Package org.apache.crunch.test

Examples of org.apache.crunch.test.StringWrapper

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    public Pair<StringWrapper, Person> map(String input) {
      Person person = new Person();
      person.name = input;
      person.age = 42;
      person.siblingnames = Lists.<CharSequence> newArrayList();
      return Pair.of(new StringWrapper(input), person);
    }
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  }

  @Test
  public void testJoin() {

    StringWrapper key = new StringWrapper();
    StringWrapper leftValue = new StringWrapper();
    key.setValue("left-only");
    leftValue.setValue("left-only-left");
    joinFn.join(key, 0, createValuePairList(leftValue, null), emitter);

    key.setValue("both");
    leftValue.setValue("both-left");
    joinFn.join(key, 0, createValuePairList(leftValue, null), emitter);
    joinFn.join(key, 1, createValuePairList(null, "both-right"), emitter);

    key.setValue("right-only");
    joinFn.join(key, 1, createValuePairList(null, "right-only-right"), emitter);
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    PCollection<StringWrapper> stringWrapperCollection = pipeline.readTextFile(tmpDir.copyResourceFileName("set1.txt"))
        .parallelDo(new MapFn<String, StringWrapper>() {

          @Override
          public StringWrapper map(String input) {
            StringWrapper stringWrapper = new StringWrapper();
            stringWrapper.setValue(input);
            return stringWrapper;
          }
        }, Avros.reflects(StringWrapper.class));

    List<StringWrapper> stringWrappers = Lists.newArrayList(stringWrapperCollection.materialize());

    pipeline.done();

    assertEquals(Lists.newArrayList(new StringWrapper("b"), new StringWrapper("c"), new StringWrapper("a"),
        new StringWrapper("e")), stringWrappers);

  }
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        Person person = new Person();
        person.name = input;
        person.age = 42;
        person.siblingnames = Lists.<CharSequence> newArrayList(input);

        return Pair.of(new StringWrapper(input), person);
      }
    }, Avros.pairs(Avros.reflects(StringWrapper.class), Avros.records(Person.class)));

    PCollection<Pair<String, Long>> countCollection = Aggregate.count(hybridPairCollection).parallelDo(
        new MapFn<Pair<Pair<StringWrapper, Person>, Long>, Pair<String, Long>>() {
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        Avros.reflects(StringWrapper.class)));

    List<StringWrapper> recordList = Lists.newArrayList(stringValueCollection.materialize());

    assertEquals(1, recordList.size());
    StringWrapper stringWrapper = recordList.get(0);
    assertEquals("stringvalue", stringWrapper.getValue());
  }
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  }

  @Test
  public void testPairOutputMapFn_VerifyNoObjectReuse() {
    StringWrapper stringWrapper = new StringWrapper("Test");

    Pair<Integer, StringWrapper> pair = Pair.of(1, stringWrapper);

    AvroType<Pair<Integer, StringWrapper>> pairType = Avros.pairs(Avros.ints(), Avros.reflects(StringWrapper.class));
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        Avros.reflects(StringWrapper.class)));

    List<StringWrapper> recordList = Lists.newArrayList(stringValueCollection.materialize());

    assertEquals(1, recordList.size());
    StringWrapper stringWrapper = recordList.get(0);
    assertEquals("stringvalue", stringWrapper.getValue());
  }
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    public Pair<StringWrapper, Person> map(String input) {
      Person person = new Person();
      person.name = input;
      person.age = 42;
      person.siblingnames = Lists.<CharSequence> newArrayList();
      return Pair.of(new StringWrapper(input), person);
    }
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  }

  @Test
  public void testJoin() {

    StringWrapper key = new StringWrapper();
    StringWrapper leftValue = new StringWrapper();
    key.setValue("left-only");
    leftValue.setValue("left-only-left");
    joinFn.join(key, 0, createValuePairList(leftValue, null), emitter);

    key.setValue("both");
    leftValue.setValue("both-left");
    joinFn.join(key, 0, createValuePairList(leftValue, null), emitter);
    joinFn.join(key, 1, createValuePairList(null, "both-right"), emitter);

    key.setValue("right-only");
    joinFn.join(key, 1, createValuePairList(null, "right-only-right"), emitter);
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    AvroFileReaderFactory<StringWrapper> genericReader = createFileReaderFactory(Avros.reflects(StringWrapper.class));
    Iterator<StringWrapper> recordIterator = genericReader.read(FileSystem.getLocal(new Configuration()), new Path(
        this.avroFile.getAbsolutePath()));

    StringWrapper stringWrapper = recordIterator.next();

    assertEquals("stringvalue", stringWrapper.getValue());
    assertFalse(recordIterator.hasNext());
  }
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Related Classes of org.apache.crunch.test.StringWrapper

  • org.apache.crunch.impl.mr.emit.IntermediateEmitterTest
  • org.apache.crunch.io.avro.AvroFileReaderFactoryTest
  • org.apache.crunch.io.avro.AvroFileSourceTargetIT
  • org.apache.crunch.io.avro.AvroPipelineIT
  • org.apache.crunch.io.avro.AvroReflectIT
  • org.apache.crunch.io.avro.trevni.TrevniFileSourceTargetIT
  • org.apache.crunch.lib.join.BrokenLeftAndOuterJoinTest
  • org.apache.crunch.lib.join.JoinFnTestBase
  • org.apache.crunch.MaterializeIT$StringToStringWrapperPersonPairMapFn
  • org.apache.crunch.types.avro.AvrosTest
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