| /* |
| * 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.algebra.op; |
| |
| import java.util.Objects; |
| |
| import org.apache.jena.graph.Triple; |
| import org.apache.jena.sparql.algebra.Op; |
| import org.apache.jena.sparql.algebra.OpVisitor; |
| import org.apache.jena.sparql.algebra.Transform; |
| import org.apache.jena.sparql.core.Var; |
| import org.apache.jena.sparql.sse.Tags; |
| import org.apache.jena.sparql.util.Iso; |
| import org.apache.jena.sparql.util.NodeIsomorphismMap; |
| |
| public class OpFind extends Op0 { |
| |
| private final Triple triple; |
| private final Var var; |
| |
| public OpFind(Triple triple, Var var) { |
| super(); |
| this.triple = triple; |
| this.var = var; |
| } |
| |
| @Override |
| public String getName() { |
| return Tags.tagFind; |
| } |
| |
| @Override |
| public Op apply(Transform transform) { |
| return transform.transform(this); |
| } |
| |
| @Override |
| public Op0 copy() { |
| OpFind op = new OpFind(triple, var); |
| return op; |
| } |
| |
| @Override |
| public void visit(OpVisitor opVisitor) { |
| opVisitor.visit(this) ; |
| } |
| |
| public Triple getTriple() { |
| return triple; |
| } |
| |
| public Var getVar() { |
| return var; |
| } |
| |
| @Override |
| public boolean equalTo(Op other, NodeIsomorphismMap labelMap) { |
| if ( other == null ) |
| return false; |
| if ( this == other ) |
| return true; |
| if ( ! (other instanceof OpFind) ) |
| return false ; |
| OpFind opFind = (OpFind)other; |
| if ( ! Objects.equals(getVar(), opFind.getVar()) ) |
| return false; |
| return Iso.tripleIso(getTriple(), opFind.getTriple(), labelMap) ; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(triple, var); |
| } |
| } |