/*
* Copyright 2000-2013 JetBrains s.r.o.
* Copyright 2014-2014 AS3Boyan
* Copyright 2014-2014 Elias Ku
*
* 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.plugins.haxe.lang.psi;
import com.intellij.openapi.components.ServiceManager;
import com.intellij.openapi.progress.ProgressIndicatorProvider;
import com.intellij.openapi.project.Project;
import com.intellij.psi.impl.AnyPsiChangeListener;
import com.intellij.psi.impl.PsiManagerImpl;
import com.intellij.util.containers.ConcurrentWeakHashMap;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.util.messages.MessageBus;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* @author: Fedor.Korotkov
*/
public class HaxeClassResolveCache {
private final ConcurrentWeakHashMap<HaxeClass, HaxeClassResolveResult> myMap = createWeakMap();
public static HaxeClassResolveCache getInstance(Project project) {
ProgressIndicatorProvider.checkCanceled(); // We hope this method is being called often enough to cancel daemon processes smoothly
return ServiceManager.getService(project, HaxeClassResolveCache.class);
}
public HaxeClassResolveCache(@NotNull MessageBus messageBus) {
messageBus.connect().subscribe(PsiManagerImpl.ANY_PSI_CHANGE_TOPIC, new AnyPsiChangeListener() {
@Override
public void beforePsiChanged(boolean isPhysical) {
myMap.clear();
}
@Override
public void afterPsiChanged(boolean isPhysical) {
}
});
}
private static <K, V> ConcurrentWeakHashMap<K, V> createWeakMap() {
return new ConcurrentWeakHashMap<K, V>(7, 0.75f, Runtime.getRuntime().availableProcessors(),
ContainerUtil.<K>canonicalStrategy());
}
public void put(@NotNull HaxeClass haxeClass, @NotNull HaxeClassResolveResult result) {
myMap.put(haxeClass, result);
}
@Nullable
public HaxeClassResolveResult get(HaxeClass haxeClass) {
return myMap.get(haxeClass);
}
}