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.AsyncRequestProcessor;
15 import org.simantics.db.RequestProcessor;
16 import org.simantics.db.Resource;
17 import org.simantics.db.exception.DatabaseException;
18 import org.simantics.db.procedure.AsyncListener;
19 import org.simantics.db.procedure.AsyncProcedure;
20 import org.simantics.db.procedure.Listener;
21 import org.simantics.db.procedure.Procedure;
22 import org.simantics.db.procedure.SyncListener;
23 import org.simantics.db.procedure.SyncProcedure;
24 import org.simantics.db.request.AsyncRead;
25 import org.simantics.db.request.ReadInterface;
26 import org.simantics.db.request.Request;
28 public abstract class ResourceAsyncRead2<T> implements AsyncRead<T>, Request, ReadInterface<T> {
30 final protected Resource resource;
31 final protected Resource resource2;
34 final public int hashCode() {
35 final int h1 = resource != null ? resource.hashCode() : 0;
36 final int h2 = resource2 != null ? resource2.hashCode() : 0;
41 public int threadHash() {
42 return resource.hashCode() >>> 16;
46 final public boolean equals(Object object) {
49 else if (object == null)
51 else if (getClass() != object.getClass())
53 ResourceAsyncRead2<?> r = (ResourceAsyncRead2<?>) object;
54 if(resource != null) {
55 if(!resource.equals(r.resource)) return false;
56 } else if(r.resource != null) return false;
57 if(resource2 != null) {
58 if(!resource2.equals(r.resource2)) return false;
59 } else if(r.resource2 != null) return false;
64 public int getFlags() {
68 public ResourceAsyncRead2(Resource resource, Resource resource2) {
69 this.resource = resource;
70 this.resource2 = resource2;
74 public void request(AsyncRequestProcessor processor, AsyncProcedure<T> procedure) {
75 processor.asyncRequest(this, procedure);
79 public void request(AsyncRequestProcessor processor, Procedure<T> procedure) {
80 processor.asyncRequest(this, procedure);
84 public void request(AsyncRequestProcessor processor, SyncProcedure<T> procedure) {
85 processor.asyncRequest(this, procedure);
89 public void request(AsyncRequestProcessor processor, AsyncListener<T> procedure) {
90 processor.asyncRequest(this, procedure);
94 public void request(AsyncRequestProcessor processor, Listener<T> procedure) {
95 processor.asyncRequest(this, procedure);
99 public void request(AsyncRequestProcessor processor, SyncListener<T> procedure) {
100 processor.asyncRequest(this, procedure);
104 public T request(RequestProcessor processor) throws DatabaseException {
105 return processor.syncRequest(this);