectionIT.class, tempDir.getDefaultConfiguration());
    assertTrue(Iterables.isEmpty(p.emptyPCollection(Writables.strings())
        .parallelDo(new SplitFn(), Writables.tableOf(Writables.strings(), Writables.longs()))
        .groupByKey()
        .combineValues(Aggregators.SUM_LONGS())
        .materialize()));
    p.done();
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Examples of org.apache.crunch.impl.mr.MRPipeline.emptyPCollection()

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  }

  @Test
  public void testUnionWithEmptyMR() throws Exception {
    MRPipeline p = new MRPipeline(EmptyPCollectionIT.class, tempDir.getDefaultConfiguration());
    assertFalse(Iterables.isEmpty(p.emptyPCollection(Writables.strings())
        .parallelDo(new SplitFn(), Writables.tableOf(Writables.strings(), Writables.longs()))
        .union(
            p.read(From.textFile(tempDir.copyResourceFileName("shakes.txt")))
                .parallelDo(new SplitFn(), Writables.tableOf(Writables.strings(), Writables.longs())))
        .groupByKey()
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Examples of org.apache.crunch.impl.spark.SparkPipeline.emptyPCollection()

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  public TemporaryPath tempDir = new TemporaryPath();

  @Test
  public void testEmptyMR() throws Exception {
    Pipeline p = new SparkPipeline("local", "empty");
    assertTrue(Iterables.isEmpty(p.emptyPCollection(Writables.strings())
        .parallelDo(new SplitFn(), Writables.tableOf(Writables.strings(), Writables.longs()))
        .groupByKey()
        .combineValues(Aggregators.SUM_LONGS())
        .materialize()));
    p.done();
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Examples of org.apache.crunch.impl.spark.SparkPipeline.emptyPCollection()

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  }

  @Test
  public void testUnionWithEmptyMR() throws Exception {
    Pipeline p = new SparkPipeline("local", "empty");
    assertFalse(Iterables.isEmpty(p.emptyPCollection(Writables.strings())
        .parallelDo(new SplitFn(), Writables.tableOf(Writables.strings(), Writables.longs()))
        .union(
            p.read(From.textFile(tempDir.copyResourceFileName("shakes.txt")))
                .parallelDo(new SplitFn(), Writables.tableOf(Writables.strings(), Writables.longs())))
        .groupByKey()
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