/*
* 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.
*/
using System;
using IndexReader = Lucene.Net.Index.IndexReader;
using Term = Lucene.Net.Index.Term;
namespace Lucene.Net.Search
{
/// Implements the wildcard search query. Supported wildcards are *
, which
/// matches any character sequence (including the empty one), and ?
,
/// which matches any single character. Note this query can be slow, as it
/// needs to iterate over many terms. In order to prevent extremely slow WildcardQueries,
/// a Wildcard term should not start with one of the wildcards *
or
/// ?
.
///
///
///
///
[Serializable]
public class WildcardQuery : MultiTermQuery
{
public WildcardQuery(Term term) : base(term)
{
}
protected internal override FilteredTermEnum GetEnum(IndexReader reader)
{
return new WildcardTermEnum(reader, GetTerm());
}
public override bool Equals(System.Object o)
{
if (o is WildcardQuery)
return base.Equals(o);
return false;
}
public override int GetHashCode()
{
return base.GetHashCode();
}
}
}