package org.apache.lucene.queryParser.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.
*/
import java.util.List;
import org.apache.lucene.messages.MessageImpl;
import org.apache.lucene.queryParser.core.QueryNodeException;
import org.apache.lucene.queryParser.core.builders.QueryTreeBuilder;
import org.apache.lucene.queryParser.core.messages.QueryParserMessages;
import org.apache.lucene.queryParser.core.nodes.AnyQueryNode;
import org.apache.lucene.queryParser.core.nodes.QueryNode;
import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.BooleanQuery.TooManyClauses;
public class AnyQueryNodeBuilder implements StandardQueryBuilder {
public AnyQueryNodeBuilder() {
// empty constructor
}
public BooleanQuery build(QueryNode queryNode) throws QueryNodeException {
AnyQueryNode andNode = (AnyQueryNode) queryNode;
BooleanQuery bQuery = new BooleanQuery();
List<QueryNode> children = andNode.getChildren();
if (children != null) {
for (QueryNode child : children) {
Object obj = child.getTag(QueryTreeBuilder.QUERY_TREE_BUILDER_TAGID);
if (obj != null) {
Query query = (Query) obj;
try {
bQuery.add(query, BooleanClause.Occur.SHOULD);
} catch (TooManyClauses ex) {
throw new QueryNodeException(new MessageImpl(
/*
* IQQQ.Q0028E_TOO_MANY_BOOLEAN_CLAUSES,
* BooleanQuery.getMaxClauseCount()
*/QueryParserMessages.EMPTY_MESSAGE), ex);
}
}
}
}
bQuery.setMinimumNumberShouldMatch(andNode.getMinimumMatchingElements());
return bQuery;
}
}