package org.apache.lucene.queryParser.surround.query; /** * 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. */ import java.util.List; import org.apache.lucene.search.Query; import org.apache.lucene.search.BooleanQuery; import org.apache.lucene.search.BooleanClause; public class NotQuery extends ComposedQuery { public NotQuery(List<SrndQuery> queries, String opName) { super(queries, true /* infix */, opName); } @Override public Query makeLuceneQueryFieldNoBoost(String fieldName, BasicQueryFactory qf) { List<Query> luceneSubQueries = makeLuceneSubQueriesField(fieldName, qf); BooleanQuery bq = new BooleanQuery(); bq.add( luceneSubQueries.get(0), BooleanClause.Occur.MUST); SrndBooleanQuery.addQueriesToBoolean(bq, // FIXME: do not allow weights on prohibited subqueries. luceneSubQueries.subList(1, luceneSubQueries.size()), // later subqueries: not required, prohibited BooleanClause.Occur.MUST_NOT); return bq; } }