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1
18
19 package org.objectweb.kilim.model;
20
21 import java.util.Iterator  ;
22 import java.util.Stack ;
23
24 import org.objectweb.kilim.KilimException;
25 import org.objectweb.kilim.description.KILIM;
26 import org.objectweb.kilim.description.NamedElement;
27 import org.objectweb.kilim.description.Property;
28 import org.objectweb.kilim.description.TemplateDescription;
29 import org.objectweb.kilim.description.TemplateElementImpl;
30
31
34
35 public class RtComponentProperty extends RtComponentInterface implements ComponentProperty {
36 private static Object UNSET = new Object ();
37 private boolean used;
38 private Object value;
39
40
41
46 public RtComponentProperty(TemplateElementImpl aElement, Component aComponent) {
47 super(aElement, aComponent);
48 value = ((Property) getElementDescription()).getValue();
49 }
50
51
54 public String getLocalName() {
55 NamedElement elem = (NamedElement) getElementDescription();
56 return elem.getLocalName();
57 }
58
59
64 public void setValue(Object aValue) throws KilimException {
65 bindValue(aValue);
66 }
67
68
71 public boolean isEventSource() {
72 return false;
73 }
74
75
78 public Object getEventSourceValue() throws KilimException {
79 return null;
80 }
81
82
85 public void setEventSourceValue(Object aSource) throws KilimException { }
86
87
90 public void bindProvider(RuntimeSource aSource, boolean jReplace) throws KilimException {
91 TemplateDescription tmp0 = getContainingComponent().getTemplate();
92 String lName = getLocalName();
93 String tmpList = tmp0.getName();
94 while ((tmp0 = tmp0.getSuperTemplate()) != null) {
95 Iterator iter = tmp0.getBindings(lName, true);
96 if (iter != KILIM.EMPTY_ITERATOR) {
97 tmpList = tmpList + ", " + tmp0.getName();
98 }
99 }
100 throw new KilimException("attempt to bind a property " + getQualifiedName() + " (binding definition in templates : " + tmpList + ")");
101 }
102
103
106 public void unbindProvider(RuntimeSource aSource) throws KilimException {
107 throw new KilimException("attempt to unbind a provider " + aSource + " from a property " + getQualifiedName());
108 }
109
110
113 protected Object specificGetValue() throws KilimException {
114 Object resultValue = null;
115 if (mappingContext != null) {
116 mappingContext.getCallStack().push(this);
117 }
118 if (value == UNSET) {
119 throw new KilimException("attempt to get the value of an unset property " + getQualifiedName());
120 }
121
122 mapper.enterContext(mappingContext);
123 resultValue = mapper.getPropertyValue(value, mappingContext);
124 if (mappingContext != null) {
125 mappingContext.getCallStack().pop();
126 }
127 mapper.leaveContext(mappingContext);
128 used = true;
129 return resultValue;
130 }
131
132
135 protected void specificUnbindValue() throws KilimException {
136 value = UNSET;
137 }
138
139
142 protected void specificBindValue(Object aValue) throws KilimException {
143 value = aValue;
144 }
145
146
149 public boolean isSingleValuePort() {
150 return false;
151 }
152
153
156 public boolean isCollectionPort() {
157 return false;
158 }
159
160
163 public boolean isProvider() {
164 return false;
165 }
166
167
170 public boolean isProperty() {
171 return true;
172 }
173
174
177 public boolean hasValue() {
178 return value != UNSET;
179 }
180
181
184 public boolean checkValue(Stack exclude) throws KilimException {
185 return true;
186 }
187 }
188 |
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