How to use

co.cask.cdap.internal.app.runtime.batch.BasicOutputFormatProvider

constructor

 private static OutputFormatProvider getRootOutputFormatProvider(Job job, List<ProvidedOutput> outputsMap)
  throws ClassNotFoundException {
  OutputFormatProvider rootOutputFormatProvider;
  // There are 3 cases possible:
  // [1] output map is empty: user is not going through our APIs to add output; propagate the job's output format
  // [2] output map has single output: provided output format is set as the root OutputFormat
  // [3] output map has multiple outputs: RootOutputFormat is UnsupportedOutputFormat which has RecordWriter that
  // does not support writing. The OutputCommitter is effectively a no-op, as it runs as the RootOutputCommitter
  // in MultipleOutputsCommitter.

  if (outputsMap.isEmpty()) {
   rootOutputFormatProvider = new BasicOutputFormatProvider(job.getOutputFormatClass().getName(),
                                Collections.emptyMap());
  } else if (outputsMap.size() == 1) {
   rootOutputFormatProvider = outputsMap.get(0).getOutputFormatProvider();
  } else {
   rootOutputFormatProvider = new BasicOutputFormatProvider(UnsupportedOutputFormat.class.getName(),
                                Collections.emptyMap());
  }
  return rootOutputFormatProvider;
 }
}

 private static OutputFormatProvider getRootOutputFormatProvider(Job job, List<ProvidedOutput> outputsMap)
  throws ClassNotFoundException {
  OutputFormatProvider rootOutputFormatProvider;
  // There are 3 cases possible:
  // [1] output map is empty: user is not going through our APIs to add output; propagate the job's output format
  // [2] output map has single output: provided output format is set as the root OutputFormat
  // [3] output map has multiple outputs: RootOutputFormat is UnsupportedOutputFormat which has RecordWriter that
  // does not support writing. The OutputCommitter is effectively a no-op, as it runs as the RootOutputCommitter
  // in MultipleOutputsCommitter.

  if (outputsMap.isEmpty()) {
   rootOutputFormatProvider = new BasicOutputFormatProvider(job.getOutputFormatClass().getName(),
                                Collections.emptyMap());
  } else if (outputsMap.size() == 1) {
   rootOutputFormatProvider = outputsMap.get(0).getOutputFormatProvider();
  } else {
   rootOutputFormatProvider = new BasicOutputFormatProvider(UnsupportedOutputFormat.class.getName(),
                                Collections.emptyMap());
  }
  return rootOutputFormatProvider;
 }
}

@Override
public void prepareRun(BatchSinkContext context) throws Exception {
 OutputFormatProvider outputFormatProvider =
  new BasicOutputFormatProvider(TextOutputFormat.class.getCanonicalName(),
                 ImmutableMap.of(TextOutputFormat.OUTDIR, config.dirName));
 if (config.name != null) {
  Output output = Output.of(config.name, outputFormatProvider);
  output.alias(config.alias);
  context.addOutput(output);
 } else {
  context.addOutput(Output.of(config.alias, outputFormatProvider));
 }
}