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
017package org.jetbrains.jet.lang.descriptors.impl;
018
019import org.jetbrains.annotations.NotNull;
020import org.jetbrains.jet.lang.descriptors.DeclarationDescriptorVisitor;
021import org.jetbrains.jet.lang.descriptors.ModuleDescriptor;
022import org.jetbrains.jet.lang.descriptors.NamespaceDescriptor;
023import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
024import org.jetbrains.jet.lang.resolve.name.Name;
025import org.jetbrains.jet.lang.types.TypeSubstitutor;
026
027import java.util.List;
028
029public abstract class AbstractNamespaceDescriptorImpl extends DeclarationDescriptorNonRootImpl implements NamespaceDescriptor {
030    public AbstractNamespaceDescriptorImpl(
031            @NotNull NamespaceDescriptorParent containingDeclaration,
032            List<AnnotationDescriptor> annotations,
033            @NotNull Name name) {
034
035        super(containingDeclaration, annotations, name);
036
037        boolean rootAccordingToContainer = containingDeclaration instanceof ModuleDescriptor;
038        if (rootAccordingToContainer != name.isSpecial()) {
039            throw new IllegalStateException("something is wrong, name: " + name + ", container: " + containingDeclaration);
040        }
041    }
042
043    @Override
044    @NotNull
045    public NamespaceDescriptorParent getContainingDeclaration() {
046        return (NamespaceDescriptorParent) super.getContainingDeclaration();
047    }
048
049    @Override
050    public void addNamespace(@NotNull NamespaceDescriptor namespaceDescriptor) {
051        throw new IllegalStateException("immutable");
052    }
053
054    @NotNull
055    @Override
056    public NamespaceDescriptor substitute(@NotNull TypeSubstitutor substitutor) {
057        throw new UnsupportedOperationException("This operation does not make sense for a namespace");
058    }
059
060    @Override
061    public <R, D> R accept(DeclarationDescriptorVisitor<R, D> visitor, D data) {
062        return visitor.visitNamespaceDescriptor(this, data);
063    }
064}