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sync instead of concurrent set

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Anna.Kozlova
2017-04-28 10:03:16 +02:00
parent 541921d315
commit 8762fb8a4d
1 changed files with 16 additions and 7 deletions
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java/java-analysis-impl/src/com/intellij/codeInspection/reference/RefClassImpl.java
+16 -7
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@@ -58,7 +58,7 @@ public class RefClassImpl extends RefJavaElementImpl implements RefClass {
private static final int IS_LOCAL_MASK = 0x1000000;
private Set<RefClass> myBases; // singleton (to conserve the memory) or THashSet
private volatile Set<RefClass> mySubClasses;
private Set<RefClass> mySubClasses; // singleton (to conserve the memory) or THashSet
private List<RefMethod> myConstructors;
private RefMethodImpl myDefaultConstructor;
private List<RefMethod> myOverridingMethods;
@@ -334,21 +334,30 @@ public class RefClassImpl extends RefJavaElementImpl implements RefClass {
@Override
@NotNull
public Set<RefClass> getSubClasses() {
public synchronized Set<RefClass> getSubClasses() {
if (mySubClasses == null) return EMPTY_CLASS_SET;
return mySubClasses;
}
private void addSubClass(@NotNull RefClass refClass){
private synchronized void addSubClass(@NotNull RefClass refClass){
if (mySubClasses == null) {
mySubClasses = ContainerUtil.newConcurrentSet();
mySubClasses = Collections.singleton(refClass);
return;
}
if (mySubClasses.size() == 1) {
// convert from singleton
mySubClasses = new THashSet<>(mySubClasses);
}
mySubClasses.add(refClass);
}
private void removeSubClass(RefClass refClass){
private synchronized void removeSubClass(RefClass refClass){
if (mySubClasses == null) return;
mySubClasses.remove(refClass);
if (mySubClasses.size() == 1) {
mySubClasses = null;
}
else {
mySubClasses.remove(refClass);
}
}
@Override