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cache default method signature

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This commit is contained in:
peter
2013-12-02 18:40:00 +01:00
parent 9e1e105885
commit d0a3b13773
1 changed files with 13 additions and 4 deletions
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java/java-psi-impl/src/com/intellij/psi/impl/source/PsiMethodImpl.java
+13 -4
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@@ -37,14 +37,13 @@ import com.intellij.psi.javadoc.PsiDocComment;
import com.intellij.psi.scope.PsiScopeProcessor;
import com.intellij.psi.search.SearchScope;
import com.intellij.psi.stubs.IStubElementType;
import com.intellij.psi.util.MethodSignature;
import com.intellij.psi.util.MethodSignatureBackedByPsiMethod;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.psi.util.*;
import com.intellij.reference.SoftReference;
import com.intellij.ui.RowIcon;
import com.intellij.util.IncorrectOperationException;
import com.intellij.util.PlatformIcons;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import java.util.List;
@@ -311,7 +310,17 @@ public class PsiMethodImpl extends JavaStubPsiElement<PsiMethodStub> implements
@Override
@NotNull
public MethodSignature getSignature(@NotNull PsiSubstitutor substitutor){
public MethodSignature getSignature(@NotNull PsiSubstitutor substitutor) {
if (substitutor == PsiSubstitutor.EMPTY) {
return CachedValuesManager.getCachedValue(this, new CachedValueProvider<MethodSignature>() {
@Nullable
@Override
public Result<MethodSignature> compute() {
MethodSignature signature = MethodSignatureBackedByPsiMethod.create(PsiMethodImpl.this, PsiSubstitutor.EMPTY);
return Result.create(signature, PsiModificationTracker.JAVA_STRUCTURE_MODIFICATION_COUNT);
}
});
}
return MethodSignatureBackedByPsiMethod.create(this, substitutor);
}