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19 package org.netbeans.modules.javacore.jmiimpl.javamodel;
20
21 import java.util.*;
22
23 import javax.jmi.reflect.ConstraintViolationException;
24 import javax.jmi.reflect.RefObject;
25
26 import org.netbeans.jmi.javamodel.*;
27 import org.netbeans.mdr.handlers.BaseObjectHandler;
28 import org.netbeans.mdr.handlers.ClassProxyHandler;
29 import org.netbeans.mdr.persistence.MOFID;
30 import org.netbeans.mdr.persistence.StorageException;
31 import org.netbeans.mdr.storagemodel.StorableBaseObject;
32 import org.netbeans.mdr.storagemodel.StorableClass;
33 import org.netbeans.mdr.util.DebugException;
34
35
39 public abstract class ParameterizedTypeClassImpl extends ClassProxyHandler implements ParameterizedTypeClass {
40 private static final String  MOFID_PREFIX = "parameterizedType:"; private static final InstanceMap allInstances = new InstanceMap();
42 private static int increment = 0;
43
44 public ParameterizedTypeClassImpl(StorableClass s) {
45 super(s);
46 }
47
48 public ParameterizedType createParameterizedType() {
49 throw new ConstraintViolationException(this, refMetaObject(), "Cannot create instance of ParameterizedType directly - use resolveParameterizedType instead."); }
51
52 public ParameterizedType createParameterizedType(String name, List annotations, int modifiers, String javadocText, JavaDoc javadoc, List contents, MultipartId superClassName, List interfaceNames, List typeParameters) {
53 throw new ConstraintViolationException(this, refMetaObject(), "Cannot create instance of ParameterizedType directly - use resolveParameterizedType instead."); }
55
56 public ParameterizedType resolveParameterizedType(JavaClass def, List params, ParameterizedType outerCls) {
57 if (def == null)
58 return null;
59 if (def instanceof ParameterizedTypeImpl) {
60 outerCls = ((ParameterizedTypeImpl) def).outerCls;
61 def = ((ParameterizedTypeImpl) def).definition;
62 }
63 if (params == null) {
64 params = Collections.EMPTY_LIST;
65 }
66
67 _lock(false);
68 try {
69 CacheKey fullName = constructKey(def, params, outerCls);
70 ParameterizedTypeImpl result = (ParameterizedTypeImpl) allInstances.get(fullName);
71 if (result == null) {
72 try {
73 StorableBaseObject s = _getDelegate();
74 MOFID mofId = new MOFID(increment, MOFID_PREFIX + increment++);
75 DeferredObject o = new DeferredObject(mofId, s.getMdrStorage(), s.getImmediatePackageId(), s.getOutermostPackageId(), s.getMetaObject(), (StorableClass) s, null);
76 result = (ParameterizedTypeImpl) _getRepository().getHandler(o);
77 result.definition = def;
78 result.parameters = params;
79 result.outerCls = outerCls;
80 allInstances.put(fullName, result);
81 } catch (StorageException e) {
82 throw new DebugException();
83 }
84 }
85 return result;
86 } finally {
87 _unlock();
88 }
89 }
90
91 private CacheKey constructKey(JavaClass def, List params, ParameterizedType outerCls) {
92 MOFID[] paramIds = new MOFID[params.size()];
93 int i = 0;
94 for (Iterator it = params.iterator(); it.hasNext(); i++) {
95 BaseObjectHandler param = (BaseObjectHandler) it.next();
96 paramIds[i] = param == null ? null : param._getMofId(); }
98 return new CacheKey(((BaseObjectHandler) def)._getMofId(), paramIds, outerCls == null ? null : ((BaseObjectHandler) outerCls)._getMofId());
99 }
100
101 protected Collection _allOfClass(boolean recursive) {
102 return allInstances.values();
103 }
104
105 public org.netbeans.jmi.javamodel.Type resolve(java.lang.String name) {
106 JavaModelPackage pkg = (JavaModelPackage) refImmediatePackage();
107 return pkg.getType().resolve(name);
108 }
109
110 private static class CacheKey {
111 private final MOFID def, params[], outer;
112
113 public CacheKey(MOFID def, MOFID[] params, MOFID outer) {
114 if (def == null) throw new IllegalArgumentException ();
115 this.def = def;
116 this.params = params;
117 this.outer = outer;
118 }
119
120 public boolean equals(Object o) {
121 if (!(o instanceof CacheKey)) return false;
122
123 CacheKey ck = (CacheKey) o;
124 if (params.length != ck.params.length) return false;
125
126 for (int i = 0; i < params.length; i++) {
127 if (!compare(params[i], ck.params[i])) return false;
128 }
129
130 if (!(compare(def, ck.def) && compare(outer, ck.outer))) return false;
131
132 return true;
133 }
134
135 public int hashCode() {
136 return def.hashCode() * 31 + params.length + (outer == null ? 0 : outer.hashCode());
137 }
138
139 private boolean compare(Object o1, Object o2) {
140 return (o1 == null && o2 == null) || (o1 != null && o1.equals(o2));
141 }
142 }
143 }
144 |
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