| /* |
| * Copyright 2000-2014 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. |
| */ |
| package com.intellij.psi.impl.search; |
| |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.util.Computable; |
| import com.intellij.psi.PsiMethod; |
| import com.intellij.util.Processor; |
| import com.intellij.util.QueryExecutor; |
| import gnu.trove.THashSet; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.Set; |
| |
| /** |
| * @author peter |
| */ |
| public class MethodDeepestSuperSearcher implements QueryExecutor<PsiMethod, PsiMethod> { |
| @Override |
| public boolean execute(@NotNull PsiMethod method, @NotNull Processor<PsiMethod> consumer) { |
| return processDeepestSuperMethods(method, consumer); |
| } |
| |
| public static boolean processDeepestSuperMethods(PsiMethod method, Processor<PsiMethod> consumer) { |
| final Set<PsiMethod> methods = new THashSet<PsiMethod>(); |
| methods.add(method); |
| return findDeepestSuperOrSelfSignature(method, methods, null, consumer); |
| } |
| |
| private static boolean findDeepestSuperOrSelfSignature(final PsiMethod method, |
| Set<PsiMethod> set, |
| Set<PsiMethod> guard, |
| Processor<PsiMethod> processor) { |
| if (guard != null && !guard.add(method)) return true; |
| PsiMethod[] supers = ApplicationManager.getApplication().runReadAction(new Computable<PsiMethod[]>() { |
| @Override |
| public PsiMethod[] compute() { |
| return method.findSuperMethods(); |
| } |
| }); |
| |
| if (supers.length == 0 && set.add(method) && !processor.process(method)) { |
| return false; |
| } |
| for (PsiMethod superMethod : supers) { |
| if (guard == null) { |
| guard = new THashSet<PsiMethod>(); |
| guard.add(method); |
| } |
| if (!findDeepestSuperOrSelfSignature(superMethod, set, guard, processor)) return false; |
| } |
| return true; |
| } |
| } |