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