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/*
* Copyright (c) 2023 Vaughn Nugent
*
* Library: VNLib
* Package: VNLib.Data.Caching.ObjectCache
* File: IBlobCacheBucket.cs
*
* IBlobCacheBucket.cs is part of VNLib.Data.Caching.ObjectCache which
* is part of the larger VNLib collection of libraries and utilities.
*
* VNLib.Data.Caching.ObjectCache is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* VNLib.Data.Caching.ObjectCache is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see https://www.gnu.org/licenses/.
*/
using System;
using System.Threading;
using System.Threading.Tasks;
namespace VNLib.Data.Caching.ObjectCache
{
/// <summary>
/// Represents a singe cache bucket that maintains cache concurrent <see cref="IBlobCache"/>
/// operations.
/// </summary>
public interface IBlobCacheBucket : IDisposable
{
/// <summary>
/// The unique integer id of a bucket within an <see cref="IBlobCacheTable"/>
/// </summary>
uint Id { get; }
/// <summary>
/// Allows for waiting for the cache directly, IE without receiving a lock handle
/// </summary>
/// <param name="cancellation"></param>
/// <returns>The underlying <see cref="IBlobCache"/> that now has exlcusive access</returns>
ValueTask<IBlobCache> ManualWaitAsync(CancellationToken cancellation);
/// <summary>
/// Releases an exlcusive lock on the current bucket that was obtained by <see cref="ManualWaitAsync(CancellationToken)"/>
/// </summary>
void Release();
}
}
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