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1 package org.jbpm.bpel.data.exe;
2
3 import javax.xml.namespace.QName  ;
4
5 import org.w3c.dom.Document ;
6 import org.w3c.dom.Element ;
7
8 import org.jbpm.bpel.xml.util.NodeUtil;
9
10
14 public class ElementVariableInstance extends VariableInstance {
15
16 private Element element;
17
18 public Object getValue() {
19 return getElement();
20 }
21
22 public void setValue(Object value) {
23 NodeUtil.setValue(getOrCreateElement(), value);
24 }
25
26 public Object getOrCreateValue() {
27 return getOrCreateElement();
28 }
29
30 public Element getElement() {
31 if (element == null) {
32 throw new RuntimeException ("Uninitialized variable: variable=" + getDefinition().getName());
33 }
34 return element;
35 }
36
37 public Element getOrCreateElement() {
38 if (element == null) {
39 QName type = getDefinition().getTypeInfo().getName();
40 Document doc = NodeUtil.createDocument();
41 element = doc.createElementNS(type.getNamespaceURI(), type.getLocalPart());
42 doc.appendChild(element);
43 }
44 return element;
45 }
46
47 public void setElement(Element element) {
48 this.element = element;
49 }
50 }
51 |
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