NQuadsOutputFormat.java example

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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.jena.hadoop.rdf.io.output.nquads;

import java.io.Writer;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.mapreduce.RecordWriter;
import org.apache.jena.hadoop.rdf.io.output.AbstractNodeTupleOutputFormat;
import org.apache.jena.hadoop.rdf.io.output.writers.nquads.NQuadsWriter;
import org.apache.jena.hadoop.rdf.types.QuadWritable;
import org.apache.jena.sparql.core.Quad ;

/**
 * NQuads output format
 * 
 * 
 * 
 * @param <TKey>
 *            Key type
 */
public class NQuadsOutputFormat<TKey> extends AbstractNodeTupleOutputFormat<TKey, Quad, QuadWritable> {

    @Override
    protected RecordWriter<TKey, QuadWritable> getRecordWriter(Writer writer, Configuration config, Path outputPath) {
        return new NQuadsWriter<TKey>(writer);
    }

    @Override
    protected String getFileExtension() {
        return ".nq";
    }

}