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Phoenix Mapreduce JAR for use with the "hbase mapredcp" classpath
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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.phoenix.mapreduce;
import java.io.IOException;
import java.sql.SQLException;
import java.util.Collections;
import java.util.Set;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.mapreduce.JobContext;
import org.apache.hadoop.mapreduce.OutputCommitter;
import org.apache.hadoop.mapreduce.OutputFormat;
import org.apache.hadoop.mapreduce.RecordWriter;
import org.apache.hadoop.mapreduce.TaskAttemptContext;
import org.apache.hadoop.mapreduce.lib.db.DBWritable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* {@link OutputFormat} implementation for Phoenix.
*
*/
public class PhoenixOutputFormat extends OutputFormat {
private static final Logger LOGGER = LoggerFactory.getLogger(PhoenixOutputFormat.class);
public PhoenixOutputFormat() {
this(Collections.emptySet());
}
// FIXME Never used, and the ignore feature didn't work anyway
public PhoenixOutputFormat(Set propsToIgnore) {
}
@Override
public void checkOutputSpecs(JobContext jobContext) throws IOException, InterruptedException {
}
/**
*
*/
@Override
public OutputCommitter getOutputCommitter(TaskAttemptContext context) throws IOException, InterruptedException {
return new PhoenixOutputCommitter();
}
@Override
public RecordWriter getRecordWriter(TaskAttemptContext context) throws IOException, InterruptedException {
try {
return new PhoenixRecordWriter(context.getConfiguration());
} catch (SQLException e) {
LOGGER.error("Error calling PhoenixRecordWriter " + e.getMessage());
throw new RuntimeException(e);
}
}
}
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