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make PsiClassReferenceListStubImpl.myTypes thread-safe

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This commit is contained in:
peter
2018-11-07 16:23:00 +01:00
parent 65295ceeee
commit dd57f9d123
1 changed files with 10 additions and 10 deletions
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java/java-psi-impl/src/com/intellij/psi/impl/java/stubs/impl/PsiClassReferenceListStubImpl.java
+10 -10
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@@ -32,7 +32,7 @@ import org.jetbrains.annotations.NotNull;
*/
public class PsiClassReferenceListStubImpl extends StubBase<PsiReferenceList> implements PsiClassReferenceListStub {
private final String[] myNames;
private PsiClassType[] myTypes;
private volatile PsiClassType[] myTypes;
public PsiClassReferenceListStubImpl(@NotNull JavaClassReferenceListElementType type, StubElement parent, @NotNull String[] names) {
super(parent, type);
@@ -43,14 +43,16 @@ public class PsiClassReferenceListStubImpl extends StubBase<PsiReferenceList> im
@NotNull
@Override
public PsiClassType[] getReferencedTypes() {
if (myTypes != null) return myTypes;
if (myNames.length == 0) {
myTypes = PsiClassType.EMPTY_ARRAY;
return myTypes;
PsiClassType[] types = myTypes;
if (types == null) {
myTypes = types = createTypes();
}
return types.clone();
}
PsiClassType[] types = new PsiClassType[myNames.length];
@NotNull
private PsiClassType[] createTypes() {
PsiClassType[] types = myNames.length == 0 ? PsiClassType.EMPTY_ARRAY : new PsiClassType[myNames.length];
final boolean compiled = ((JavaClassReferenceListElementType)getStubType()).isCompiled(this);
if (compiled) {
@@ -84,9 +86,7 @@ public class PsiClassReferenceListStubImpl extends StubBase<PsiReferenceList> im
types = newTypes;
}
}
myTypes = types;
return types.clone();
return types;
}
@NotNull