private TaskAttemptContext getContext(String namedOutput, TaskAttemptContext baseContext)
throws IOException {
Job job = getJob(baseContext.getJobID(), namedOutput, baseContext.getConfiguration());
configureJob(namedOutput, job, outputs.get(namedOutput));
return getTaskContext(baseContext, job);
}
public static OutputCommitter getOutputCommitter(TaskAttemptContext tac)
throws IOException, InterruptedException {
Map<String, OutputConfig> outputs = getNamedOutputs(tac.getConfiguration());
Map<String, OutputCommitter> committers = Maps.newHashMap();
for (Map.Entry<String, OutputConfig> e : outputs.entrySet()) {
String namedOutput = e.getKey();
Job job = getJob(tac.getJobID(), e.getKey(), tac.getConfiguration());
OutputFormat fmt = getOutputFormat(namedOutput, job, e.getValue());
TaskAttemptContext taskContext = getTaskContext(tac, job);
OutputCommitter oc = fmt.getOutputCommitter(taskContext);
committers.put(namedOutput, oc);
}
return new CompositeOutputCommitter(outputs, committers);
}