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 org.jbpm.context.exe.*;
25: import org.jbpm.context.log.variableinstance.*;
26:
27: public class LongInstance extends VariableInstance {
28:
29: private static final long serialVersionUID = 1L;
30:
31: protected Long value = null;
32:
33: public boolean isStorable(Object value) {
34: if (value == null)
35: return true;
36: return (Long.class == value.getClass());
37: }
38:
39: protected Object getObject() {
40: return value;
41: }
42:
43: protected void setObject(Object value) {
44: if (token != null)
45: token.addLog(new LongUpdateLog(this , this .value,
46: (Long) value));
47: this .value = (Long) value;
48: }
49:
50: }
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