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 org.jetbrains.annotations.NotNull;
020    import org.jetbrains.annotations.Nullable;
021    import org.jetbrains.jet.lang.descriptors.*;
022    import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
023    import org.jetbrains.jet.lang.resolve.name.Name;
024    import org.jetbrains.jet.lang.types.JetType;
025    
026    import java.util.Collections;
027    import java.util.List;
028    import java.util.Set;
029    
030    public abstract class VariableDescriptorImpl extends DeclarationDescriptorNonRootImpl implements VariableDescriptor {
031        private JetType outType;
032    
033        public VariableDescriptorImpl(
034                @NotNull DeclarationDescriptor containingDeclaration,
035                @NotNull List<AnnotationDescriptor> annotations,
036                @NotNull Name name,
037                @Nullable JetType outType) {
038            super(containingDeclaration, annotations, name);
039    
040            this.outType = outType;
041        }
042    
043        protected VariableDescriptorImpl(
044                @NotNull DeclarationDescriptor containingDeclaration,
045                @NotNull List<AnnotationDescriptor> annotations,
046                @NotNull Name name
047        )
048        {
049            this(containingDeclaration, annotations, name, null);
050        }
051    
052        @NotNull
053        @Override
054        public JetType getType() {
055            return outType;
056        }
057    
058        public void setOutType(JetType outType) {
059            assert this.outType == null;
060            this.outType = outType;
061        }
062    
063        @Override
064        @NotNull
065        public VariableDescriptor getOriginal() {
066            return (VariableDescriptor) super.getOriginal();
067        }
068    
069        @NotNull
070        @Override
071        public List<ValueParameterDescriptor> getValueParameters() {
072            return Collections.emptyList();
073        }
074    
075        @NotNull
076        @Override
077        public Set<? extends CallableDescriptor> getOverriddenDescriptors() {
078            return Collections.emptySet();
079        }
080    
081        @NotNull
082        @Override
083        public List<TypeParameterDescriptor> getTypeParameters() {
084            return Collections.emptyList();
085        }
086    
087        @Override
088        public ReceiverParameterDescriptor getReceiverParameter() {
089            return ReceiverParameterDescriptor.NO_RECEIVER_PARAMETER;
090        }
091    
092        @Override
093        public ReceiverParameterDescriptor getExpectedThisObject() {
094            return ReceiverParameterDescriptor.NO_RECEIVER_PARAMETER;
095        }
096    
097        @NotNull
098        @Override
099        public JetType getReturnType() {
100            return getType();
101        }
102    }