/*
* 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 com.hp.hpl.jena.sparql.modify.request;
import org.apache.jena.atlas.lib.Closeable ;
import org.apache.jena.atlas.lib.Sink ;
import com.hp.hpl.jena.graph.Node ;
import com.hp.hpl.jena.graph.Triple ;
import com.hp.hpl.jena.sparql.core.Quad ;
import com.hp.hpl.jena.sparql.core.TriplePath ;
import com.hp.hpl.jena.sparql.syntax.TripleCollector ;
/** Accumulate quads into a Sink (including allowing variables) during parsing. */
public class QuadAccSink implements TripleCollector, Closeable
{
protected Node graphNode = Quad.defaultGraphNodeGenerated ;
private final Sink<Quad> sink;
public QuadAccSink(Sink<Quad> sink)
{
this.sink = sink;
}
protected void check(Triple triple) {}
protected void check(Quad quad) {}
public void setGraph(Node n)
{
graphNode = n ;
}
public Node getGraph() { return graphNode ; }
public void addQuad(Quad quad)
{
check(quad) ;
sink.send(quad) ;
}
@Override
public void addTriple(Triple triple)
{
check(triple) ;
sink.send(new Quad(graphNode, triple)) ;
}
@Override
public void addTriplePath(TriplePath tPath)
{ throw new UnsupportedOperationException("Can't add paths to quads") ; }
@Override
public void close()
{
sink.close();
}
}