| /* |
| * Copyright 2009-2013 by The Regents of the University of California |
| * 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 from |
| * |
| * 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 edu.uci.ics.hyracks.dataflow.hadoop.util; |
| |
| import java.util.Properties; |
| |
| import org.apache.hadoop.io.LongWritable; |
| import org.apache.hadoop.io.Text; |
| |
| import edu.uci.ics.hyracks.api.dataflow.IDataWriter; |
| import edu.uci.ics.hyracks.api.exceptions.HyracksDataException; |
| import edu.uci.ics.hyracks.dataflow.std.map.IDeserializedMapper; |
| |
| public class PreappendLongWritableMapper implements IDeserializedMapper { |
| |
| @Override |
| public void map(Object[] data, IDataWriter<Object[]> writer) throws HyracksDataException { |
| writer.writeData(new Object[] { new LongWritable(0), new Text(String.valueOf(data[0])) }); |
| } |
| } |