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/*
* 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 Term = Lucene.Net.Index.Term;
namespace Lucene.Net.Search
{
/// <summary> A Filter that restricts search results to values that have a matching prefix in a given
/// field.
/// </summary>
[Serializable]
public class PrefixFilter:MultiTermQueryWrapperFilter<PrefixQuery>
{
public PrefixFilter(Term prefix):base(new PrefixQuery(prefix))
{
}
public virtual Term Prefix
{
get { return query.Prefix; }
}
/// <summary>Prints a user-readable version of this query. </summary>
public override System.String ToString()
{
System.Text.StringBuilder buffer = new System.Text.StringBuilder();
buffer.Append("PrefixFilter(");
buffer.Append(Prefix.ToString());
buffer.Append(")");
return buffer.ToString();
}
}
}
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