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.scopes;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.annotations.Nullable;
021    import org.jetbrains.annotations.TestOnly;
022    import org.jetbrains.jet.lang.descriptors.*;
023    import org.jetbrains.jet.lang.resolve.name.Name;
024    import org.jetbrains.jet.utils.Printer;
025    
026    import java.util.Collection;
027    import java.util.Collections;
028    import java.util.List;
029    
030    public abstract class JetScopeImpl implements JetScope {
031        @Override
032        public ClassifierDescriptor getClassifier(@NotNull Name name) {
033            return null;
034        }
035    
036        @NotNull
037        @Override
038        public Collection<VariableDescriptor> getProperties(@NotNull Name name) {
039            return Collections.emptySet();
040        }
041    
042        @Override
043        public VariableDescriptor getLocalVariable(@NotNull Name name) {
044            return null;
045        }
046    
047        @Nullable
048        @Override
049        public PackageViewDescriptor getPackage(@NotNull Name name) {
050            return null;
051        }
052    
053        @NotNull
054        @Override
055        public Collection<FunctionDescriptor> getFunctions(@NotNull Name name) {
056            return Collections.emptySet();
057        }
058    
059        @NotNull
060        @Override
061        public Collection<DeclarationDescriptor> getDeclarationsByLabel(@NotNull Name labelName) {
062            return Collections.emptyList();
063        }
064    
065        @NotNull
066        @Override
067        public Collection<DeclarationDescriptor> getAllDescriptors() {
068            return Collections.emptyList();
069        }
070    
071        @NotNull
072        @Override
073        public List<ReceiverParameterDescriptor> getImplicitReceiversHierarchy() {
074            return Collections.emptyList();
075        }
076    
077        @NotNull
078        @Override
079        public Collection<DeclarationDescriptor> getOwnDeclaredDescriptors() {
080            return Collections.emptyList();
081        }
082    
083        // This method should not be implemented here by default: every scope class has its unique structure pattern
084        @TestOnly
085        @Override
086        public abstract void printScopeStructure(@NotNull Printer p);
087    }