/*
* 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.jena.hadoop.rdf.io;
import java.io.IOException;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.mapreduce.Mapper;
import org.apache.jena.hadoop.rdf.types.TripleWritable;
import org.apache.log4j.Logger;
/**
* A test mapper which takes in line based RDF triple input and just produces triples
*
*
*/
public class RdfTriplesInputTestMapper extends Mapper<LongWritable, TripleWritable, NullWritable, TripleWritable> {
private static final Logger LOG = Logger.getLogger(RdfTriplesInputTestMapper.class);
@Override
protected void map(LongWritable key, TripleWritable value, Context context)
throws IOException, InterruptedException {
LOG.info("Line " + key.toString() + " => " + value.toString());
context.write(NullWritable.get(), value);
}
}