Package org.apache.crunch.impl.mr

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

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

    return result.succeeded() ? 0 : 1;
  }
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        .parallelDo(new StringWrapper.StringWrapperToStringMapFn(), Writables.strings());

    String outputA = tmpDir.getFileName("stringsA");
    String outputB = tmpDir.getFileName("stringsB");

    pipeline.writeTextFile(stringsA, outputA);
    pipeline.writeTextFile(stringsB, outputB);
    PipelineResult pipelineResult = pipeline.done();

    // Make sure fusing did actually occur
    assertEquals(1, pipelineResult.getStageResults().size());
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    String outputA = tmpDir.getFileName("stringsA");
    String outputB = tmpDir.getFileName("stringsB");

    pipeline.writeTextFile(stringsA, outputA);
    pipeline.writeTextFile(stringsB, outputB);
    PipelineResult pipelineResult = pipeline.done();

    // Make sure fusing did actually occur
    assertEquals(1, pipelineResult.getStageResults().size());
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              }
            }
          }
        });

    pipeline.writeTextFile(result, tmpDir.getFileName("unused"));
    Assert.assertTrue("Should succeed", pipeline.done().succeeded());
  }
}
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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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    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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