Package org.apache.crunch

Examples of org.apache.crunch.Target

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    if (!outputs.containsKey(splitTarget)) {
      outputs.put(splitTarget, Sets.<Target> newHashSet());
    }

    SourceTarget srcTarget = null;
    Target targetToReplace = null;
    for (Target t : outputs.get(splitTarget)) {
      if (t instanceof SourceTarget) {
        srcTarget = (SourceTarget<?>) t;
        break;
      } else {
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        dotfileWriter.formatPCollectionNodeDeclaration(inputCollection, jobPrototype));
  }

  @Test
  public void testFormatTargetNodeDeclaration() {
    Target target = mock(Target.class);
    when(target.toString()).thenReturn("target/path");

    assertEquals("\"target/path\" [label=\"target/path\" shape=folder];",
        dotfileWriter.formatTargetNodeDeclaration(target));
  }
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    if (!outputs.containsKey(splitTarget)) {
      outputs.put(splitTarget, Sets.<Target> newHashSet());
    }

    SourceTarget srcTarget = null;
    Target targetToReplace = null;
    for (Target t : outputs.get(splitTarget)) {
      if (t instanceof SourceTarget) {
        srcTarget = (SourceTarget<?>) t;
        break;
      } else {
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    if (!outputs.containsKey(splitTarget)) {
      outputs.put(splitTarget, Sets.<Target> newHashSet());
    }

    SourceTarget srcTarget = null;
    Target targetToReplace = null;
    for (Target t : outputs.get(splitTarget)) {
      if (t instanceof SourceTarget) {
        srcTarget = (SourceTarget<?>) t;
        break;
      } else {
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    Pipeline pipeline = new MRPipeline(TrevniKeyPipelineIT.class, tmpDir.getDefaultConfiguration());
    PCollection<Person> genericCollection = pipeline.read(At.avroFile(avroFile.getAbsolutePath(),
        Avros.records(Person.class)));
    File outputFile = tmpDir.getFile("output");
    Target trevniFile = new TrevniKeyTarget(outputFile.getAbsolutePath());
    pipeline.write(genericCollection, trevniFile);
    pipeline.run();

    Person person = genericCollection.materialize().iterator().next();
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    Pipeline pipeline = new MRPipeline(TrevniKeyPipelineIT.class, tmpDir.getDefaultConfiguration());
    PCollection<Person> genericCollection = pipeline.read(At.avroFile(avroFile.getAbsolutePath(),
        Avros.records(Person.class)));
    File outputFile = tmpDir.getFile("output");
    Target trevniFile = new TrevniKeyTarget(outputFile.getAbsolutePath());
    pipeline.write(genericCollection, trevniFile);
    pipeline.run();

    Person person = genericCollection.materialize().iterator().next();
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    if (!outputs.containsKey(splitTarget)) {
      outputs.put(splitTarget, Sets.<Target> newHashSet());
    }

    SourceTarget srcTarget = null;
    Target targetToReplace = null;
    for (Target t : outputs.get(splitTarget)) {
      if (t instanceof SourceTarget) {
        srcTarget = (SourceTarget<?>) t;
        break;
      } else {
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    writeFile(expected, infilename);

    Pipeline memPipeline = MemPipeline.getInstance();
    PCollection<String> memPColl = memPipeline.readTextFile(infilename);
    Target memTarget = new TextFileTarget(memOutFilename);
    memPipeline.write(memPColl, memTarget, WriteMode.OVERWRITE);
    memPipeline.run();
    File outDir = new File(memOutFilename);
    File actualMemOut = null;
    for (File f : outDir.listFiles()) {
      String name = f.getName();
      if (name.contains("out") && name.endsWith(".txt")) {
        actualMemOut = f;
        break;
      }
    }
    String actualMemText = Files.readFirstLine(actualMemOut, Charsets.UTF_8);

    Pipeline mrPipeline = new MRPipeline(getClass());
    PCollection<String> mrPColl = mrPipeline.readTextFile(infilename);
    Target mrTarget = new TextFileTarget(mrOutFilename);
    mrPipeline.write(mrPColl, mrTarget, WriteMode.OVERWRITE);
    mrPipeline.run();
    String actualMrText = Files.readFirstLine(new File(mrOutFilename + "/part-m-00000"), Charsets.UTF_8);

    Assert.assertEquals("MR file mismatch", expected, actualMrText);
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  @Test
  public void testMemPipelineWriteSequenceFile_PCollection() throws IOException {
    // write
    PCollection<String> collection = MemPipeline.typedCollectionOf(Writables.strings(), EXPECTED_COLLECTION);
    final Target target = To.sequenceFile(outputDir.toString());
    MemPipeline.getInstance().write(collection, target);

    // read
    final SequenceFile.Reader reader = new Reader(FileSystem.getLocal(
      baseTmpDir.getDefaultConfiguration()),
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    // write
    final MemTable<Integer, String> collection = new MemTable<Integer, String>(EXPECTED_TABLE, //
        Writables.tableOf(
          Writables.ints(),
          Writables.strings()), "test input");
    final Target target = To.sequenceFile(outputDir.toString());
    MemPipeline.getInstance().write(collection, target);

    // read
    final SequenceFile.Reader reader = new Reader(FileSystem.getLocal(baseTmpDir
        .getDefaultConfiguration()), new Path(getOutputFile(outputDir, "*.seq").toString()),
 
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Related Classes of org.apache.crunch.Target

  • org.apache.crunch.hadoop.mapreduce.lib.jobcontrol.CrunchJobControlTest
  • org.apache.crunch.impl.mem.MemPipelineFileReadingWritingIT
  • org.apache.crunch.impl.mem.MemPipelineUTF8IT
  • org.apache.crunch.impl.mr.plan.DotfileWriterTest
  • org.apache.crunch.impl.mr.plan.MSCRPlanner
  • org.apache.crunch.io.avro.AvroPipelineIT
  • org.apache.crunch.io.avro.trevni.TrevniKeyPipelineIT
  • org.apache.crunch.io.parquet.AvroParquetFileSourceTargetIT
  • org.apache.crunch.io.parquet.AvroParquetPipelineIT
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