| /* |
| * 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.jetbrains.python.psi.resolve; |
| |
| import com.intellij.openapi.vfs.*; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.util.QualifiedName; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * @author yole |
| */ |
| public abstract class PythonPathCache { |
| private final Map<QualifiedName, List<PsiElement>> myCache = new HashMap<QualifiedName, List<PsiElement>>(); |
| private final Map<VirtualFile, List<QualifiedName>> myQNameCache = new HashMap<VirtualFile, List<QualifiedName>>(); |
| |
| protected void clearCache() { |
| myCache.clear(); |
| myQNameCache.clear(); |
| } |
| |
| public synchronized List<PsiElement> get(QualifiedName qualifiedName) { |
| return myCache.get(qualifiedName); |
| } |
| |
| public synchronized void put(QualifiedName qualifiedName, List<PsiElement> results) { |
| myCache.put(qualifiedName, results); |
| } |
| |
| public synchronized List<QualifiedName> getNames(VirtualFile vFile) { |
| return myQNameCache.get(vFile); |
| } |
| |
| public synchronized void putNames(VirtualFile vFile, List<QualifiedName> qNames) { |
| myQNameCache.put(vFile, qNames); |
| } |
| |
| protected class MyVirtualFileAdapter extends VirtualFileAdapter { |
| @Override |
| public void fileCreated(@NotNull VirtualFileEvent event) { |
| clearCache(); |
| } |
| |
| @Override |
| public void fileDeleted(@NotNull VirtualFileEvent event) { |
| clearCache(); |
| } |
| |
| @Override |
| public void fileMoved(@NotNull VirtualFileMoveEvent event) { |
| clearCache(); |
| } |
| |
| @Override |
| public void fileCopied(@NotNull VirtualFileCopyEvent event) { |
| clearCache(); |
| } |
| |
| @Override |
| public void propertyChanged(@NotNull VirtualFilePropertyEvent event) { |
| if (event.getPropertyName().equals(VirtualFile.PROP_NAME)) { |
| clearCache(); |
| } |
| } |
| } |
| } |