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//------------------------------------------------------------------------------
// <copyright file="QueryCacheEntry.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//
// @owner Microsoft
// @backupOwner Microsoft
//------------------------------------------------------------------------------
namespace System.Data.Common.QueryCache
{
using System;
using System.Collections.Generic;
using System.Text;
using System.Data.Common;
using System.Diagnostics;
/// <summary>
/// Represents the abstract base class for all cache entry values in the query cache
/// </summary>
internal class QueryCacheEntry
{
#region Fields
/// <summary>
/// querycachekey for this entry
/// </summary>
readonly private QueryCacheKey _queryCacheKey;
/// <summary>
/// strong reference to the target object
/// </summary>
readonly protected object _target;
#endregion
#region Constructors
/// <summary>
/// cache entry constructor
/// </summary>
/// <param name="queryCacheKey"></param>
/// <param name="target"></param>
internal QueryCacheEntry(QueryCacheKey queryCacheKey, object target)
{
_queryCacheKey = queryCacheKey;
_target = target;
}
#endregion
#region Methods and Properties
/// <summary>
/// The payload of this cache entry.
/// </summary>
internal virtual object GetTarget()
{
return _target;
}
/// <summary>
/// Returns the query cache key
/// </summary>
internal QueryCacheKey QueryCacheKey
{
get { return _queryCacheKey; }
}
#endregion
}
}
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