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31 lines
1.6 KiB
C#
31 lines
1.6 KiB
C#
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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
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namespace System.Data.Entity.Infrastructure
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{
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using System.Data.Common;
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/// <summary>
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/// Implementations of this interface are used to create DbConnection objects for
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/// a type of database server based on a given database name.
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/// An Instance is set on the <see cref="Database" /> class to
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/// cause all DbContexts created with no connection information or just a database
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/// name or connection string to use a certain type of database server by default.
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/// Two implementations of this interface are provided: <see cref="SqlConnectionFactory" />
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/// is used to create connections to Microsoft SQL Server, including EXPRESS editions.
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/// <see cref="SqlCeConnectionFactory" /> is used to create connections to Microsoft SQL
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/// Server Compact Editions.
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/// Other implementations for other database servers can be added as needed.
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/// Note that implementations should be thread safe or immutable since they may
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/// be accessed by multiple threads at the same time.
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/// </summary>
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public interface IDbConnectionFactory
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{
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/// <summary>
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/// Creates a connection based on the given database name or connection string.
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/// </summary>
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/// <param name="nameOrConnectionString"> The database name or connection string. </param>
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/// <returns> An initialized DbConnection. </returns>
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DbConnection CreateConnection(string nameOrConnectionString);
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}
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}
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