EdmMember.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / Metadata / Edm / EdmMember.cs / 1305376 / EdmMember.cs

                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner       [....]
// @backupOwner [....] 
//--------------------------------------------------------------------- 
using System;
using System.Collections.Generic; 
using System.Data.Common;
using System.Diagnostics;
using System.Text;
 
namespace System.Data.Metadata.Edm
{ 
    ///  
    /// Represents the edm member class
    ///  
    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Edm")]
    public abstract class EdmMember : MetadataItem
    {
        ///  
        /// Initializes a new instance of EdmMember class
        ///  
        /// name of the member 
        /// type information containing info about member's type and its facet
        internal EdmMember(string name, TypeUsage memberTypeUsage) 
        {
            EntityUtil.CheckStringArgument(name, "name");
            EntityUtil.GenericCheckArgumentNull(memberTypeUsage, "memberTypeUsage");
            _name = name; 
            _typeUsage = memberTypeUsage;
        } 
 
        private TypeUsage _typeUsage;
        private string _name; 
        private StructuralType _declaringType;

        /// 
        /// Returns the identity of the member 
        /// 
        internal override string Identity 
        { 
            get
            { 
                return this.Name;
            }
        }
 
        /// 
        /// Returns the name of the member 
        ///  
        [MetadataProperty(PrimitiveTypeKind.String, false)]
        public String Name 
        {
            get
            {
                return _name; 
            }
        } 
 
        /// 
        /// Returns the declaring type of the member 
        /// 
        public StructuralType DeclaringType
        {
            get 
            {
                return _declaringType; 
            } 
        }
 
        /// 
        /// Returns the TypeUsage object containing the type information and facets
        /// about the type
        ///  
        [MetadataProperty(BuiltInTypeKind.TypeUsage, false)]
        public TypeUsage TypeUsage 
        { 
            get
            { 
                return _typeUsage;
            }
        }
 
        /// 
        /// Overriding System.Object.ToString to provide better String representation 
        /// for this type. 
        /// 
        public override string ToString() 
        {
            return Name;
        }
 

        ///  
        /// Sets the member to read only mode. Once this is done, there are no changes 
        /// that can be done to this class
        ///  
        internal override void SetReadOnly()
        {
            if (!IsReadOnly)
            { 
                base.SetReadOnly();
 
                // TypeUsage is always readonly, no need to set it 
            }
        } 

        /// 
        /// Change the declaring type without doing fixup in the member collection
        ///  
        internal void ChangeDeclaringTypeWithoutCollectionFixup(StructuralType newDeclaringType)
        { 
            _declaringType = newDeclaringType; 
        }
 
        /// 
        /// Tells whether this member is marked as a Computed member in the EDM definition
        /// 
        internal bool IsStoreGeneratedComputed 
        {
            get 
            { 
                Facet item=null;
                if (TypeUsage.Facets.TryGetValue(EdmProviderManifest.StoreGeneratedPatternFacetName, false, out item)) 
                {
                    return ((StoreGeneratedPattern)item.Value) == StoreGeneratedPattern.Computed;
                }
                return false; 
            }
        } 
 
        /// 
        /// Tells whether this member's Store generated pattern is marked as Identity in the EDM definition 
        /// 
        internal bool IsStoreGeneratedIdentity
        {
            get 
            {
                Facet item = null; 
                if (TypeUsage.Facets.TryGetValue(EdmProviderManifest.StoreGeneratedPatternFacetName, false, out item)) 
                {
                    return ((StoreGeneratedPattern)item.Value) == StoreGeneratedPattern.Identity; 
                }
                return false;
            }
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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