1 package org.apache.lucene.queryParser.standard.builders;
4 * Licensed to the Apache Software Foundation (ASF) under one or more
5 * contributor license agreements. See the NOTICE file distributed with
6 * this work for additional information regarding copyright ownership.
7 * The ASF licenses this file to You under the Apache License, Version 2.0
8 * (the "License"); you may not use this file except in compliance with
9 * the License. You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
20 import org.apache.lucene.index.Term;
21 import org.apache.lucene.queryParser.core.QueryNodeException;
22 import org.apache.lucene.queryParser.core.nodes.QueryNode;
23 import org.apache.lucene.queryParser.standard.nodes.PrefixWildcardQueryNode;
24 import org.apache.lucene.queryParser.standard.processors.MultiTermRewriteMethodProcessor;
25 import org.apache.lucene.search.MultiTermQuery;
26 import org.apache.lucene.search.PrefixQuery;
29 * Builds a {@link PrefixQuery} object from a {@link PrefixWildcardQueryNode}
32 public class PrefixWildcardQueryNodeBuilder implements StandardQueryBuilder {
34 public PrefixWildcardQueryNodeBuilder() {
38 public PrefixQuery build(QueryNode queryNode) throws QueryNodeException {
40 PrefixWildcardQueryNode wildcardNode = (PrefixWildcardQueryNode) queryNode;
42 String text = wildcardNode.getText().subSequence(0, wildcardNode.getText().length() - 1).toString();
43 PrefixQuery q = new PrefixQuery(new Term(wildcardNode.getFieldAsString(), text));
45 MultiTermQuery.RewriteMethod method = (MultiTermQuery.RewriteMethod)queryNode.getTag(MultiTermRewriteMethodProcessor.TAG_ID);
47 q.setRewriteMethod(method);