ComplexType.cs source code in C# .NET

                        Code:
                         / Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / ndp / fx / src / DataEntity / System / Data / Metadata / Edm / ComplexType.cs / 5 / ComplexType.cs
                        
                        
                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....], [....]
//--------------------------------------------------------------------- 
using System.Data.Common; 
using System.Threading;
using System.Diagnostics; 

namespace System.Data.Metadata.Edm
{
    ///  
    /// Represent the Edm Complex Type
    ///  
    public class ComplexType : StructuralType 
    {
        #region Constructors 
        /// 
        /// Initializes a new instance of Complex Type with the given properties
        /// 
        /// The name of the complex type 
        /// The namespace name of the type
        /// The version of this type 
        /// dataSpace in which this ComplexType belongs to 
        /// If either name, namespace or version arguments are null
        internal ComplexType(string name, string namespaceName, DataSpace dataSpace) 
            : base(name, namespaceName, dataSpace)
        {
        }
 
        /// 
        /// Initializes a new instance of Complex Type - required for bootstraping code 
        ///  
        internal ComplexType()
        { 
            // No initialization of item attributes in here, it's used as a pass thru in the case for delay population
            // of item attributes
        }
 

        #endregion 
 
        #region Fields
        private ReadOnlyMetadataCollection _properties; 
        #endregion

        #region Properties
        ///  
        /// Returns the kind of the type
        ///  
        public override BuiltInTypeKind BuiltInTypeKind { get { return BuiltInTypeKind.ComplexType; } } 

 

        /// 
        /// Returns just the properties from the collection
        /// of members on this type 
        /// 
        public ReadOnlyMetadataCollection Properties 
        { 
            get
            { 
                Debug.Assert(IsReadOnly, "this is a wrapper around this.Members, don't call it during metadata loading, only call it after the metadata is set to readonly");
                if (null == _properties)
                {
                    Interlocked.CompareExchange(ref _properties, 
                        new FilteredReadOnlyMetadataCollection(
                            this.Members, Helper.IsEdmProperty), null); 
                } 
                return _properties;
            } 
        }
        #endregion

        #region Methods 

        ///  
        /// Validates a EdmMember object to determine if it can be added to this type's 
        /// Members collection. If this method returns without throwing, it is assumed
        /// the member is valid. 
        /// 
        /// The member to validate
        /// Thrown if the member is not a EdmProperty
        internal override void ValidateMemberForAdd(EdmMember member) 
        {
            if (!Helper.IsEdmProperty(member) && !Helper.IsNavigationProperty(member)) 
            { 
                throw EntityUtil.ComplexTypeInvalidMembers();
            } 
        }
        #endregion
    }
 
    internal sealed class ClrComplexType : ComplexType
    { 
        /// cached CLR type handle, allowing the Type reference to be GC'd 
        private readonly System.RuntimeTypeHandle _type;
 
        /// cached dynamic method to construct a CLR instance
        private Delegate _constructor;

        private readonly string _cspaceTypeName; 

        ///  
        /// Initializes a new instance of Complex Type with properties from the type. 
        /// 
        /// The CLR type to construct from 
        internal ClrComplexType(Type clrType, string cspaceNamespaceName, string cspaceTypeName)
            : base(EntityUtil.GenericCheckArgumentNull(clrType, "clrType").Name, clrType.Namespace ?? string.Empty,
                   DataSpace.OSpace)
        { 
            System.Diagnostics.Debug.Assert(!String.IsNullOrEmpty(cspaceNamespaceName) &&
                !String.IsNullOrEmpty(cspaceTypeName), "Mapping information must never be null"); 
 
            _type = clrType.TypeHandle;
            _cspaceTypeName = cspaceNamespaceName + "." + cspaceTypeName; 
            this.Abstract = clrType.IsAbstract;
        }
        internal static ClrComplexType CreateReadonlyClrComplexType(Type clrType, string cspaceNamespaceName, string cspaceTypeName)
        { 
            ClrComplexType type = new ClrComplexType(clrType, cspaceNamespaceName, cspaceTypeName);
            type.SetReadOnly(); 
 
            return type;
        } 

        /// cached dynamic method to construct a CLR instance
        internal Delegate Constructor
        { 
            get { return _constructor; }
            set 
            { 
                // It doesn't matter which delegate wins, but only one should be jitted
                Interlocked.CompareExchange(ref _constructor, value, null); 
            }
        }

        ///  
        /// 
        internal override System.Type ClrType 
        { 
            get { return Type.GetTypeFromHandle(_type); }
        } 

        internal string CSpaceTypeName { get { return _cspaceTypeName; } }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....], [....]
//--------------------------------------------------------------------- 
using System.Data.Common; 
using System.Threading;
using System.Diagnostics; 

namespace System.Data.Metadata.Edm
{
    ///  
    /// Represent the Edm Complex Type
    ///  
    public class ComplexType : StructuralType 
    {
        #region Constructors 
        /// 
        /// Initializes a new instance of Complex Type with the given properties
        /// 
        /// The name of the complex type 
        /// The namespace name of the type
        /// The version of this type 
        /// dataSpace in which this ComplexType belongs to 
        /// If either name, namespace or version arguments are null
        internal ComplexType(string name, string namespaceName, DataSpace dataSpace) 
            : base(name, namespaceName, dataSpace)
        {
        }
 
        /// 
        /// Initializes a new instance of Complex Type - required for bootstraping code 
        ///  
        internal ComplexType()
        { 
            // No initialization of item attributes in here, it's used as a pass thru in the case for delay population
            // of item attributes
        }
 

        #endregion 
 
        #region Fields
        private ReadOnlyMetadataCollection _properties; 
        #endregion

        #region Properties
        ///  
        /// Returns the kind of the type
        ///  
        public override BuiltInTypeKind BuiltInTypeKind { get { return BuiltInTypeKind.ComplexType; } } 

 

        /// 
        /// Returns just the properties from the collection
        /// of members on this type 
        /// 
        public ReadOnlyMetadataCollection Properties 
        { 
            get
            { 
                Debug.Assert(IsReadOnly, "this is a wrapper around this.Members, don't call it during metadata loading, only call it after the metadata is set to readonly");
                if (null == _properties)
                {
                    Interlocked.CompareExchange(ref _properties, 
                        new FilteredReadOnlyMetadataCollection(
                            this.Members, Helper.IsEdmProperty), null); 
                } 
                return _properties;
            } 
        }
        #endregion

        #region Methods 

        ///  
        /// Validates a EdmMember object to determine if it can be added to this type's 
        /// Members collection. If this method returns without throwing, it is assumed
        /// the member is valid. 
        /// 
        /// The member to validate
        /// Thrown if the member is not a EdmProperty
        internal override void ValidateMemberForAdd(EdmMember member) 
        {
            if (!Helper.IsEdmProperty(member) && !Helper.IsNavigationProperty(member)) 
            { 
                throw EntityUtil.ComplexTypeInvalidMembers();
            } 
        }
        #endregion
    }
 
    internal sealed class ClrComplexType : ComplexType
    { 
        /// cached CLR type handle, allowing the Type reference to be GC'd 
        private readonly System.RuntimeTypeHandle _type;
 
        /// cached dynamic method to construct a CLR instance
        private Delegate _constructor;

        private readonly string _cspaceTypeName; 

        ///  
        /// Initializes a new instance of Complex Type with properties from the type. 
        /// 
        /// The CLR type to construct from 
        internal ClrComplexType(Type clrType, string cspaceNamespaceName, string cspaceTypeName)
            : base(EntityUtil.GenericCheckArgumentNull(clrType, "clrType").Name, clrType.Namespace ?? string.Empty,
                   DataSpace.OSpace)
        { 
            System.Diagnostics.Debug.Assert(!String.IsNullOrEmpty(cspaceNamespaceName) &&
                !String.IsNullOrEmpty(cspaceTypeName), "Mapping information must never be null"); 
 
            _type = clrType.TypeHandle;
            _cspaceTypeName = cspaceNamespaceName + "." + cspaceTypeName; 
            this.Abstract = clrType.IsAbstract;
        }
        internal static ClrComplexType CreateReadonlyClrComplexType(Type clrType, string cspaceNamespaceName, string cspaceTypeName)
        { 
            ClrComplexType type = new ClrComplexType(clrType, cspaceNamespaceName, cspaceTypeName);
            type.SetReadOnly(); 
 
            return type;
        } 

        /// cached dynamic method to construct a CLR instance
        internal Delegate Constructor
        { 
            get { return _constructor; }
            set 
            { 
                // It doesn't matter which delegate wins, but only one should be jitted
                Interlocked.CompareExchange(ref _constructor, value, null); 
            }
        }

        ///  
        /// 
        internal override System.Type ClrType 
        { 
            get { return Type.GetTypeFromHandle(_type); }
        } 

        internal string CSpaceTypeName { get { return _cspaceTypeName; } }
    }
} 

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

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