68 lines
2.4 KiB
C#
68 lines
2.4 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="EntityDataSourceContainerNameItem.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 [....]
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// @backupOwner [....]
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//------------------------------------------------------------------------------
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using System.Data.Metadata.Edm;
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using System.Diagnostics;
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namespace System.Web.UI.Design.WebControls
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{
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internal class EntityDataSourceContainerNameItem : IComparable<EntityDataSourceContainerNameItem>
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{
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// Only one of the following should be set. This is enforced through the constructors and the fact that these fields are readonly.
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private readonly EntityContainer _entityContainer; // used when we have a real EntityContainer backing this item
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private readonly string _unknownContainerName; // used when we have an unknown DefaultContainerName that we still want to include in the list
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internal EntityDataSourceContainerNameItem(EntityContainer entityContainer)
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{
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Debug.Assert(entityContainer != null, "null entityContainer");
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_entityContainer = entityContainer;
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}
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internal EntityDataSourceContainerNameItem(string unknownContainerName)
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{
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Debug.Assert(!String.IsNullOrEmpty(unknownContainerName), "null or empty unknownContainerName");
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_unknownContainerName = unknownContainerName;
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}
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internal string EntityContainerName
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{
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get
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{
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if (_entityContainer != null)
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{
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return _entityContainer.Name;
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}
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else
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{
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return _unknownContainerName;
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}
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}
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}
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internal EntityContainer EntityContainer
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{
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get
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{
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// may be null if this represents an unknown container
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return _entityContainer;
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}
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}
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public override string ToString()
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{
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return this.EntityContainerName;
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}
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int IComparable<EntityDataSourceContainerNameItem>.CompareTo(EntityDataSourceContainerNameItem other)
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{
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return (String.Compare(this.EntityContainerName, other.EntityContainerName, StringComparison.OrdinalIgnoreCase));
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}
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}
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}
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