01: /*
02: * CoadunationLib: The coaduntion implementation library.
03: * Copyright (C) 2007 Rift IT Contracting
04: *
05: * This library is free software; you can redistribute it and/or
06: * modify it under the terms of the GNU Lesser General Public
07: * License as published by the Free Software Foundation; either
08: * version 2.1 of the License, or (at your option) any later version.
09: *
10: * This library is distributed in the hope that it will be useful,
11: * but WITHOUT ANY WARRANTY; without even the implied warranty of
12: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13: * Lesser General Public License for more details.
14: *
15: * You should have received a copy of the GNU Lesser General Public
16: * License along with this library; if not, write to the Free Software
17: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18: *
19: * Change.java
20: */
21:
22: // package path
23: package com.rift.coad.util.change;
24:
25: // java imports
26: import java.io.Serializable;
27:
28: /**
29: * This object represents a change to the change log. It will be called to apply
30: * the changes it represents. If it fails to apply the changes it will be called
31: * again and again untill the changes are commited. The change log will not
32: * go onto another change entry until all changes are apply to the current entry.
33: *
34: * @author Brett Chaldecott
35: */
36: public interface Change extends Serializable {
37:
38: /**
39: * The definition of the apply method.
40: */
41: public void applyChanges() throws ChangeException;
42: }
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