01: /*
02: JSPWiki - a JSP-based WikiWiki clone.
03:
04: Copyright (C) 2001-2002 Janne Jalkanen (Janne.Jalkanen@iki.fi)
05:
06: This program is free software; you can redistribute it and/or modify
07: it under the terms of the GNU Lesser General Public License as published by
08: the Free Software Foundation; either version 2.1 of the License, or
09: (at your option) any later version.
10:
11: This program is distributed in the hope that it will be useful,
12: but WITHOUT ANY WARRANTY; without even the implied warranty of
13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: GNU Lesser General Public License for more details.
15:
16: You should have received a copy of the GNU Lesser General Public License
17: along with this program; if not, write to the Free Software
18: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19: */
20: package com.ecyrd.jspwiki.providers;
21:
22: /**
23: * This is a provider interface which providers can implement, if they
24: * support fast checks of versions.
25: * <p>
26: * Note that this interface is pretty much a hack to support certain functionality
27: * before a complete refactoring of the complete provider interface. Please
28: * don't bug me too much about it...
29: *
30: * @author jalkanen
31: *
32: * @since 2.3.29
33: */
34: public interface VersioningProvider {
35: /**
36: * Return true, if page with a particular version exists.
37: */
38:
39: public boolean pageExists(String page, int version);
40: }
|