/*
*
* Licensed 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.hive.storage.jdbc;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hive.ql.exec.FileSinkOperator.RecordWriter;
import org.apache.hadoop.hive.ql.io.HiveOutputFormat;
import org.apache.hadoop.io.MapWritable;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.io.Writable;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.OutputFormat;
import org.apache.hadoop.util.Progressable;
import java.io.IOException;
import java.util.Properties;
public class JdbcOutputFormat implements OutputFormat<NullWritable, MapWritable>,
HiveOutputFormat<NullWritable, MapWritable> {
/**
* {@inheritDoc}
*/
@Override
public RecordWriter getHiveRecordWriter(JobConf jc,
Path finalOutPath,
Class<? extends Writable> valueClass,
boolean isCompressed,
Properties tableProperties,
Progressable progress) throws IOException {
throw new UnsupportedOperationException("Write operations are not allowed.");
}
/**
* {@inheritDoc}
*/
@Override
public org.apache.hadoop.mapred.RecordWriter<NullWritable, MapWritable> getRecordWriter(FileSystem ignored,
JobConf job,
String name,
Progressable progress) throws IOException {
throw new UnsupportedOperationException("Write operations are not allowed.");
}
/**
* {@inheritDoc}
*/
@Override
public void checkOutputSpecs(FileSystem ignored, JobConf job) throws IOException {
// do nothing
}
}