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 extends CompileTimeConstant<ClassDescriptor> {
026    
027        public EnumValue(@NotNull ClassDescriptor value) {
028            super(value, true);
029        }
030    
031        @NotNull
032        @Override
033        public JetType getType(@NotNull KotlinBuiltIns kotlinBuiltIns) {
034            JetType type = value.getClassObjectType();
035            assert type != null : "Enum entry should have a class object: " + value;
036            return type;
037        }
038    
039        @NotNull
040        @Override
041        public ClassDescriptor getValue() {
042            ClassDescriptor value = super.getValue();
043            assert value != null : "Guaranteed by constructor";
044            return value;
045        }
046    
047        @Override
048        public <R, D> R accept(AnnotationArgumentVisitor<R, D> visitor, D data) {
049            return visitor.visitEnumValue(this, data);
050        }
051    
052        @Override
053        public String toString() {
054            return getType(KotlinBuiltIns.getInstance()) + "." + value.getName();
055        }
056    
057        @Override
058        public boolean equals(Object o) {
059            if (this == o) return true;
060            if (o == null || getClass() != o.getClass()) return false;
061    
062            return value.equals(((EnumValue) o).value);
063        }
064    
065        @Override
066        public int hashCode() {
067            return value.hashCode();
068        }
069    }
070