| package org.apache.rya.api.utils; |
| |
| /* |
| * 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. |
| */ |
| |
| import org.eclipse.rdf4j.model.IRI; |
| import org.eclipse.rdf4j.model.Resource; |
| import org.eclipse.rdf4j.model.Statement; |
| import org.eclipse.rdf4j.model.Value; |
| |
| /** |
| * Class NullableStatementImpl |
| * Date: Feb 23, 2011 |
| * Time: 10:37:34 AM |
| */ |
| public class NullableStatementImpl implements Statement { |
| |
| private Resource subject; |
| private IRI predicate; |
| private Value object; |
| private Resource[] contexts; |
| |
| public NullableStatementImpl(Resource subject, IRI predicate, Value object, Resource... contexts) { |
| this.subject = subject; |
| this.predicate = predicate; |
| this.object = object; |
| this.contexts = contexts; |
| } |
| |
| @Override |
| public int hashCode() { |
| return 961 * ((this.getSubject() == null) ? (0) : (this.getSubject().hashCode())) + |
| 31 * ((this.getPredicate() == null) ? (0) : (this.getPredicate().hashCode())) + |
| ((this.getObject() == null) ? (0) : (this.getObject().hashCode())); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(256); |
| sb.append("("); |
| sb.append(getSubject()); |
| sb.append(", "); |
| sb.append(getPredicate()); |
| sb.append(", "); |
| sb.append(getObject()); |
| sb.append(")"); |
| return sb.toString(); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (this == other) |
| return true; |
| if (other instanceof Statement) { |
| Statement otherSt = (Statement) other; |
| return this.hashCode() == otherSt.hashCode(); |
| } else { |
| return false; |
| } |
| } |
| |
| public Value getObject() { |
| return object; |
| } |
| |
| public IRI getPredicate() { |
| return predicate; |
| } |
| |
| public Resource getSubject() { |
| return subject; |
| } |
| |
| public Resource getContext() { |
| if (contexts == null || contexts.length == 0) |
| return null; |
| else return contexts[0]; |
| } |
| |
| public Resource[] getContexts() { |
| return contexts; |
| } |
| |
| public void setContexts(Resource[] contexts) { |
| this.contexts = contexts; |
| } |
| } |