| /* |
| * 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. |
| */ |
| package org.apache.lucene.queryparser.flexible.standard.builders; |
| |
| import org.apache.lucene.queryparser.flexible.core.QueryNodeException; |
| import org.apache.lucene.queryparser.flexible.core.builders.QueryTreeBuilder; |
| import org.apache.lucene.queryparser.flexible.core.nodes.QueryNode; |
| import org.apache.lucene.queryparser.flexible.standard.nodes.SynonymQueryNode; |
| import org.apache.lucene.search.BooleanClause.Occur; |
| import org.apache.lucene.search.BooleanQuery; |
| import org.apache.lucene.search.Query; |
| |
| /** Builder for {@link SynonymQueryNode}. */ |
| public class SynonymQueryNodeBuilder implements StandardQueryBuilder { |
| |
| /** Sole constructor. */ |
| public SynonymQueryNodeBuilder() {} |
| |
| @Override |
| public Query build(QueryNode queryNode) throws QueryNodeException { |
| // TODO: use SynonymQuery instead |
| SynonymQueryNode node = (SynonymQueryNode) queryNode; |
| BooleanQuery.Builder builder = new BooleanQuery.Builder(); |
| for (QueryNode child : node.getChildren()) { |
| Object obj = child.getTag(QueryTreeBuilder.QUERY_TREE_BUILDER_TAGID); |
| |
| if (obj != null) { |
| Query query = (Query) obj; |
| builder.add(query, Occur.SHOULD); |
| } |
| } |
| return builder.build(); |
| } |
| } |