| using J2N.Text; |
| using System.Collections.Generic; |
| |
| namespace Lucene.Net.Search.Spell |
| { |
| /* |
| * 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. |
| */ |
| |
| /// <summary> |
| /// Frequency first, then score. |
| /// </summary> |
| public class SuggestWordFrequencyComparer : IComparer<SuggestWord> |
| { |
| |
| /// <summary> |
| /// Creates a new comparer that will compare by <see cref="SuggestWord.Freq"/>, |
| /// then by <see cref="SuggestWord.Score"/>, then by <see cref="SuggestWord.String"/>. |
| /// </summary> |
| public SuggestWordFrequencyComparer() |
| { |
| } |
| |
| public virtual 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.CompareToOrdinal(first.String); |
| } |
| } |
| } |