Examples of writeTextFile()

Examples of org.apache.crunch.Pipeline.writeTextFile()

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  @Test
  public void testMemPipelineFileWriter() throws Exception {
    File tmpDir = baseTmpDir.getFile("mempipe");
    Pipeline p = MemPipeline.getInstance();
    PCollection<String> lines = MemPipeline.collectionOf("hello", "world");
    p.writeTextFile(lines, tmpDir.toString());
    p.done();
    assertTrue(tmpDir.exists());
    File[] files = tmpDir.listFiles();
    assertTrue(files != null && files.length > 0);
    for (File f : files) {
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Examples of org.apache.crunch.Pipeline.writeTextFile()

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    // Calculate average response size by ip address
    PTable<String, Double> avgs = remoteAddrResponseSize.parallelDo(calulateAverage,
        Writables.tableOf(Writables.strings(), Writables.doubles()));

    // write the result to a text file
    pipeline.writeTextFile(avgs, args[1]);
    // Execute the pipeline as a MapReduce.
    PipelineResult result = pipeline.done();

    return result.succeeded() ? 0 : 1;
  }
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Examples of org.apache.crunch.Pipeline.writeTextFile()

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    // Table of (ip, sum(response size))
    PTable<String, Long> ipAddrResponseSize = lines
        .parallelDo(extractIPResponseSize, Writables.tableOf(Writables.strings(), Writables.longs())).groupByKey()
        .combineValues(agg);

    pipeline.writeTextFile(ipAddrResponseSize, args[1]);
    // Execute the pipeline as a MapReduce.
    PipelineResult result = pipeline.done();

    return result.succeeded() ? 0 : 1;
  }
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Examples of org.apache.crunch.Pipeline.writeTextFile()

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    // Best of all, the count() function doesn't need to know anything about
    // the kind of data stored in the input PCollection.
    PTable<String, Long> counts = words.count();

    // Instruct the pipeline to write the resulting counts to a text file.
    pipeline.writeTextFile(counts, args[1]);
    // Execute the pipeline as a MapReduce.
    PipelineResult result = pipeline.done();

    return result.succeeded() ? 0 : 1;
  }
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Examples of org.apache.crunch.Pipeline.writeTextFile()

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        // The count method applies a series of Crunch primitives and returns
        // a map of the unique words in the input PCollection to their counts.
        PTable<String, Long> counts = noStopWords.count();

        // Instruct the pipeline to write the resulting counts to a text file.
        pipeline.writeTextFile(counts, outputPath);

        // Execute the pipeline as a MapReduce.
        PipelineResult result = pipeline.done();

        return result.succeeded() ? 0 : 1;
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Examples of org.apache.crunch.Pipeline.writeTextFile()

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  @Test
  public void testMemPipelineFileWriter() throws Exception {
    File tmpDir = baseTmpDir.getRootFile();
    Pipeline p = MemPipeline.getInstance();
    PCollection<String> lines = MemPipeline.collectionOf("hello", "world");
    p.writeTextFile(lines, tmpDir.getAbsolutePath());
    p.done();
    assertTrue(tmpDir.exists());
    File[] files = tmpDir.listFiles();
    assertTrue(files != null && files.length > 0);
    for (File f : files) {
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Examples of org.apache.crunch.impl.mr.MRPipeline.writeTextFile()

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    PTable<String, String> ungroupedTableB = groupedLineTable.ungroup();
   
    File outputDirA = tmpDir.getFile("output_a");
    File outputDirB = tmpDir.getFile("output_b");
   
    pipeline.writeTextFile(ungroupedTableA, outputDirA.getAbsolutePath());
    pipeline.writeTextFile(ungroupedTableB, outputDirB.getAbsolutePath());
    PipelineResult result = pipeline.done();
    for(StageResult stageResult : result.getStageResults()){
      assertTrue(stageResult.getStageName().length() > 1);
      assertTrue(stageResult.getStageId().length() > 1);
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Examples of org.apache.crunch.impl.mr.MRPipeline.writeTextFile()

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    File outputDirA = tmpDir.getFile("output_a");
    File outputDirB = tmpDir.getFile("output_b");
   
    pipeline.writeTextFile(ungroupedTableA, outputDirA.getAbsolutePath());
    pipeline.writeTextFile(ungroupedTableB, outputDirB.getAbsolutePath());
    PipelineResult result = pipeline.done();
    for(StageResult stageResult : result.getStageResults()){
      assertTrue(stageResult.getStageName().length() > 1);
      assertTrue(stageResult.getStageId().length() > 1);
    }
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Examples of org.apache.crunch.impl.mr.MRPipeline.writeTextFile()

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    // Calculate average response size by ip address
    PTable<String, Double> avgs = remoteAddrResponseSize.parallelDo(calulateAverage,
        Writables.tableOf(Writables.strings(), Writables.doubles()));

    // write the result to a text file
    pipeline.writeTextFile(avgs, args[1]);
    // Execute the pipeline as a MapReduce.
    PipelineResult result = pipeline.done();

    return result.succeeded() ? 0 : 1;
  }
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Examples of org.apache.crunch.impl.mr.MRPipeline.writeTextFile()

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    // Calculate average response size by ip address
    PTable<String, Double> avgs = remoteAddrResponseSize.parallelDo(calulateAverage,
        Writables.tableOf(Writables.strings(), Writables.doubles()));

    // write the result to a text file
    pipeline.writeTextFile(avgs, args[1]);
    // Execute the pipeline as a MapReduce.
    PipelineResult result = pipeline.done();

    return result.succeeded() ? 0 : 1;
  }
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