01: package net.sourceforge.squirrel_sql.fw.util;
02:
03: /*
04: * Copyright (C) 2001-2003 Colin Bell
05: * colbell@users.sourceforge.net
06: *
07: * This library is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU Lesser General Public
09: * License as published by the Free Software Foundation; either
10: * version 2.1 of the License, or (at your option) any later version.
11: *
12: * This library is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this library; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20: */
21: import java.util.EventObject;
22:
23: import net.sourceforge.squirrel_sql.fw.id.IHasIdentifier;
24:
25: /**
26: * This class is an event fired whenever an object is added to or removed from
27: * an <CODE>ObjectCache</CODE>.
28: *
29: * @author <A HREF="mailto:colbell@users.sourceforge.net">Colin Bell</A>
30: */
31: public class ObjectCacheChangeEvent<E extends IHasIdentifier> extends
32: EventObject {
33: /** The <CODE>ObjectCache</CODE> that object was added to/removed from. */
34: private ObjectCache<E> _cache;
35:
36: /** The object added/removed. */
37: private IHasIdentifier _obj;
38:
39: /**
40: * Ctor.
41: *
42: * @param source The <CODE>ObjectCache</CODE> that change has happened to.
43: * @param obj The object added/removed.
44: */
45: ObjectCacheChangeEvent(ObjectCache<E> source, IHasIdentifier obj) {
46: super (source);
47: _cache = source;
48: _obj = obj;
49: }
50:
51: /**
52: * Return the object added/removed.
53: */
54: public IHasIdentifier getObject() {
55: return _obj;
56: }
57:
58: /**
59: * Return the <CODE>ObjectCache</CODE>.
60: */
61: public ObjectCache<E> getObjectCache() {
62: return _cache;
63: }
64: }
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