| /* |
| * Copyright 2000-2016 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| * @author Eugene Zhuravlev |
| */ |
| package com.intellij.debugger.jdi; |
| |
| import com.intellij.util.ThreeState; |
| import com.sun.jdi.*; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class ObjectReferenceProxyImpl extends JdiProxy { |
| private final ObjectReference myObjectReference; |
| |
| //caches |
| private ReferenceType myReferenceType; |
| private Type myType; |
| private ThreeState myIsCollected = ThreeState.UNSURE; |
| |
| public ObjectReferenceProxyImpl(VirtualMachineProxyImpl virtualMachineProxy, @NotNull ObjectReference objectReference) { |
| super(virtualMachineProxy); |
| myObjectReference = objectReference; |
| } |
| |
| public ObjectReference getObjectReference() { |
| checkValid(); |
| return myObjectReference; |
| } |
| |
| public VirtualMachineProxyImpl getVirtualMachineProxy() { |
| return (VirtualMachineProxyImpl) myTimer; |
| } |
| |
| public ReferenceType referenceType() { |
| checkValid(); |
| if (myReferenceType == null) { |
| myReferenceType = getObjectReference().referenceType(); |
| } |
| return myReferenceType; |
| } |
| |
| public Type type() { |
| checkValid(); |
| if (myType == null) { |
| myType = getObjectReference().type(); |
| } |
| return myType; |
| } |
| |
| @NonNls |
| public String toString() { |
| final ObjectReference objectReference = getObjectReference(); |
| //noinspection HardCodedStringLiteral |
| final String objRefString = objectReference != null? objectReference.toString() : "[referenced object collected]"; |
| return "ObjectReferenceProxyImpl: " + objRefString + " " + super.toString(); |
| } |
| |
| public Map<Field, Value> getValues(List<? extends Field> list) { |
| return getObjectReference().getValues(list); |
| } |
| |
| public void setValue(Field field, Value value) throws InvalidTypeException, ClassNotLoadedException { |
| getObjectReference().setValue(field, value); |
| } |
| |
| public boolean isCollected() { |
| checkValid(); |
| if (myIsCollected != ThreeState.YES) { |
| try { |
| myIsCollected = ThreeState.fromBoolean(VirtualMachineProxyImpl.isCollected(myObjectReference)); |
| } |
| catch (VMDisconnectedException ignored) { |
| myIsCollected = ThreeState.YES; |
| } |
| } |
| return myIsCollected.toBoolean(); |
| } |
| |
| public long uniqueID() { |
| return getObjectReference().uniqueID(); |
| } |
| |
| /** |
| * @return a list of waiting ThreadReferenceProxies |
| * @throws IncompatibleThreadStateException |
| */ |
| public List<ThreadReferenceProxyImpl> waitingThreads() throws IncompatibleThreadStateException { |
| List<ThreadReference> list = getObjectReference().waitingThreads(); |
| List<ThreadReferenceProxyImpl> proxiesList = new ArrayList<>(list.size()); |
| |
| for (ThreadReference threadReference : list) { |
| proxiesList.add(getVirtualMachineProxy().getThreadReferenceProxy(threadReference)); |
| } |
| return proxiesList; |
| } |
| |
| public ThreadReferenceProxyImpl owningThread() throws IncompatibleThreadStateException { |
| ThreadReference threadReference = getObjectReference().owningThread(); |
| return getVirtualMachineProxy().getThreadReferenceProxy(threadReference); |
| } |
| |
| public int entryCount() throws IncompatibleThreadStateException { |
| return getObjectReference().entryCount(); |
| } |
| |
| public boolean equals(Object o) { |
| if (!(o instanceof ObjectReferenceProxyImpl)) { |
| return false; |
| } |
| if(this == o) return true; |
| |
| ObjectReference ref = myObjectReference; |
| return ref.equals(((ObjectReferenceProxyImpl)o).myObjectReference); |
| } |
| |
| |
| public int hashCode() { |
| return myObjectReference.hashCode(); |
| } |
| |
| /** |
| * The advice to the proxy to clear cached data. |
| */ |
| @Override |
| protected void clearCaches() { |
| if (myIsCollected == ThreeState.NO) { |
| // clearing cache makes sense only if the object has not been collected yet |
| myIsCollected = ThreeState.UNSURE; |
| } |
| } |
| } |