/*
* Copyright 2013-2017 consulo.io
*
* 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 consulo.csharp.lang.psi.impl.source;
import org.jetbrains.annotations.NotNull;
import consulo.annotations.RequiredReadAction;
import consulo.dotnet.lang.psi.impl.DotNetTypeRefCacheUtil;
import consulo.dotnet.resolve.DotNetTypeRef;
import com.intellij.openapi.util.Key;
import com.intellij.psi.PsiElement;
import com.intellij.psi.util.CachedValue;
import com.intellij.util.NotNullFunction;
/**
* @author VISTALL
* @since 13-May-16
*/
public abstract class CSharpTypeRefCacher<E extends PsiElement>
{
private static class Resolver<E extends PsiElement> implements NotNullFunction<E, DotNetTypeRef>
{
private CSharpTypeRefCacher<E> myCacher;
private boolean myValue;
private Resolver(CSharpTypeRefCacher<E> cacher, boolean value)
{
myCacher = cacher;
myValue = value;
}
@NotNull
@Override
@RequiredReadAction
public DotNetTypeRef fun(E e)
{
return myCacher.toTypeRefImpl(e, myValue);
}
}
private static Key<CachedValue<DotNetTypeRef>> ourTrueTypeRefKey = Key.create("CSharpTypeCacheUtil.ourTrueTypeRefKey");
private static Key<CachedValue<DotNetTypeRef>> ourFalseTypeRefKey = Key.create("CSharpTypeCacheUtil.ourFalseTypeRefKey");
private NotNullFunction<E, DotNetTypeRef> myTrueFunction = new Resolver<E>(this, true);
private NotNullFunction<E, DotNetTypeRef> myFalseFunction = new Resolver<E>(this, false);
private final boolean myLocal;
protected CSharpTypeRefCacher(boolean local)
{
myLocal = local;
}
@NotNull
@RequiredReadAction
protected abstract DotNetTypeRef toTypeRefImpl(E element, boolean resolveFromParentOrInitializer);
@NotNull
@RequiredReadAction
public DotNetTypeRef toTypeRef(E element, boolean resolveFromParentOrInitializer)
{
Key<CachedValue<DotNetTypeRef>> key = resolveFromParentOrInitializer ? ourTrueTypeRefKey : ourFalseTypeRefKey;
NotNullFunction<E, DotNetTypeRef> resolver = resolveFromParentOrInitializer ? myTrueFunction : myFalseFunction;
return myLocal ? DotNetTypeRefCacheUtil.localCacheTypeRef(key, element, resolver) : DotNetTypeRefCacheUtil.cacheTypeRef(key, element, resolver);
}
}