62 lines
1.9 KiB
C#
62 lines
1.9 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="CompiledQueryCacheKey.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//
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// @owner Microsoft
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// @backupOwner Microsoft
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//------------------------------------------------------------------------------
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namespace System.Data.Common.QueryCache
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{
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using System;
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using System.Diagnostics;
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internal sealed class CompiledQueryCacheKey : QueryCacheKey
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{
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private readonly Guid _cacheIdentity;
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internal CompiledQueryCacheKey(Guid cacheIdentity)
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{
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_cacheIdentity = cacheIdentity;
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}
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/// <summary>
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/// Determines equality of this key with respect to <paramref name="compareTo"/>
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/// </summary>
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/// <param name="otherObject"></param>
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/// <returns></returns>
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public override bool Equals(object compareTo)
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{
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Debug.Assert(compareTo != null, "Comparison key should not be null");
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if (typeof(CompiledQueryCacheKey) != compareTo.GetType())
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{
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return false;
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}
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return ((CompiledQueryCacheKey)compareTo)._cacheIdentity.Equals(this._cacheIdentity);
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}
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/// <summary>
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/// Returns the hashcode for this cache key
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/// </summary>
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/// <returns></returns>
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public override int GetHashCode()
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{
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return _cacheIdentity.GetHashCode();
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}
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/// <summary>
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/// Returns a string representation of the state of this cache key
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/// </summary>
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/// <returns>
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/// A string representation that includes query text, parameter information, include path information
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/// and merge option information about this cache key.
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/// </returns>
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public override string ToString()
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{
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return _cacheIdentity.ToString();
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}
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}
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}
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