001    /*
002     * Copyright 2010-2015 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.kotlin.load.java.structure.impl;
018    
019    import com.intellij.psi.PsiElement;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.kotlin.load.java.structure.JavaElement;
022    
023    public abstract class JavaElementImpl<Psi extends PsiElement> implements JavaElement {
024        private final Psi psiElement;
025    
026        protected JavaElementImpl(@NotNull Psi psiElement) {
027            this.psiElement = psiElement;
028        }
029    
030        @NotNull
031        public Psi getPsi() {
032            return psiElement;
033        }
034    
035        @Override
036        public int hashCode() {
037            return getPsi().hashCode();
038        }
039    
040        @Override
041        public boolean equals(Object obj) {
042            return obj instanceof JavaElementImpl && getPsi().equals(((JavaElementImpl) obj).getPsi());
043        }
044    
045        @Override
046        public String toString() {
047            return getClass().getSimpleName() + ": " + getPsi();
048        }
049    }