| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.lucene.search.spell; |
| |
| import java.util.Comparator; |
| /** |
| * Frequency first, then score. |
| * |
| **/ |
| public class SuggestWordFrequencyComparator implements Comparator<SuggestWord> { |
| |
| /** |
| * Creates a new comparator that will compare by {@link SuggestWord#freq}, |
| * then by {@link SuggestWord#score}, then by {@link SuggestWord#string}. |
| */ |
| public SuggestWordFrequencyComparator() {} |
| |
| @Override |
| public int compare(SuggestWord first, SuggestWord second) { |
| // first criteria: the frequency |
| if (first.freq > second.freq) { |
| return 1; |
| } |
| if (first.freq < second.freq) { |
| return -1; |
| } |
| |
| // second criteria (if first criteria is equal): the score |
| if (first.score > second.score) { |
| return 1; |
| } |
| if (first.score < second.score) { |
| return -1; |
| } |
| // third criteria: term text |
| return second.string.compareTo(first.string); |
| } |
| } |