/*
* 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.trig;
import java.io.Writer;
import org.apache.hadoop.mapreduce.RecordWriter;
import org.apache.jena.hadoop.rdf.io.output.AbstractBatchedNodeTupleOutputFormat;
import org.apache.jena.hadoop.rdf.io.output.writers.trig.BatchedTriGWriter;
import org.apache.jena.hadoop.rdf.types.QuadWritable;
import org.apache.jena.sparql.core.Quad ;
/**
* Output format for TriG that uses a batched approach, note that this will
* produce invalid data where blank nodes span batches so it is typically better
* to use the {@link TriGOutputFormat} instead
*
*
*
* @param <TKey>
* Key type
*/
public class BatchedTriGOutputFormat<TKey> extends
AbstractBatchedNodeTupleOutputFormat<TKey, Quad, QuadWritable> {
@Override
protected RecordWriter<TKey, QuadWritable> getRecordWriter(Writer writer,
long batchSize) {
return new BatchedTriGWriter<TKey>(writer, batchSize);
}
@Override
protected String getFileExtension() {
return ".trig";
}
}