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.log.variableinstance;
23:
24: import org.jbpm.bytes.ByteArray;
25: import org.jbpm.context.exe.VariableInstance;
26: import org.jbpm.context.log.VariableUpdateLog;
27:
28: public class ByteArrayUpdateLog extends VariableUpdateLog {
29:
30: private static final long serialVersionUID = 1L;
31:
32: ByteArray oldValue = null;
33: ByteArray newValue = null;
34:
35: public ByteArrayUpdateLog() {
36: }
37:
38: public ByteArrayUpdateLog(VariableInstance variableInstance,
39: ByteArray oldValue, ByteArray newValue) {
40: super (variableInstance);
41: this .oldValue = (oldValue != null ? new ByteArray(oldValue)
42: : null);
43: this .newValue = (newValue != null ? new ByteArray(newValue)
44: : null);
45: }
46:
47: public Object getOldValue() {
48: return oldValue;
49: }
50:
51: public Object getNewValue() {
52: return newValue;
53: }
54:
55: public String toString() {
56: String toString = null;
57: if ((oldValue == null) && (newValue == null)) {
58: toString = variableInstance + " remained null";
59: } else if ((oldValue != null) && (oldValue.equals(newValue))) {
60: toString = variableInstance + " unchanged";
61: } else {
62: toString = variableInstance + " binary content differs";
63: }
64: return toString;
65: }
66: }
|