131                 vm.printTrace("Clearing temporary cache for " + description());
132             }
133             disableCache();
134             if (addedListener) {
135                 /*
136                  * If a listener was added (i.e. this is not a
137                  * ObjectReference that adds a listener on startup),
138                  * remove it here.
139                  */
140                 addedListener = false;
141                 return false;  // false says remove
142             } else {
143                 return true;
144             }
145         }
146     }
147 
148     public boolean equals(Object obj) {
149         if (obj instanceof ObjectReferenceImpl other) {
150             return (ref() == other.ref()) &&
151                    super.equals(obj);
152         } else {
153             return false;
154         }
155     }
156 
157     @Override
158     public int hashCode() {
159         return Long.hashCode(ref());
160     }
161 
162     public Type type() {
163         return referenceType();
164     }
165 
166     public ReferenceType referenceType() {
167         if (type == null) {
168             try {
169                 JDWP.ObjectReference.ReferenceType rtinfo =
170                     JDWP.ObjectReference.ReferenceType.process(vm, this);
171                 type = vm.referenceType(rtinfo.typeID,

131                 vm.printTrace("Clearing temporary cache for " + description());
132             }
133             disableCache();
134             if (addedListener) {
135                 /*
136                  * If a listener was added (i.e. this is not a
137                  * ObjectReference that adds a listener on startup),
138                  * remove it here.
139                  */
140                 addedListener = false;
141                 return false;  // false says remove
142             } else {
143                 return true;
144             }
145         }
146     }
147 
148     public boolean equals(Object obj) {
149         if (obj instanceof ObjectReferenceImpl other) {
150             return (ref() == other.ref()) &&
151                     super.equals(obj);
152         } else {
153             return false;
154         }
155     }
156 
157     @Override
158     public int hashCode() {
159         return Long.hashCode(ref());
160     }
161 
162     public Type type() {
163         return referenceType();
164     }
165 
166     public ReferenceType referenceType() {
167         if (type == null) {
168             try {
169                 JDWP.ObjectReference.ReferenceType rtinfo =
170                     JDWP.ObjectReference.ReferenceType.process(vm, this);
171                 type = vm.referenceType(rtinfo.typeID,