001: /*--
002:
003: Copyright (C) 2002-2005 Adrian Price.
004: All rights reserved.
005:
006: Redistribution and use in source and binary forms, with or without
007: modification, are permitted provided that the following conditions
008: are met:
009:
010: 1. Redistributions of source code must retain the above copyright
011: notice, this list of conditions, and the following disclaimer.
012:
013: 2. Redistributions in binary form must reproduce the above copyright
014: notice, this list of conditions, and the disclaimer that follows
015: these conditions in the documentation and/or other materials
016: provided with the distribution.
017:
018: 3. The names "OBE" and "Open Business Engine" must not be used to
019: endorse or promote products derived from this software without prior
020: written permission. For written permission, please contact
021: adrianprice@sourceforge.net.
022:
023: 4. Products derived from this software may not be called "OBE" or
024: "Open Business Engine", nor may "OBE" or "Open Business Engine"
025: appear in their name, without prior written permission from
026: Adrian Price (adrianprice@users.sourceforge.net).
027:
028: THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
029: WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
030: OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
031: DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
032: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
033: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
034: SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
035: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
036: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
037: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
038: POSSIBILITY OF SUCH DAMAGE.
039:
040: For more information on OBE, please see
041: <http://obe.sourceforge.net/>.
042:
043: */
044:
045: package org.obe.engine.persistence.memory;
046:
047: import org.apache.commons.logging.Log;
048: import org.apache.commons.logging.LogFactory;
049: import org.obe.spi.model.ActivityInstance;
050: import org.obe.spi.model.AttributeInstance;
051: import org.obe.spi.model.AttributedEntity;
052: import org.obe.spi.service.ServiceManager;
053: import org.obe.xpdl.model.data.Type;
054:
055: import java.io.Serializable;
056:
057: /**
058: * Holds the persistent state of workflow relevant data.
059: *
060: * @author Anthony Eden
061: * @author Adrian Price
062: */
063: public class BasicAttributeInstance implements AttributeInstance,
064: Serializable {
065: private static final long serialVersionUID = 896589015034416757L;
066: private static final Log _logger = LogFactory
067: .getLog(BasicAttributeInstance.class);
068: private static ServiceManager _svcMgr;
069:
070: private BasicAttributedEntity _owner;
071: private String _name;
072: private int _type;
073: private Object _value;
074:
075: static void setServiceManager(ServiceManager svcMgr) {
076: _svcMgr = svcMgr;
077: }
078:
079: public BasicAttributeInstance(BasicAttributedEntity owner,
080: String name, int type, Object value) {
081:
082: _owner = owner;
083: _name = name;
084: _type = type;
085: _value = value;
086: }
087:
088: public String getProcessDefinitionId() {
089: return _owner.getProcessDefinitionId();
090: }
091:
092: public String getProcessInstanceId() {
093: return _owner.getProcessInstanceId();
094: }
095:
096: public String getActivityDefinitionId() {
097: return _owner instanceof ActivityInstance ? ((ActivityInstance) _owner)
098: .getActivityDefinitionId()
099: : null;
100: }
101:
102: public AttributedEntity getOwner() {
103: return _owner;
104: }
105:
106: public String getOwnerId() {
107: return _owner.getEntityId();
108: }
109:
110: public int getOwnerType() {
111: return _owner.getType();
112: }
113:
114: public String getName() {
115: return _name;
116: }
117:
118: public int getType() {
119: return _type;
120: }
121:
122: public void setValue(int type, Object value) {
123: if (type != Type.DEFAULT_TYPE && type != _type)
124: _logger.warn("Attribute type cannot be changed");
125: _value = _svcMgr.getDataConverter().convertValue(value, _type);
126: }
127:
128: public Object getValue() {
129: return _value;
130: }
131:
132: public String toString() {
133: return "AttributeInstance[owner=" + _owner + ", name='" + _name
134: + "', type=" + _type + ", value=" + _value + ']';
135: }
136: }
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