RCFileBlockMergeInputFormat.java example

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.hadoop.hive.ql.io.rcfile.merge;

import java.io.IOException;

import org.apache.hadoop.hive.ql.io.merge.MergeFileInputFormat;
import org.apache.hadoop.mapred.FileSplit;
import org.apache.hadoop.mapred.InputSplit;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.RecordReader;
import org.apache.hadoop.mapred.Reporter;

public class RCFileBlockMergeInputFormat extends MergeFileInputFormat {

  @Override
  public RecordReader<RCFileKeyBufferWrapper, RCFileValueBufferWrapper>
    getRecordReader(InputSplit split, JobConf job, Reporter reporter)
    throws IOException {

    reporter.setStatus(split.toString());
    return new RCFileBlockMergeRecordReader(job, (FileSplit) split);
  }

}