| /* |
| * Copyright 2010 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.place.rebind; |
| |
| import com.google.gwt.core.ext.typeinfo.JClassType; |
| import com.google.gwt.thirdparty.guava.common.collect.ComparisonChain; |
| |
| import java.util.Comparator; |
| |
| /** |
| * Sorts types from most derived to least derived, falling back to alphabetical |
| * sorting. |
| */ |
| class MostToLeastDerivedPlaceTypeComparator implements Comparator<JClassType> { |
| public int compare(JClassType o1, JClassType o2) { |
| if (o1.equals(o2)) { |
| return 0; |
| } |
| return ComparisonChain.start() |
| // We want the longest first, so we put o2 before o1 in the comparison chain. |
| .compare(o2.getFlattenedSupertypeHierarchy().size(), o1.getFlattenedSupertypeHierarchy().size()) |
| .compare(o1.getQualifiedSourceName(), o2.getQualifiedSourceName()) |
| .result(); |
| } |
| } |