01: /*
02: * %W% %E%
03: *
04: * Copyright 1990-2006 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.jump.module.contentstore;
28:
29: import com.sun.jump.module.JUMPModuleFactory;
30:
31: /**
32: * <code>JUMPStoreFactory</code> is a factory for <code>JUMPStore</code>.
33: */
34: public abstract class JUMPStoreFactory extends JUMPModuleFactory {
35: public static final String TYPE_FILE = "file";
36:
37: private static JUMPStoreFactory INSTANCE = null;
38:
39: public static JUMPStoreFactory getInstance() {
40: return INSTANCE;
41: }
42:
43: /**
44: * Creates a new instance of JUMPStoreFactory
45: */
46: protected JUMPStoreFactory() {
47: synchronized (JUMPStoreFactory.class) {
48: if (INSTANCE == null) {
49: INSTANCE = this ;
50: }
51: }
52: }
53:
54: /**
55: * Returns the <code>JUMPStore</code> for the store type passed.
56: *
57: * @param storeType the mechanism used to implement the store. The
58: * supported types are
59: * <ul>
60: * <li>{@link #TYPE_FILE}</li>
61: * </ul>
62: * @throws java.lang.IllegalArgumentException if the store type is not
63: * not supported by the factory.
64: */
65: public abstract JUMPStore getModule(String storeType);
66: }
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