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.descriptors.impl;
018    
019    import com.google.common.collect.Sets;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.annotations.Nullable;
022    import org.jetbrains.jet.lang.descriptors.*;
023    import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
024    import org.jetbrains.jet.lang.resolve.name.Name;
025    import org.jetbrains.jet.lang.types.TypeSubstitutor;
026    
027    import java.util.Collections;
028    import java.util.List;
029    import java.util.Set;
030    
031    public abstract class PropertyAccessorDescriptorImpl extends DeclarationDescriptorNonRootImpl implements PropertyAccessorDescriptor {
032    
033        private final boolean hasBody;
034        private final boolean isDefault;
035        private final Modality modality;
036        private final PropertyDescriptor correspondingProperty;
037        private final Kind kind;
038        private Visibility visibility;
039    
040        public PropertyAccessorDescriptorImpl(
041                @NotNull Modality modality,
042                @NotNull Visibility visibility,
043                @NotNull PropertyDescriptor correspondingProperty,
044                @NotNull List<AnnotationDescriptor> annotations,
045                @NotNull Name name,
046                boolean hasBody,
047                boolean isDefault,
048                Kind kind
049        ) {
050            super(correspondingProperty.getContainingDeclaration(), annotations, name);
051            this.modality = modality;
052            this.visibility = visibility;
053            this.correspondingProperty = correspondingProperty;
054            this.hasBody = hasBody;
055            this.isDefault = isDefault;
056            this.kind = kind;
057        }
058    
059        @Override
060        public boolean hasBody() {
061            return hasBody;
062        }
063    
064        @Override
065        public boolean isDefault() {
066            return isDefault;
067        }
068    
069        @Override
070        public Kind getKind() {
071            return kind;
072        }
073    
074        @NotNull
075        @Override
076        public FunctionDescriptor substitute(@NotNull TypeSubstitutor substitutor) {
077            throw new UnsupportedOperationException(); // TODO
078        }
079    
080        @NotNull
081        @Override
082        public List<TypeParameterDescriptor> getTypeParameters() {
083            return Collections.emptyList();
084        }
085    
086        @NotNull
087        @Override
088        public Modality getModality() {
089            return modality;
090        }
091    
092        @NotNull
093        @Override
094        public Visibility getVisibility() {
095            return visibility;
096        }
097    
098        public void setVisibility(Visibility visibility) {
099            this.visibility = visibility;
100        }
101    
102        @Override
103        @NotNull
104        public PropertyDescriptor getCorrespondingProperty() {
105            return correspondingProperty;
106        }
107    
108        @Nullable
109        @Override
110        public ReceiverParameterDescriptor getReceiverParameter() {
111            return getCorrespondingProperty().getReceiverParameter();
112        }
113    
114        @Nullable
115        @Override
116        public ReceiverParameterDescriptor getExpectedThisObject() {
117            return getCorrespondingProperty().getExpectedThisObject();
118        }
119    
120        @NotNull
121        @Override
122        public PropertyAccessorDescriptor copy(
123                DeclarationDescriptor newOwner,
124                Modality modality,
125                Visibility visibility,
126                Kind kind,
127                boolean copyOverrides
128        ) {
129            throw new UnsupportedOperationException("Accessors must be copied by the corresponding property");
130        }
131    
132        protected Set<PropertyAccessorDescriptor> getOverriddenDescriptors(boolean isGetter) {
133            Set<? extends PropertyDescriptor> overriddenProperties = getCorrespondingProperty().getOverriddenDescriptors();
134            Set<PropertyAccessorDescriptor> overriddenAccessors = Sets.newHashSet();
135            for (PropertyDescriptor overriddenProperty : overriddenProperties) {
136                PropertyAccessorDescriptor accessorDescriptor = isGetter ? overriddenProperty.getGetter() : overriddenProperty.getSetter();
137                if (accessorDescriptor != null) {
138                    overriddenAccessors.add(accessorDescriptor);
139                }
140            }
141            return overriddenAccessors;
142        }
143    
144        @Override
145        public void addOverriddenDescriptor(@NotNull CallableMemberDescriptor overridden) {
146            throw new IllegalStateException();
147        }
148    
149        @NotNull
150        @Override
151        public abstract PropertyAccessorDescriptor getOriginal();
152    }