AssociationSetEnd.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / Metadata / Edm / AssociationSetEnd.cs / 1305376 / AssociationSetEnd.cs
                        
                        
                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner       [....]
// @backupOwner [....] 
//--------------------------------------------------------------------- 
using System;
using System.Collections.Generic; 
using System.Data.Common;
using System.Text;

 
namespace System.Data.Metadata.Edm
{ 
    ///  
    /// Class representing a AssociationSet End
    ///  
    public sealed class AssociationSetEnd : MetadataItem
    {
        #region Constructors
        ///  
        /// Initializes a new instance of AssocationSetEnd
        ///  
        /// Entity set that this end refers to 
        /// The association set which this belongs to
        /// The end member of the association set which this is an instance of 
        /// Thrown if either the role,entitySet, parentSet or endMember arguments are null 
        internal AssociationSetEnd(EntitySet entitySet, AssociationSet parentSet, AssociationEndMember endMember)
        {
            _entitySet = EntityUtil.GenericCheckArgumentNull(entitySet, "entitySet"); 
            _parentSet = EntityUtil.GenericCheckArgumentNull(parentSet, "parentSet");
            _endMember = EntityUtil.GenericCheckArgumentNull(endMember, "endMember"); 
        } 
        #endregion
 
        #region Fields
        private readonly EntitySet _entitySet;
        private readonly AssociationSet _parentSet;
        private readonly AssociationEndMember _endMember; 
        #endregion
 
        #region Properties 
        /// 
        /// Returns the kind of the type 
        /// 
        public override BuiltInTypeKind BuiltInTypeKind { get { return BuiltInTypeKind.AssociationSetEnd; } }

        ///  
        /// The parent association set for this AssociationSetEnd.
        ///  
        /// Thrown if the value passed in for the setter is null  
        /// Thrown if Setter is called when the AssociationSetEnd instance is in ReadOnly state
        [MetadataProperty(BuiltInTypeKind.AssociationSet, false)] 
        public AssociationSet ParentAssociationSet
        {
            get
            { 
                return _parentSet;
            } 
        } 

        ///  
        /// The EndMember which this AssociationSetEnd corresponds to.
        /// 
        /// Thrown if the value passed in for the setter is null 
        /// Thrown if Setter is called when the AssociationSetEnd instance is in ReadOnly state 
        [MetadataProperty(BuiltInTypeKind.AssociationEndMember, false)]
        public AssociationEndMember CorrespondingAssociationEndMember 
        { 
            get
            { 
                return _endMember;
            }
        }
 
        /// 
        /// Name of the end 
        ///  
        [MetadataProperty(PrimitiveTypeKind.String, false)]
        public string Name 
        {
            get
            {
                return CorrespondingAssociationEndMember.Name; 
            }
        } 
 
        /// 
        /// Name of the end role 
        /// 
        /// Thrown if the value passed in for the setter is null 
        /// Thrown if Setter is called when the AssociationSetEnd instance is in ReadOnly state
        [MetadataProperty(PrimitiveTypeKind.String, false)] 
        [Obsolete("This property is going away, please use the Name property instead")]
        public string Role 
        { 
            get
            { 
                return Name;
            }
        }
 
        /// 
        /// Returns the entity set referred by this end role 
        ///  
        [MetadataProperty(BuiltInTypeKind.EntitySet, false)]
        public EntitySet EntitySet 
        {
            get
            {
                return _entitySet; 
            }
        } 
 
        /// 
        /// Gets the identity of this item 
        /// 
        internal override string Identity
        {
            get 
            {
                return this.Name; 
            } 
        }
        #endregion 

        #region Methods
        /// 
        /// Overriding System.Object.ToString to provide better String representation 
        /// for this type.
        ///  
        public override string ToString() 
        {
            return Name; 
        }

        /// 
        /// Sets this item to be readonly, once this is set, the item will never be writable again. 
        /// 
        internal override void SetReadOnly() 
        { 
            if (!IsReadOnly)
            { 
                base.SetReadOnly();

                AssociationSet parentAssociationSet = ParentAssociationSet;
                if (parentAssociationSet != null) 
                {
                    parentAssociationSet.SetReadOnly(); 
                } 

                AssociationEndMember endMember = CorrespondingAssociationEndMember; 
                if (endMember != null)
                {
                    endMember.SetReadOnly();
                } 

                EntitySet entitySet = EntitySet; 
                if (entitySet != null) 
                {
                    entitySet.SetReadOnly(); 
                }
            }
        }
        #endregion 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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AssociationSetEnd.cs source code in C# .NET

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