| /* |
| * Copyright 2008 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.core.ext.soyc.impl; |
| |
| import com.google.gwt.core.ext.soyc.HasDependencies; |
| import com.google.gwt.core.ext.soyc.Member; |
| |
| import java.util.Collections; |
| import java.util.SortedSet; |
| import java.util.TreeSet; |
| |
| /** |
| * Provides a common implementation of HasDependencies. |
| */ |
| public abstract class AbstractMemberWithDependencies extends AbstractMember implements |
| HasDependencies { |
| private final SortedSet<Member> dependencies = new TreeSet<Member>( |
| Member.TYPE_AND_SOURCE_NAME_COMPARATOR); |
| private final SortedSet<Member> dependenciesView = Collections |
| .unmodifiableSortedSet(dependencies); |
| |
| /** |
| * Add a dependency. |
| * |
| * @return <code>true</code> if the dependency was not previously added. |
| */ |
| public boolean addDependency(Member member) { |
| return dependencies.add(member); |
| } |
| |
| public SortedSet<Member> getDependencies() { |
| return dependenciesView; |
| } |
| } |