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optimization trick: on debugger attach invoke vm.allClasses() to cache loaded classes inside JDI, which makes operations involving class search work faster

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This commit is contained in:
Eugene Zhuravlev
2013-11-04 14:57:25 +01:00
parent aed76e8206
commit b1fdb0606a
1 changed files with 6 additions and 3 deletions
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java/debugger/impl/src/com/intellij/debugger/jdi/VirtualMachineProxyImpl.java
+6 -3
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@@ -68,6 +68,8 @@ public class VirtualMachineProxyImpl implements JdiTimer, VirtualMachineProxy {
canWatchFieldModification();
canPopFrames();
virtualMachine.allClasses(); // this will cache classes inside JDI and enable faster search of classes later
List<ThreadGroupReference> groups = virtualMachine.topLevelThreadGroups();
for (ThreadGroupReference threadGroupReference : groups) {
threadGroupCreated(threadGroupReference);
@@ -120,10 +122,11 @@ public class VirtualMachineProxyImpl implements JdiTimer, VirtualMachineProxy {
}
public List<ReferenceType> allClasses() {
if (myAllClasses == null) {
myAllClasses = myVirtualMachine.allClasses();
List<ReferenceType> allClasses = myAllClasses;
if (allClasses == null) {
myAllClasses = allClasses = myVirtualMachine.allClasses();
}
return myAllClasses;
return allClasses;
}
public String toString() {