/*
* Copyright 2004 The Apache Software Foundation
*
* Licensed 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 IndexReaderLucene.Net.Index.IndexReader;
using TermLucene.Net.Index.Term;
namespace Lucene.Net.Search{
/// <summary>Implements the wildcard search query. Supported wildcards are <code>*</code>, which
/// matches any character sequence (including the empty one), and <code>?</code>,
/// 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 <code>*</code> or
/// <code>?</code>.
///
/// </summary>
/// <seealso cref="WildcardTermEnum">
/// </seealso>
[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();
}
}
}
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