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package org.apache.lucene.xmlparser.builders;
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import org.apache.lucene.search.ConstantScoreQuery;
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import org.apache.lucene.search.Query;
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import org.apache.lucene.xmlparser.DOMUtils;
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import org.apache.lucene.xmlparser.FilterBuilderFactory;
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import org.apache.lucene.xmlparser.ParserException;
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import org.apache.lucene.xmlparser.QueryBuilder;
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import org.w3c.dom.Element;
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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public class ConstantScoreQueryBuilder implements QueryBuilder
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private FilterBuilderFactory filterFactory;
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public ConstantScoreQueryBuilder(FilterBuilderFactory filterFactory)
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this.filterFactory=filterFactory;
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public Query getQuery(Element e) throws ParserException
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Element filterElem=DOMUtils.getFirstChildOrFail(e);
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Query q=new ConstantScoreQuery(filterFactory.getFilter(filterElem));
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q.setBoost(DOMUtils.getAttribute(e,"boost",1.0f));