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.graph.node;
23:
24: import org.dom4j.Element;
25: import org.jbpm.context.exe.ContextInstance;
26: import org.jbpm.graph.def.Node;
27: import org.jbpm.graph.exe.ExecutionContext;
28: import org.jbpm.jpdl.xml.JpdlXmlReader;
29: import org.jbpm.jpdl.xml.Parsable;
30: import org.jbpm.taskmgmt.exe.TaskInstance;
31:
32: public class Page extends Node implements Parsable {
33:
34: private static final long serialVersionUID = 1L;
35:
36: String url;
37: boolean isConversationEnd = false;
38: String outcome;
39:
40: public void read(Element nodeElement, JpdlXmlReader jpdlXmlReader) {
41: url = nodeElement.attributeValue("url");
42: Element conversationEndElement = nodeElement
43: .element("conversation-end");
44: if (conversationEndElement != null) {
45: isConversationEnd = true;
46: outcome = conversationEndElement.attributeValue("outcome");
47: }
48: }
49:
50: public void execute(ExecutionContext executionContext) {
51: if (isConversationEnd) {
52: // get the outer business process task instance
53: ContextInstance contextInstance = executionContext
54: .getContextInstance();
55: String variableName = "taskInstance";
56: TaskInstance taskInstance = (TaskInstance) contextInstance
57: .getVariable(variableName);
58:
59: // complete the task
60: if (outcome == null) {
61: taskInstance.end();
62: } else {
63: taskInstance.end(outcome);
64: }
65: }
66: }
67:
68: public boolean isConversationEnd() {
69: return isConversationEnd;
70: }
71:
72: public String getOutcome() {
73: return outcome;
74: }
75:
76: public String getUrl() {
77: return url;
78: }
79: }
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