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    
017    package org.jetbrains.jet.lang.psi;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.jet.lang.psi.Call.CallType;
021    
022    public 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    }