1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.db.common.request;
14 import org.simantics.db.AsyncReadGraph;
15 import org.simantics.db.Resource;
16 import org.simantics.db.procedure.AsyncProcedure;
17 import org.simantics.db.procedure.SyncSetListener;
18 import org.simantics.db.request.AsyncRead;
20 public abstract class SyncSetResourceRead<T> implements AsyncRead<Object>, SetListenerRead<T> {
22 final protected SyncSetListener<T> procedure;
23 final protected Resource resource;
26 public int hashCode() {
27 return resource.hashCode() + 31 * procedure.hashCode();
31 public int threadHash() {
32 return resource.getThreadHash();
36 public boolean equals(Object object) {
39 else if (object == null)
41 else if (getClass() != object.getClass())
43 SyncSetResourceRead<?> r = (SyncSetResourceRead<?>) object;
44 return resource.equals(r.resource) && procedure.equals(r.procedure);
47 public SyncSetResourceRead(Resource resource, SyncSetListener<T> procedure) {
48 this.resource = resource;
49 this.procedure = procedure;
53 public void perform(AsyncReadGraph graph, AsyncProcedure<Object> dummy) {
54 execute(graph, procedure);
55 dummy.execute(graph, null);