93 lines
3.0 KiB
C#
93 lines
3.0 KiB
C#
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//---------------------------------------------------------------------
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// <copyright file="AssociationSet.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;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Text;
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namespace System.Data.Metadata.Edm
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{
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/// <summary>
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/// Class for representing an Association set
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/// </summary>
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public sealed class AssociationSet : RelationshipSet
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{
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#region Constructors
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/// <summary>
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/// Initializes a new instance of AssocationSet with the given name and the association type
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/// </summary>
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/// <param name="name">The name of the Assocation set</param>
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/// <param name="associationType">The association type of the entities that this associationship set type contains</param>
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internal AssociationSet(string name, AssociationType associationType)
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: base(name, null, null, null, associationType)
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{
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}
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#endregion
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#region Fields
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private readonly ReadOnlyMetadataCollection<AssociationSetEnd> _associationSetEnds =
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new ReadOnlyMetadataCollection<AssociationSetEnd>(new MetadataCollection<AssociationSetEnd>());
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#endregion
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#region Properties
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/// <summary>
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/// Returns the association type associated with this association set
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/// </summary>
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public new AssociationType ElementType
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{
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get
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{
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return (AssociationType)base.ElementType;
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}
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}
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/// <summary>
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/// Returns the ends of the association set
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/// </summary>
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[MetadataProperty(BuiltInTypeKind.AssociationSetEnd, true)]
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public ReadOnlyMetadataCollection<AssociationSetEnd> AssociationSetEnds
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{
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get
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{
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return _associationSetEnds;
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}
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}
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/// <summary>
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/// Returns the kind of the type
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/// </summary>
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public override BuiltInTypeKind BuiltInTypeKind { get { return BuiltInTypeKind.AssociationSet; } }
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#endregion
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#region Methods
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/// <summary>
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/// Sets this item to be readonly, once this is set, the item will never be writable again.
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/// </summary>
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internal override void SetReadOnly()
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{
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if (!this.IsReadOnly)
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{
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base.SetReadOnly();
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this.AssociationSetEnds.Source.SetReadOnly();
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}
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}
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/// <summary>
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/// Adds the given end to the collection of ends
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/// </summary>
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/// <param name="associationSetEnd"></param>
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internal void AddAssociationSetEnd(AssociationSetEnd associationSetEnd)
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{
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this.AssociationSetEnds.Source.Add(associationSetEnd);
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}
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#endregion
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}
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}
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