Example usage for org.apache.hadoop.mapreduce TaskAttemptContext getCredentials

Introduction

In this page you can find the example usage for org.apache.hadoop.mapreduce TaskAttemptContext getCredentials.

Prototype

public Credentials getCredentials();

Source Link

Document

Get credentials for the job.

Usage

From source file:com.cloudera.recordservice.hcatalog.mapreduce.HCatRecordReader.java

License:Apache License

private RecordReader<NullWritable, RecordServiceRecord> createBaseRecordReader(
        RecordServiceInputSplit recordServiceSplit, TaskAttemptContext taskContext) throws IOException {
    JobConf jobConf = HCatUtil.getJobConfFromContext(taskContext);
    HCatRSUtil.copyCredentialsToJobConf(taskContext.getCredentials(), jobConf);
    return new RecordServiceInputFormat().createRecordReader(recordServiceSplit, taskContext);
}

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From source file:com.cloudera.recordservice.hcatalog.mapreduce.HCatRSBaseInputFormat.java

License:Apache License

/**
 * Create the RecordReader for the given InputSplit. Returns the underlying
 * RecordReader if the required operations are supported and schema matches
 * with HCatTable schema. Returns an HCatRecordReader if operations need to
 * be implemented in HCat.//from w w w.ja va2 s  .  c o m
 * @param split the split
 * @param taskContext the task attempt context
 * @return the record reader instance, either an HCatRecordReader(later) or
 *         the underlying storage handler's RecordReader
 * @throws IOException or InterruptedException
 */
@Override
public RecordReader<WritableComparable, RecordServiceRecord> createRecordReader(InputSplit split,
        TaskAttemptContext taskContext) throws IOException, InterruptedException {
    JobConf jobConf = HCatUtil.getJobConfFromContext(taskContext);
    HCatRSUtil.copyCredentialsToJobConf(taskContext.getCredentials(), jobConf);
    return new HCatRecordReader();
}

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