/*
* Copyright 2012-2016 Sergey Ignatov
*
* 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 org.intellij.erlang.psi.impl;
import com.intellij.openapi.util.TextRange;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiPolyVariantReferenceBase;
import com.intellij.psi.impl.source.resolve.ResolveCache;
import org.jetbrains.annotations.Nullable;
public abstract class ErlangPsiPolyVariantCachingReferenceBase<T extends PsiElement> extends PsiPolyVariantReferenceBase<T> {
public ErlangPsiPolyVariantCachingReferenceBase(T element, TextRange range) {
super(element, range);
}
private static final ResolveCache.AbstractResolver<ErlangPsiPolyVariantCachingReferenceBase, PsiElement> MY_RESOLVER =
(base, incompleteCode) -> base.resolveInner();
@Nullable
@Override
public final PsiElement resolve() {
return getElement().isValid()
? ResolveCache.getInstance(getElement().getProject()).resolveWithCaching(this, MY_RESOLVER, false, false)
: null;
}
@Nullable
public abstract PsiElement resolveInner();
@Override
public boolean equals(Object o) {
return this == o || o instanceof ErlangPsiPolyVariantCachingReferenceBase
&& getElement() == ((ErlangPsiPolyVariantCachingReferenceBase) o).getElement();
}
@Override
public int hashCode() {
return getElement().hashCode();
}
}