Package org.apache.hadoop.mapred

Examples of org.apache.hadoop.mapred.TextInputFormat$LineRecordReader$TextStuffer

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    this.split = new FileSplit( new Path( file ), offset, length, defaultConf);

    this.hasMore = true;
    this.jobConf = defaultConf;
    //this.split = split;
    this.input_format = new TextInputFormat();

    try {
      this.reader = input_format.getRecordReader(this.split, this.jobConf, voidReporter);
    } catch (IOException e) {
      // TODO Auto-generated catch block
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    // ---- set where we'll read the input files from -------------
    FileInputFormat.setInputPaths(job, input_path);

    // try splitting the file in a variety of sizes
    TextInputFormat format = new TextInputFormat();
    format.configure(job);

    int numSplits = 1;

    InputSplit[] splits = null;

    try {
      splits = format.getSplits(job, numSplits);
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
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    final int numFiles = 10;

    createFiles(length, numFiles, random);

    // create a combined split for the files
    TextInputFormat wrappedFormat = new TextInputFormat();
    wrappedFormat.configure(job);
    TezGroupedSplitsInputFormat<LongWritable , Text> format =
        new TezGroupedSplitsInputFormat<LongWritable, Text>();
    format.setConf(job);
    format.setDesiredNumberOfSplits(1);
    format.setInputFormat(wrappedFormat);
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    writeFile(localFs, new Path(workDir, "part2.txt.gz"), gzip,
              "is\ngzip\n");
    writeFile(localFs, new Path(workDir, "part3.txt.gz"), gzip,
        "one\nmore\nsplit\n");
    FileInputFormat.setInputPaths(job, workDir);
    TextInputFormat wrappedFormat = new TextInputFormat();
    wrappedFormat.configure(job);
    TezGroupedSplitsInputFormat<LongWritable , Text> format =
        new TezGroupedSplitsInputFormat<LongWritable, Text>();
    format.setConf(job);
    format.setInputFormat(wrappedFormat);
   
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  TextInputFormat format;
  JobConf job;

  public Base64TextInputFormat() {
    format = new TextInputFormat();
  }
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  public RecordReader<LongWritable, Text> getRecordReader(
      InputSplit split, JobConf job, Reporter reporter) throws IOException {
    InputSplit targetSplit = ((SymlinkTextInputSplit)split).getTargetSplit();

    // The target data is in TextInputFormat.
    TextInputFormat inputFormat = new TextInputFormat();
    inputFormat.configure(job);
    RecordReader innerReader = null;
    try {
      innerReader = inputFormat.getRecordReader(targetSplit, job,
          reporter);
    } catch (Exception e) {
      innerReader = HiveIOExceptionHandlerUtil
          .handleRecordReaderCreationException(e, job);
    }
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    if (targetPaths.size() == 0) {
      return new InputSplit[0];
    }

    // The input should be in TextInputFormat.
    TextInputFormat inputFormat = new TextInputFormat();
    JobConf newjob = new JobConf(job);
    newjob.setInputFormat(TextInputFormat.class);
    inputFormat.configure(newjob);

    List<InputSplit> result = new ArrayList<InputSplit>();

    // ceil(numSplits / numPaths), so we can get at least numSplits splits.
    int numPaths = targetPaths.size();
    int numSubSplits = (numSplits + numPaths - 1) / numPaths;

    // For each path, do getSplits().
    for (int i = 0; i < numPaths; ++i) {
      Path targetPath = targetPaths.get(i);
      Path symlinkPath = symlinkPaths.get(i);

      FileInputFormat.setInputPaths(newjob, targetPath);

      InputSplit[] iss = inputFormat.getSplits(newjob, numSubSplits);
      for (InputSplit is : iss) {
        result.add(new SymlinkTextInputSplit(symlinkPath, (FileSplit)is));
      }
    }
    return result.toArray(new InputSplit[result.size()]);
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  public RecordReader<LongWritable, Text> getRecordReader(
      InputSplit split, JobConf job, Reporter reporter) throws IOException {
    InputSplit targetSplit = ((SymlinkTextInputSplit)split).getTargetSplit();

    // The target data is in TextInputFormat.
    TextInputFormat inputFormat = new TextInputFormat();
    inputFormat.configure(job);
    return inputFormat.getRecordReader(targetSplit, job, reporter);
  }
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    if (targetPaths.size() == 0) {
      return new InputSplit[0];
    }

    // The input should be in TextInputFormat.
    TextInputFormat inputFormat = new TextInputFormat();
    JobConf newjob = new JobConf(job);
    newjob.setInputFormat(TextInputFormat.class);
    inputFormat.configure(newjob);

    List<InputSplit> result = new ArrayList<InputSplit>();

    // ceil(numSplits / numPaths), so we can get at least numSplits splits.
    int numPaths = targetPaths.size();
    int numSubSplits = (numSplits + numPaths - 1) / numPaths;

    // For each path, do getSplits().
    for (int i = 0; i < numPaths; ++i) {
      Path targetPath = targetPaths.get(i);
      Path symlinkPath = symlinkPaths.get(i);

      FileInputFormat.setInputPaths(newjob, targetPath);

      InputSplit[] iss = inputFormat.getSplits(newjob, numSubSplits);
      for (InputSplit is : iss) {
        result.add(new SymlinkTextInputSplit(symlinkPath, (FileSplit)is));
      }
    }
    return result.toArray(new InputSplit[result.size()]);
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  private static class TextRecordReaderWrapper
    extends org.apache.hadoop.mapred.lib.CombineFileRecordReaderWrapper<LongWritable,Text> {
    // this constructor signature is required by CombineFileRecordReader
    public TextRecordReaderWrapper(CombineFileSplit split, Configuration conf,
      Reporter reporter, Integer idx) throws IOException {
      super(new TextInputFormat(), split, conf, reporter, idx);
    }
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