]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.db.common/src/org/simantics/db/common/request/SetResourceRead2.java
Fixed multiple issues causing dangling references to discarded queries
[simantics/platform.git] / bundles / org.simantics.db.common / src / org / simantics / db / common / request / SetResourceRead2.java
1 /*******************************************************************************
2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
3  * in Industry THTH ry.
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
8  *
9  * Contributors:
10  *     VTT Technical Research Centre of Finland - initial API and implementation
11  *******************************************************************************/
12 package org.simantics.db.common.request;
13
14 import org.simantics.db.Resource;
15 import org.simantics.db.procedure.SyncSetListener;
16
17 abstract public class SetResourceRead2<T> extends SyncSetResourceRead<T> {
18
19     final protected Resource resource2;
20
21     @Override
22     public int hashCode() {
23         return resource.hashCode() + 31 * resource2.hashCode() + 41 * procedure.hashCode();
24     }
25
26     @Override
27     public boolean equals(Object object) {
28         if (this == object)
29             return true;
30         else if (object == null)
31             return false;
32         else if (getClass() != object.getClass())
33             return false;
34         SetResourceRead2<?> r = (SetResourceRead2<?>)object;
35         return resource.equals(r.resource) && resource2.equals(r.resource2) && procedure.equals(r.procedure);
36     }
37
38     @Override
39     public int getFlags() {
40         return 0;
41     }
42
43     public SetResourceRead2(Resource resource, Resource predicate, SyncSetListener<T> procedure) {
44         super(resource, procedure);
45         this.resource2 = predicate;
46     }
47
48 }