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.resolve.constants;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
021    import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
022    import org.jetbrains.jet.lang.types.JetType;
023    import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
024    
025    public class EnumValue implements CompileTimeConstant<ClassDescriptor> {
026        private final ClassDescriptor value;
027    
028        public EnumValue(@NotNull ClassDescriptor value) {
029            this.value = value;
030        }
031    
032        @Override
033        @NotNull
034        public ClassDescriptor getValue() {
035            return value;
036        }
037    
038        @NotNull
039        @Override
040        public JetType getType(@NotNull KotlinBuiltIns kotlinBuiltIns) {
041            JetType type = value.getClassObjectType();
042            assert type != null : "Enum entry should have a class object: " + value;
043            return type;
044        }
045    
046        @Override
047        public <R, D> R accept(AnnotationArgumentVisitor<R, D> visitor, D data) {
048            return visitor.visitEnumValue(this, data);
049        }
050    
051        @Override
052        public String toString() {
053            return getType(KotlinBuiltIns.getInstance()) + "." + value.getName();
054        }
055    
056        @Override
057        public boolean equals(Object o) {
058            if (this == o) return true;
059            if (o == null || getClass() != o.getClass()) return false;
060    
061            return value.equals(((EnumValue) o).value);
062        }
063    
064        @Override
065        public int hashCode() {
066            return value.hashCode();
067        }
068    }
069