| /* |
| * 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.sparql.core; |
| |
| import org.apache.jena.graph.Graph ; |
| import org.apache.jena.graph.GraphUtil ; |
| import org.apache.jena.graph.Node ; |
| |
| /** A DatasetGraph base class for triples+quads storage. |
| */ |
| public abstract class DatasetGraphTriplesQuads extends DatasetGraphBaseFind |
| { |
| @Override |
| final public void add(Quad quad) { |
| add(quad.getGraph(), quad.getSubject(), quad.getPredicate(), quad.getObject()) ; |
| } |
| |
| @Override |
| final public void delete(Quad quad) { |
| delete(quad.getGraph(), quad.getSubject(), quad.getPredicate(), quad.getObject()) ; |
| } |
| |
| @Override |
| final public void add(Node g, Node s, Node p, Node o) { |
| if ( Quad.isDefaultGraph(g) ) |
| addToDftGraph(s, p, o) ; |
| else |
| addToNamedGraph(g, s, p, o) ; |
| } |
| |
| @Override |
| final public void delete(Node g, Node s, Node p, Node o) { |
| if ( Quad.isDefaultGraph(g) ) |
| deleteFromDftGraph(s, p, o) ; |
| else |
| deleteFromNamedGraph(g, s, p, o) ; |
| } |
| |
| protected abstract void addToDftGraph(Node s, Node p, Node o) ; |
| protected abstract void addToNamedGraph(Node g, Node s, Node p, Node o) ; |
| protected abstract void deleteFromDftGraph(Node s, Node p, Node o) ; |
| protected abstract void deleteFromNamedGraph(Node g, Node s, Node p, Node o) ; |
| |
| // // Ensure we loop back here |
| // @Override |
| // public Graph getDefaultGraph() { |
| // return GraphView.createDefaultGraph(this) ; |
| // } |
| // |
| // @Override |
| // public Graph getGraph(Node graphNode) { |
| // return GraphView.createNamedGraph(this, graphNode) ; |
| // } |
| |
| // Default implementations - copy based. |
| |
| @Override |
| public void setDefaultGraph(Graph graph) { |
| GraphUtil.addInto(getDefaultGraph(), graph) ; |
| } |
| |
| @Override |
| public void addGraph(Node graphName, Graph graph) { |
| GraphUtil.addInto(getGraph(graphName), graph) ; |
| } |
| |
| @Override |
| public void removeGraph(Node graphName) { |
| deleteAny(graphName, Node.ANY, Node.ANY, Node.ANY) ; |
| } |
| } |