| using Lucene.Net.Search; |
| using System.Xml; |
| |
| namespace Lucene.Net.QueryParsers.Xml.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> |
| /// Builder for <see cref="FilteredQuery"/> |
| /// </summary> |
| public class FilteredQueryBuilder : IQueryBuilder |
| { |
| private readonly IFilterBuilder filterFactory; |
| private readonly IQueryBuilder queryFactory; |
| |
| public FilteredQueryBuilder(IFilterBuilder filterFactory, IQueryBuilder queryFactory) |
| { |
| this.filterFactory = filterFactory; |
| this.queryFactory = queryFactory; |
| |
| } |
| |
| /// <summary> |
| /// (non-Javadoc) |
| /// @see org.apache.lucene.xmlparser.QueryObjectBuilder#process(org.w3c.dom.Element) |
| /// </summary> |
| public virtual Query GetQuery(XmlElement e) |
| { |
| XmlElement filterElement = DOMUtils.GetChildByTagOrFail(e, "Filter"); |
| filterElement = DOMUtils.GetFirstChildOrFail(filterElement); |
| Filter f = filterFactory.GetFilter(filterElement); |
| |
| XmlElement queryElement = DOMUtils.GetChildByTagOrFail(e, "Query"); |
| queryElement = DOMUtils.GetFirstChildOrFail(queryElement); |
| Query q = queryFactory.GetQuery(queryElement); |
| |
| FilteredQuery fq = new FilteredQuery(q, f); |
| fq.Boost = DOMUtils.GetAttribute(e, "boost", 1.0f); |
| return fq; |
| } |
| } |
| } |