/*
* 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.riot.lang ;
import org.apache.jena.riot.system.StreamRDF ;
/**
* Abstract implementation of a producer class that implements {@code StreamRDF};
* use one of the concrete implementations that match the RDF primitive you are using.
* @param <T> Type corresponding to a supported RDF primitive
*
* @see PipedTriplesStream
* @see PipedQuadsStream
* @see PipedTuplesStream
*/
public abstract class PipedRDFStream<T> implements StreamRDF
{
private final PipedRDFIterator<T> sink ;
protected PipedRDFStream(PipedRDFIterator<T> sink)
{
this.sink = sink ;
this.sink.connect();
}
protected void receive(T t)
{
sink.receive(t) ;
}
@Override
public void base(String base)
{
sink.base(base) ;
}
@Override
public void prefix(String prefix, String iri)
{
sink.prefix(prefix, iri) ;
}
@Override
public void start()
{
sink.start() ;
}
@Override
public void finish()
{
sink.finish() ;
}
}