| using J2N; |
| using Lucene.Net.Index; |
| using Lucene.Net.QueryParsers.Flexible.Core.Nodes; |
| using Lucene.Net.Search; |
| |
| namespace Lucene.Net.QueryParsers.Flexible.Standard.Builders |
| { |
| /* |
| * 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> |
| /// Builds a <see cref="FuzzyQuery"/> object from a <see cref="FuzzyQueryNode"/> object. |
| /// </summary> |
| public class FuzzyQueryNodeBuilder : IStandardQueryBuilder |
| { |
| public FuzzyQueryNodeBuilder() |
| { |
| // empty constructor |
| } |
| |
| public virtual Query Build(IQueryNode queryNode) |
| { |
| FuzzyQueryNode fuzzyNode = (FuzzyQueryNode)queryNode; |
| string text = fuzzyNode.GetTextAsString(); |
| |
| #pragma warning disable 612, 618 |
| int numEdits = FuzzyQuery.SingleToEdits(fuzzyNode.Similarity, |
| text.CodePointCount(0, text.Length)); |
| #pragma warning restore 612, 618 |
| |
| return new FuzzyQuery(new Term(fuzzyNode.GetFieldAsString(), fuzzyNode |
| .GetTextAsString()), numEdits, fuzzyNode |
| .PrefixLength); |
| } |
| } |
| } |