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FilterDirectory.cs
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FilterDirectory.cs
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using System;
using System.Collections.Generic;
namespace Lucene.Net.Store
{
/*
* 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.
*/
/// <summary>
/// Directory implementation that delegates calls to another directory.
/// This class can be used to add limitations on top of an existing
/// <see cref="Directory"/> implementation such as
/// rate limiting (<see cref="RateLimitedDirectoryWrapper"/>) or to add additional
/// sanity checks for tests. However, if you plan to write your own
/// <see cref="Directory"/> implementation, you should consider extending directly
/// <see cref="Directory"/> or <see cref="BaseDirectory"/> rather than try to reuse
/// functionality of existing <see cref="Directory"/>s by extending this class.
/// <para/>
/// @lucene.internal
/// </summary>
public class FilterDirectory : Directory
{
protected readonly Directory m_input;
/// <summary>
/// Sole constructor, typically called from sub-classes. </summary>
protected FilterDirectory(Directory @in)
{
this.m_input = @in;
}
/// <summary>
/// Return the wrapped <see cref="Directory"/>. </summary>
public Directory Delegate => m_input;
public override string[] ListAll()
{
return m_input.ListAll();
}
[Obsolete("this method will be removed in 5.0")]
public override bool FileExists(string name)
{
return m_input.FileExists(name);
}
public override void DeleteFile(string name)
{
m_input.DeleteFile(name);
}
public override long FileLength(string name)
{
return m_input.FileLength(name);
}
public override IndexOutput CreateOutput(string name, IOContext context)
{
return m_input.CreateOutput(name, context);
}
public override void Sync(ICollection<string> names)
{
m_input.Sync(names);
}
public override IndexInput OpenInput(string name, IOContext context)
{
return m_input.OpenInput(name, context);
}
public override Lock MakeLock(string name)
{
return m_input.MakeLock(name);
}
public override void ClearLock(string name)
{
m_input.ClearLock(name);
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
m_input.Dispose();
}
}
public override void SetLockFactory(LockFactory lockFactory)
{
m_input.SetLockFactory(lockFactory);
}
public override string GetLockID()
{
return m_input.GetLockID();
}
public override LockFactory LockFactory => m_input.LockFactory;
public override string ToString()
{
return this.GetType().Name + "(" + m_input.ToString() + ")";
}
}
}