51 lines
1.5 KiB
C#
51 lines
1.5 KiB
C#
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//---------------------------------------------------------------------
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// <copyright file="EntityWithKeyStrategy.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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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Data;
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using System.Data.Objects.DataClasses;
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using System.Diagnostics;
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namespace System.Data.Objects.Internal
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{
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/// <summary>
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/// Implementor of IEntityKeyStrategy for entities that implement IEntityWithKey. Getting and setting
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/// the key is deferred to the entity itself.
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/// </summary>
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internal sealed class EntityWithKeyStrategy : IEntityKeyStrategy
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{
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private IEntityWithKey _entity;
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/// <summary>
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/// Creates a strategy object for the given entity. Keys will be stored in the entity.
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/// </summary>
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/// <param name="entity">The entity to use</param>
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public EntityWithKeyStrategy(IEntityWithKey entity)
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{
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_entity = entity;
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}
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// See IEntityKeyStrategy
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public EntityKey GetEntityKey()
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{
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return _entity.EntityKey;
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}
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// See IEntityKeyStrategy
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public void SetEntityKey(EntityKey key)
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{
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_entity.EntityKey = key;
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}
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// See IEntityKeyStrategy
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public EntityKey GetEntityKeyFromEntity()
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{
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return _entity.EntityKey;
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}
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}
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}
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