01: /*
02: * JBoss, Home of Professional Open Source
03: * Copyright 2005, JBoss Inc., and individual contributors as indicated
04: * by the @authors tag. See the copyright.txt in the distribution for a
05: * full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * published by the Free Software Foundation; either version 2.1 of
10: * the License, or (at your option) any later version.
11: *
12: * This software 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 software; if not, write to the Free
19: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21: */
22: package org.jbpm.context.exe.variableinstance;
23:
24: import java.util.*;
25:
26: import org.jbpm.context.exe.*;
27: import org.jbpm.context.log.variableinstance.*;
28:
29: public class DateInstance extends VariableInstance {
30:
31: private static final long serialVersionUID = 1L;
32:
33: protected Date value = null;
34:
35: public boolean isStorable(Object value) {
36: if (value == null)
37: return true;
38: return (Date.class.isAssignableFrom(value.getClass()));
39: }
40:
41: protected Object getObject() {
42: return value;
43: }
44:
45: protected void setObject(Object value) {
46: if (token != null)
47: token.addLog(new DateUpdateLog(this , this .value,
48: (Date) value));
49: this .value = (Date) value;
50: }
51: }
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