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1
11 package org.eclipse.core.internal.expressions;
12
13 import org.eclipse.core.runtime.Assert;
14
15 import org.eclipse.core.expressions.IPropertyTester;
16
17 public class Property {
18
19 private Class  fType;
20 private String fNamespace;
21 private String fName;
22
23 private IPropertyTester fTester;
24
25 Property(Class type, String namespace, String name) {
26 Assert.isNotNull(type);
27 Assert.isNotNull(namespace);
28 Assert.isNotNull(name);
29
30 fType= type;
31 fNamespace= namespace;
32 fName= name;
33 }
34
35 void setPropertyTester(IPropertyTester tester) {
36 Assert.isNotNull(tester);
37 fTester= tester;
38 }
39
40 public boolean isInstantiated() {
41 return fTester.isInstantiated();
42 }
43
44 public boolean isDeclaringPluginActive() {
45 return fTester.isDeclaringPluginActive();
46 }
47
48 public boolean isValidCacheEntry(boolean forcePluginActivation) {
49 if (forcePluginActivation) {
50 return isInstantiated() && isDeclaringPluginActive();
51 } else {
52 return (isInstantiated() && isDeclaringPluginActive()) ||
53 (!isInstantiated() && !isDeclaringPluginActive());
54 }
55 }
56
57 public boolean test(Object receiver, Object [] args, Object expectedValue) {
58 return fTester.test(receiver, fName, args, expectedValue);
59 }
60
61 public boolean equals(Object obj) {
62 if (!(obj instanceof Property))
63 return false;
64 Property other= (Property)obj;
65 return fType.equals(other.fType) && fNamespace.equals(other.fNamespace) && fName.equals(other.fName);
66 }
67
68 public int hashCode() {
69 return (fType.hashCode() << 16) | fNamespace.hashCode() << 8 | fName.hashCode();
70 }
71 }
72 |
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