/*
* 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.input.readers;
import java.util.Iterator;
import org.apache.jena.hadoop.rdf.types.QuadWritable;
import org.apache.jena.riot.system.ParserProfile;
import org.apache.jena.riot.tokens.Tokenizer;
import org.apache.jena.sparql.core.Quad ;
/**
* An abstract reader for line based quad formats
*
*
*
*/
public abstract class AbstractLineBasedQuadReader extends AbstractLineBasedNodeTupleReader<Quad, QuadWritable> {
@Override
protected Iterator<Quad> getIterator(String line, ParserProfile profile) {
Tokenizer tokenizer = getTokenizer(line);
return getQuadsIterator(tokenizer, profile);
}
@Override
protected QuadWritable createInstance(Quad q) {
return new QuadWritable(q);
}
protected abstract Tokenizer getTokenizer(String line);
protected abstract Iterator<Quad> getQuadsIterator(Tokenizer tokenizer, ParserProfile profile);
}