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1
11 package org.eclipse.jdt.internal.corext.refactoring.typeconstraints.types;
12
13 import org.eclipse.core.runtime.Assert;
14
15 import org.eclipse.jdt.core.IType;
16 import org.eclipse.jdt.core.dom.ITypeBinding;
17
18
19 public final class GenericType extends HierarchyType {
20
21 private TypeVariable[] fTypeParameters;
22
23 protected GenericType(TypeEnvironment environment) {
24 super(environment);
25 }
26
27 protected void initialize(ITypeBinding binding, IType javaElementType) {
28 Assert.isTrue(binding.isGenericType());
29 super.initialize(binding, javaElementType);
30 TypeEnvironment environment= getEnvironment();
31 ITypeBinding[] typeParameters= binding.getTypeParameters();
32 fTypeParameters= new TypeVariable[typeParameters.length];
33 for (int i= 0; i < typeParameters.length; i++) {
34 fTypeParameters[i]= (TypeVariable) environment.create(typeParameters[i]);
35 }
36 }
37
38 public int getKind() {
39 return GENERIC_TYPE;
40 }
41
42 public TypeVariable[] getTypeParameters() {
43 return (TypeVariable[]) fTypeParameters.clone();
44 }
45
46 public boolean doEquals(TType type) {
47 return getJavaElementType().equals(((GenericType)type).getJavaElementType());
48 }
49
50 public int hashCode() {
51 return getJavaElementType().hashCode();
52 }
53
54 protected boolean doCanAssignTo(TType type) {
55 return false;
56 }
57
58 protected boolean isTypeEquivalentTo(TType other) {
59 int otherElementType= other.getKind();
60 if (otherElementType == RAW_TYPE || otherElementType == PARAMETERIZED_TYPE)
61 return getErasure().isTypeEquivalentTo(other.getErasure());
62 return super.isTypeEquivalentTo(other);
63 }
64
65 public String  getName() {
66 return getJavaElementType().getElementName();
67 }
68
69 protected String getPlainPrettySignature() {
70 StringBuffer result= new StringBuffer (getJavaElementType().getFullyQualifiedName('.'));
71 result.append("<"); result.append(fTypeParameters[0].getPrettySignature());
73 for (int i= 1; i < fTypeParameters.length; i++) {
74 result.append(", "); result.append(fTypeParameters[i].getPrettySignature());
76 }
77 result.append(">"); return result.toString();
79 }
80 }
81 |
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