01: /*
02: *
03: *
04: * Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License version
09: * 2 only, as published by the Free Software Foundation.
10: *
11: * This program is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * General Public License version 2 for more details (a copy is
15: * included at /legal/license.txt).
16: *
17: * You should have received a copy of the GNU General Public License
18: * version 2 along with this work; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA
21: *
22: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
23: * Clara, CA 95054 or visit www.sun.com if you need additional
24: * information or have any questions.
25: */
26:
27: package com.sun.jumpimpl.module.eventqueue;
28:
29: import com.sun.jump.module.eventqueue.JUMPEventQueueModuleFactory;
30: import com.sun.jump.module.eventqueue.JUMPEventQueueModule;
31: import java.util.Map;
32:
33: /**
34: * <code>EventQueueModuleFactoryImpl</code> is a factory for
35: * <code>EventQueueModuleImpl</code>.
36: */
37: public class EventQueueModuleFactoryImpl extends
38: JUMPEventQueueModuleFactory {
39: /** The only instance of event queue module. */
40: private static JUMPEventQueueModule MODULE = null;
41:
42: /**
43: * Returns a <code>JUMPEventQueueModule</code> instance.
44: */
45: public JUMPEventQueueModule getModule() {
46: if (MODULE == null) {
47: MODULE = new EventQueueModuleImpl();
48: }
49: return MODULE;
50: }
51:
52: /**
53: * Loads the event queue factory and module.
54: *
55: * @param config properties of this module factory.
56: */
57: public void load(Map config) {
58: getModule().load(config);
59: }
60:
61: /**
62: * Unloads the event queue factory.
63: */
64: public void unload() {
65: if (MODULE != null) {
66: MODULE.unload();
67: }
68: }
69: }
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