+++ /dev/null
-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 org.apache.lucene.index.Term;
-import org.apache.lucene.index.TermEnum;
-import org.apache.lucene.index.IndexReader;
-
-import java.io.IOException;
-
-
-public class SrndPrefixQuery extends SimpleTerm {
- public SrndPrefixQuery(String prefix, boolean quoted, char truncator) {
- super(quoted);
- this.prefix = prefix;
- this.truncator = truncator;
- }
-
- private final String prefix;
- public String getPrefix() {return prefix;}
-
- private final char truncator;
- public char getSuffixOperator() {return truncator;}
-
- public Term getLucenePrefixTerm(String fieldName) {
- return new Term(fieldName, getPrefix());
- }
-
- @Override
- public String toStringUnquoted() {return getPrefix();}
-
- @Override
- protected void suffixToString(StringBuilder r) {r.append(getSuffixOperator());}
-
- @Override
- public void visitMatchingTerms(
- IndexReader reader,
- String fieldName,
- MatchingTermVisitor mtv) throws IOException
- {
- /* inspired by PrefixQuery.rewrite(): */
- TermEnum enumerator = reader.terms(getLucenePrefixTerm(fieldName));
- try {
- do {
- Term term = enumerator.term();
- if ((term != null)
- && term.text().startsWith(getPrefix())
- && term.field().equals(fieldName)) {
- mtv.visitMatchingTerm(term);
- } else {
- break;
- }
- } while (enumerator.next());
- } finally {
- enumerator.close();
- }
- }
-}