/*
* Copyright 2012-2014 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.PsiReferenceBase;
import com.intellij.psi.impl.source.resolve.ResolveCache;
import com.intellij.util.IncorrectOperationException;
import org.intellij.erlang.psi.ErlangQAtom;
import org.jetbrains.annotations.Nullable;
public abstract class ErlangQAtomBasedReferenceImpl extends PsiReferenceBase<ErlangQAtom> {
protected final String myReferenceName;
private static final ResolveCache.AbstractResolver<ErlangQAtomBasedReferenceImpl, PsiElement> MY_RESOLVER =
(base, b) -> base.resolveInner();
@Nullable
protected abstract PsiElement resolveInner();
@Nullable
@Override
public final PsiElement resolve() {
return myElement.isValid()
? ResolveCache.getInstance(myElement.getProject()).resolveWithCaching(this, MY_RESOLVER, false, false)
: null;
}
public ErlangQAtomBasedReferenceImpl(ErlangQAtom element, TextRange range, String name) {
super(element, range);
myReferenceName = name;
}
@Override
public PsiElement handleElementRename(String newElementName) throws IncorrectOperationException {
ErlangPsiImplUtil.renameQAtom(myElement, newElementName);
return myElement;
}
@Override
public boolean equals(Object o) {
return this == o || o instanceof ErlangQAtomBasedReferenceImpl && getElement() == ((ErlangQAtomBasedReferenceImpl) o).getElement();
}
@Override
public int hashCode() {
return getElement().hashCode();
}
}