/* * (c) Copyright 2010 Talis Systems Ltd. * All rights reserved. * [See end of file] */ package org.openjena.riot.lang; import org.openjena.atlas.lib.Sink ; import org.openjena.atlas.lib.Sync ; import com.hp.hpl.jena.graph.Graph ; import com.hp.hpl.jena.graph.Node ; import com.hp.hpl.jena.sparql.core.DatasetGraph ; import com.hp.hpl.jena.sparql.core.Quad ; import com.hp.hpl.jena.sparql.util.Utils ; /** @see SinkTriplesToGraph */ public class SinkQuadsToDataset implements Sink { /* See also SinkToGraphTriples */ private final DatasetGraph dataset ; private Node graphNode = null ; private Graph graph = null ; public SinkQuadsToDataset(DatasetGraph dataset) { this.dataset = dataset ; } public void send(Quad quad) { if ( graph == null || ! Utils.equal(quad.getGraph(), graphNode) ) { // graph == null ==> Uninitialized // not equals ==> different graph to last time. graphNode = quad.getGraph() ; if ( quad.isTriple() ) graph = dataset.getDefaultGraph() ; else graph = dataset.getGraph(graphNode) ; } graph.add(quad.asTriple()) ; } public void flush() { if ( dataset instanceof Sync ) ((Sync)dataset).sync(); } public void close() {} } /* * (c) Copyright 2010 Talis Systems Ltd. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */