| /* |
| * Licensed 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. |
| * |
| * See the NOTICE file distributed with this work for additional |
| * information regarding copyright ownership. |
| */ |
| |
| package org.apache.jena.sparql.core; |
| |
| import org.apache.jena.graph.Node; |
| import org.apache.jena.graph.Triple; |
| |
| /** Match triples, quads, with wioldcar rules (null or {@link Node#ANY} are wildcards). */ |
| public class Match { |
| public static boolean match(Quad quad, Node g, Node s, Node p, Node o) { |
| return |
| match(quad.getGraph(), g) && |
| match(quad.getSubject(), s) && |
| match(quad.getPredicate(), p) && |
| match(quad.getObject(), o); |
| } |
| |
| public static boolean match(Triple triple, Node s, Node p, Node o) { |
| return |
| match(triple.getSubject(), s) && |
| match(triple.getPredicate(), p) && |
| match(triple.getObject(), o); |
| } |
| |
| public static boolean match(Node node, Node pattern) { |
| return pattern == null || pattern == Node.ANY || pattern.equals(node); |
| } |
| } |