| /* |
| * Copyright 2000-2013 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.refactoring.classMembers; |
| |
| import com.intellij.lang.LanguageDependentMembersRefactoringSupport; |
| import com.intellij.psi.NavigatablePsiElement; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.util.containers.HashMap; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.Map; |
| import java.util.Set; |
| |
| |
| public class MemberDependenciesStorage<T extends NavigatablePsiElement, C extends PsiElement> { |
| protected final C myClass; |
| private C mySuperClass; |
| private final Map<T, Set<T>> myDependencyGraph; |
| |
| public MemberDependenciesStorage(C aClass, C superClass) { |
| myClass = aClass; |
| mySuperClass = superClass; |
| myDependencyGraph = new HashMap<T, Set<T>>(); |
| } |
| |
| public void setSuperClass(C superClass) { |
| mySuperClass = superClass; |
| } |
| |
| @Nullable |
| protected Set<T> getMemberDependencies(T member) { |
| Set<T> result = myDependencyGraph.get(member); |
| if (result == null) { |
| DependentMembersCollectorBase<T, C> collector = getCollector(member); |
| if (collector != null) { |
| collector.collect(member); |
| result = collector.getCollection(); |
| } |
| myDependencyGraph.put(member, result); |
| } |
| return result; |
| } |
| |
| private DependentMembersCollectorBase<T, C> getCollector(T member) { |
| final ClassMembersRefactoringSupport factory = LanguageDependentMembersRefactoringSupport.INSTANCE.forLanguage(member.getLanguage()); |
| return factory != null ? factory.createDependentMembersCollector(myClass, mySuperClass) : null; |
| } |
| } |