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;
27 public abstract class ResourceAsyncRead<T> implements AsyncRead<T>, ReadInterface<T> {
29 final protected Resource resource;
32 final public int hashCode() {
33 return resource.hashCode();
37 public int threadHash() {
38 return resource.getThreadHash();
42 final public boolean equals(Object object) {
45 else if (object == null)
47 else if (getClass() != object.getClass())
49 ResourceAsyncRead<?> r = (ResourceAsyncRead<?>) object;
50 return resource.equals(r.resource);
54 public int getFlags() {
58 public ResourceAsyncRead(Resource resource) {
59 if(resource == null) throw new IllegalArgumentException("Null resource.");
60 this.resource = resource;
64 public void request(AsyncRequestProcessor processor, AsyncProcedure<T> procedure) {
65 processor.asyncRequest(this, procedure);
69 public void request(AsyncRequestProcessor processor, Procedure<T> procedure) {
70 processor.asyncRequest(this, procedure);
74 public void request(AsyncRequestProcessor processor, SyncProcedure<T> procedure) {
75 processor.asyncRequest(this, procedure);
79 public void request(AsyncRequestProcessor processor, AsyncListener<T> procedure) {
80 processor.asyncRequest(this, procedure);
84 public void request(AsyncRequestProcessor processor, Listener<T> procedure) {
85 processor.asyncRequest(this, procedure);
89 public void request(AsyncRequestProcessor processor, SyncListener<T> procedure) {
90 processor.asyncRequest(this, procedure);
94 public T request(RequestProcessor processor) throws DatabaseException {
95 return processor.syncRequest(this);