001/*
002 * Copyright 2010-2013 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
017package org.jetbrains.jet.lang.psi;
018
019import org.jetbrains.annotations.NotNull;
020import org.jetbrains.jet.lang.psi.Call.CallType;
021
022public class CallKey {
023    private final CallType callType;
024    private final JetExpression element;
025
026    public CallKey(CallType callType, JetExpression element) {
027        this.callType = callType;
028        this.element = element;
029    }
030
031    @NotNull
032    public static CallKey create(@NotNull CallType callType, @NotNull JetExpression element) {
033        return new CallKey(callType, element);
034    }
035
036    public static CallKey create(JetExpression element) {
037        return new CallKey(CallType.DEFAULT, element);
038    }
039
040    @Override
041    public boolean equals(Object o) {
042        if (this == o) return true;
043        if (!(o instanceof CallKey)) return false;
044
045        CallKey key = (CallKey) o;
046
047        if (callType != key.callType) return false;
048        if (element != null ? !element.equals(key.element) : key.element != null) return false;
049
050        return true;
051    }
052
053    @Override
054    public int hashCode() {
055        int result = callType != null ? callType.hashCode() : 0;
056        result = 31 * result + (element != null ? element.hashCode() : 0);
057        return result;
058    }
059}