1 package org.apache.lucene.queryParser.standard.builders;
4 * Licensed to the Apache Software Foundation (ASF) under one or more
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20 import java.util.List;
22 import org.apache.lucene.queryParser.core.QueryNodeException;
23 import org.apache.lucene.queryParser.core.builders.QueryTreeBuilder;
24 import org.apache.lucene.queryParser.core.nodes.FieldQueryNode;
25 import org.apache.lucene.queryParser.core.nodes.QueryNode;
26 import org.apache.lucene.queryParser.core.nodes.TokenizedPhraseQueryNode;
27 import org.apache.lucene.search.PhraseQuery;
28 import org.apache.lucene.search.TermQuery;
31 * Builds a {@link PhraseQuery} object from a {@link TokenizedPhraseQueryNode}
34 public class PhraseQueryNodeBuilder implements StandardQueryBuilder {
36 public PhraseQueryNodeBuilder() {
40 public PhraseQuery build(QueryNode queryNode) throws QueryNodeException {
41 TokenizedPhraseQueryNode phraseNode = (TokenizedPhraseQueryNode) queryNode;
43 PhraseQuery phraseQuery = new PhraseQuery();
45 List<QueryNode> children = phraseNode.getChildren();
47 if (children != null) {
49 for (QueryNode child : children) {
50 TermQuery termQuery = (TermQuery) child
51 .getTag(QueryTreeBuilder.QUERY_TREE_BUILDER_TAGID);
52 FieldQueryNode termNode = (FieldQueryNode) child;
54 phraseQuery.add(termQuery.getTerm(), termNode.getPositionIncrement());