/*
 * 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.parquet.hadoop.mapred;

import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.mapred.FileOutputCommitter;
import org.apache.hadoop.mapred.FileOutputFormat;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.JobContext;
import org.apache.parquet.hadoop.ParquetOutputCommitter;
import org.apache.parquet.hadoop.util.ContextUtil;

/**
 * Adapter for supporting ParquetOutputCommitter in mapred API
 */
public class MapredParquetOutputCommitter extends FileOutputCommitter {

  @Override
  public void commitJob(JobContext jobContext) throws IOException {
    super.commitJob(jobContext);
    Configuration conf = ContextUtil.getConfiguration(jobContext);
    Path outputPath = FileOutputFormat.getOutputPath(new JobConf(conf));
    ParquetOutputCommitter.writeMetaDataFile(conf, outputPath);
  }
}
