PrimitiveType.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 / PrimitiveType.cs / 3 / PrimitiveType.cs
                        
                        
                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....], [....]
//--------------------------------------------------------------------- 
using System.Collections.Generic; 
using System.Collections.ObjectModel;
using System.Data.Common; 
using System.Data.Common.Utils;
using System.Diagnostics;
using System.Linq;
 
namespace System.Data.Metadata.Edm
{ 
    ///  
    /// Class representing a primitive type
    ///  
    public sealed class PrimitiveType : SimpleType
    {
        #region constructors
        ///  
        /// Initializes a new instance of PrimitiveType
        ///  
        internal PrimitiveType() 
        {
            // No initialization of item attributes in here, it's used as a pass thru in the case for delay population 
            // of item attributes
        }

        ///  
        /// The constructor for PrimitiveType.  It takes the required information to identify this type.
        ///  
        /// The name of this type 
        /// The namespace name of this type
        /// The version of this type 
        /// dataSpace in which this primitive type belongs to
        /// The primitive type that this type is derived from
        /// The ProviderManifest of the provider of this type
        /// Thrown if name, namespaceName, version, baseType or providerManifest arguments are null 
        internal PrimitiveType(string name,
                             string namespaceName, 
                             DataSpace dataSpace, 
                             PrimitiveType baseType,
                             DbProviderManifest providerManifest) 
            : base(name, namespaceName, dataSpace)
        {
            EntityUtil.GenericCheckArgumentNull(baseType, "baseType");
            EntityUtil.GenericCheckArgumentNull(providerManifest, "providerManifest"); 

            this.BaseType = baseType; 
 
            Initialize(this, baseType.PrimitiveTypeKind,
                false, // isDefault 
                providerManifest);
        }

        ///  
        /// The constructor for PrimitiveType, it takes in a CLR type containing the identity information
        ///  
        /// The CLR type object for this primitive type 
        /// The base type for this primitive type
        /// The ProviderManifest of the provider of this type 
        internal PrimitiveType(Type clrType,
                               PrimitiveType baseType,
                               DbProviderManifest providerManifest)
            : this(EntityUtil.GenericCheckArgumentNull(clrType, "clrType").Name, clrType.Namespace, 
            DataSpace.OSpace, baseType, providerManifest)
        { 
            Debug.Assert(clrType == ClrEquivalentType, "not equivalent to ClrEquivalentType"); 
        }
        #endregion 

        #region Fields
        private PrimitiveTypeKind _primitiveTypeKind;
        private DbProviderManifest _providerManifest; 
        #endregion
 
 
        #region Properties
        ///  
        /// Returns the kind of the type
        /// 
        public override BuiltInTypeKind BuiltInTypeKind { get { return BuiltInTypeKind.PrimitiveType; } }
 
        /// 
        ///  
        internal override System.Type ClrType 
        {
            get { return ClrEquivalentType; } 
        }

        /// 
        /// Returns the PrimitiveTypeKind enumeration value indicating what kind of primitive type this is 
        /// 
        /// A PrimitiveTypeKind value 
        [MetadataProperty(BuiltInTypeKind.PrimitiveTypeKind, false)] 
        public PrimitiveTypeKind PrimitiveTypeKind
        { 
            get
            {
                return _primitiveTypeKind;
            } 
            internal set
            { 
                _primitiveTypeKind = value; 
            }
        } 

        /// 
        /// Returns the ProviderManifest giving access to the Manifest that this type came from
        ///  
        /// The types ProviderManifest value
        internal DbProviderManifest ProviderManifest 
        { 
            get
            { 
                Debug.Assert(_providerManifest != null, "This primitive type should have been added to a manifest, which should have set this");
                return _providerManifest;
            }
            set 
            {
                Debug.Assert(value != null, "This primitive type should have been added to a manifest, which should have set this"); 
                _providerManifest = value; 
            }
        } 

        /// 
        /// Gets the FacetDescriptions for this type
        ///  
        /// The FacetDescritions for this type.
        public System.Collections.ObjectModel.ReadOnlyCollection FacetDescriptions 
        { 
            get
            { 
                return ProviderManifest.GetFacetDescriptions(this);
            }
        }
 
        /// 
        /// Returns an equivalent CLR type representing this primitive type 
        ///  
        public Type ClrEquivalentType
        { 
            get
            {
                switch (PrimitiveTypeKind)
                { 
                case PrimitiveTypeKind.Binary:
                    return typeof(byte[]); 
                case PrimitiveTypeKind.Boolean: 
                    return typeof(bool);
                case PrimitiveTypeKind.Byte: 
                    return typeof(byte);
                case PrimitiveTypeKind.DateTime:
                    return typeof(DateTime);
                case PrimitiveTypeKind.Time: 
                    return typeof(TimeSpan);
                case PrimitiveTypeKind.DateTimeOffset: 
                    return typeof(DateTimeOffset); 
                case PrimitiveTypeKind.Decimal:
                    return typeof(decimal); 
                case PrimitiveTypeKind.Double:
                    return typeof(double);
                case PrimitiveTypeKind.Guid:
                    return typeof(Guid); 
                case PrimitiveTypeKind.Single:
                    return typeof(Single); 
                case PrimitiveTypeKind.SByte: 
                    return typeof(sbyte);
                case PrimitiveTypeKind.Int16: 
                    return typeof(short);
                case PrimitiveTypeKind.Int32:
                    return typeof(int);
                case PrimitiveTypeKind.Int64: 
                    return typeof(long);
                case PrimitiveTypeKind.String: 
                    return typeof(string); 
                }
 
                return null;
            }
        }
        #endregion 

        #region Methods 
        internal override IEnumerable GetAssociatedFacetDescriptions() 
        {
            // return all general facets and facets associated with this type 
            return base.GetAssociatedFacetDescriptions().Concat(this.FacetDescriptions);
        }

        ///  
        /// Perform initialization that's common across all constructors
        ///  
        /// The primitive type to initialize 
        /// The primitive type kind of this primitive type
        /// When true this is the default type to return when a type is asked for by PrimitiveTypeKind 
        /// The ProviderManifest of the provider of this type
        internal static void Initialize(PrimitiveType primitiveType,
                                                      PrimitiveTypeKind primitiveTypeKind,
                                                      bool isDefaultType, 
                                                      DbProviderManifest providerManifest)
        { 
            primitiveType._primitiveTypeKind = primitiveTypeKind; 
            primitiveType._providerManifest = providerManifest;
        } 

        /// 
        /// return the model equivalent type for this type,
        /// for example if this instance is nvarchar and it's 
        /// base type is Edm String then the return type is Edm String.
        /// If the type is actually already a model type then the 
        /// return type is "this". 
        /// 
        ///  
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Edm")]
        public EdmType GetEdmPrimitiveType()
        {
            return MetadataItem.EdmProviderManifest.GetPrimitiveType(PrimitiveTypeKind); 
        }
 
        ///  
        /// Returns the list of EDM primitive types
        ///  
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Edm")]
        public static System.Collections.ObjectModel.ReadOnlyCollection GetEdmPrimitiveTypes()
        {
            return EdmProviderManifest.GetStoreTypes(); 
        }
 
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Edm")] 
        public static PrimitiveType GetEdmPrimitiveType(PrimitiveTypeKind primitiveTypeKind)
        { 
            return MetadataItem.EdmProviderManifest.GetPrimitiveType(primitiveTypeKind);
        }
        #endregion
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....], [....]
//--------------------------------------------------------------------- 
using System.Collections.Generic; 
using System.Collections.ObjectModel;
using System.Data.Common; 
using System.Data.Common.Utils;
using System.Diagnostics;
using System.Linq;
 
namespace System.Data.Metadata.Edm
{ 
    ///  
    /// Class representing a primitive type
    ///  
    public sealed class PrimitiveType : SimpleType
    {
        #region constructors
        ///  
        /// Initializes a new instance of PrimitiveType
        ///  
        internal PrimitiveType() 
        {
            // No initialization of item attributes in here, it's used as a pass thru in the case for delay population 
            // of item attributes
        }

        ///  
        /// The constructor for PrimitiveType.  It takes the required information to identify this type.
        ///  
        /// The name of this type 
        /// The namespace name of this type
        /// The version of this type 
        /// dataSpace in which this primitive type belongs to
        /// The primitive type that this type is derived from
        /// The ProviderManifest of the provider of this type
        /// Thrown if name, namespaceName, version, baseType or providerManifest arguments are null 
        internal PrimitiveType(string name,
                             string namespaceName, 
                             DataSpace dataSpace, 
                             PrimitiveType baseType,
                             DbProviderManifest providerManifest) 
            : base(name, namespaceName, dataSpace)
        {
            EntityUtil.GenericCheckArgumentNull(baseType, "baseType");
            EntityUtil.GenericCheckArgumentNull(providerManifest, "providerManifest"); 

            this.BaseType = baseType; 
 
            Initialize(this, baseType.PrimitiveTypeKind,
                false, // isDefault 
                providerManifest);
        }

        ///  
        /// The constructor for PrimitiveType, it takes in a CLR type containing the identity information
        ///  
        /// The CLR type object for this primitive type 
        /// The base type for this primitive type
        /// The ProviderManifest of the provider of this type 
        internal PrimitiveType(Type clrType,
                               PrimitiveType baseType,
                               DbProviderManifest providerManifest)
            : this(EntityUtil.GenericCheckArgumentNull(clrType, "clrType").Name, clrType.Namespace, 
            DataSpace.OSpace, baseType, providerManifest)
        { 
            Debug.Assert(clrType == ClrEquivalentType, "not equivalent to ClrEquivalentType"); 
        }
        #endregion 

        #region Fields
        private PrimitiveTypeKind _primitiveTypeKind;
        private DbProviderManifest _providerManifest; 
        #endregion
 
 
        #region Properties
        ///  
        /// Returns the kind of the type
        /// 
        public override BuiltInTypeKind BuiltInTypeKind { get { return BuiltInTypeKind.PrimitiveType; } }
 
        /// 
        ///  
        internal override System.Type ClrType 
        {
            get { return ClrEquivalentType; } 
        }

        /// 
        /// Returns the PrimitiveTypeKind enumeration value indicating what kind of primitive type this is 
        /// 
        /// A PrimitiveTypeKind value 
        [MetadataProperty(BuiltInTypeKind.PrimitiveTypeKind, false)] 
        public PrimitiveTypeKind PrimitiveTypeKind
        { 
            get
            {
                return _primitiveTypeKind;
            } 
            internal set
            { 
                _primitiveTypeKind = value; 
            }
        } 

        /// 
        /// Returns the ProviderManifest giving access to the Manifest that this type came from
        ///  
        /// The types ProviderManifest value
        internal DbProviderManifest ProviderManifest 
        { 
            get
            { 
                Debug.Assert(_providerManifest != null, "This primitive type should have been added to a manifest, which should have set this");
                return _providerManifest;
            }
            set 
            {
                Debug.Assert(value != null, "This primitive type should have been added to a manifest, which should have set this"); 
                _providerManifest = value; 
            }
        } 

        /// 
        /// Gets the FacetDescriptions for this type
        ///  
        /// The FacetDescritions for this type.
        public System.Collections.ObjectModel.ReadOnlyCollection FacetDescriptions 
        { 
            get
            { 
                return ProviderManifest.GetFacetDescriptions(this);
            }
        }
 
        /// 
        /// Returns an equivalent CLR type representing this primitive type 
        ///  
        public Type ClrEquivalentType
        { 
            get
            {
                switch (PrimitiveTypeKind)
                { 
                case PrimitiveTypeKind.Binary:
                    return typeof(byte[]); 
                case PrimitiveTypeKind.Boolean: 
                    return typeof(bool);
                case PrimitiveTypeKind.Byte: 
                    return typeof(byte);
                case PrimitiveTypeKind.DateTime:
                    return typeof(DateTime);
                case PrimitiveTypeKind.Time: 
                    return typeof(TimeSpan);
                case PrimitiveTypeKind.DateTimeOffset: 
                    return typeof(DateTimeOffset); 
                case PrimitiveTypeKind.Decimal:
                    return typeof(decimal); 
                case PrimitiveTypeKind.Double:
                    return typeof(double);
                case PrimitiveTypeKind.Guid:
                    return typeof(Guid); 
                case PrimitiveTypeKind.Single:
                    return typeof(Single); 
                case PrimitiveTypeKind.SByte: 
                    return typeof(sbyte);
                case PrimitiveTypeKind.Int16: 
                    return typeof(short);
                case PrimitiveTypeKind.Int32:
                    return typeof(int);
                case PrimitiveTypeKind.Int64: 
                    return typeof(long);
                case PrimitiveTypeKind.String: 
                    return typeof(string); 
                }
 
                return null;
            }
        }
        #endregion 

        #region Methods 
        internal override IEnumerable GetAssociatedFacetDescriptions() 
        {
            // return all general facets and facets associated with this type 
            return base.GetAssociatedFacetDescriptions().Concat(this.FacetDescriptions);
        }

        ///  
        /// Perform initialization that's common across all constructors
        ///  
        /// The primitive type to initialize 
        /// The primitive type kind of this primitive type
        /// When true this is the default type to return when a type is asked for by PrimitiveTypeKind 
        /// The ProviderManifest of the provider of this type
        internal static void Initialize(PrimitiveType primitiveType,
                                                      PrimitiveTypeKind primitiveTypeKind,
                                                      bool isDefaultType, 
                                                      DbProviderManifest providerManifest)
        { 
            primitiveType._primitiveTypeKind = primitiveTypeKind; 
            primitiveType._providerManifest = providerManifest;
        } 

        /// 
        /// return the model equivalent type for this type,
        /// for example if this instance is nvarchar and it's 
        /// base type is Edm String then the return type is Edm String.
        /// If the type is actually already a model type then the 
        /// return type is "this". 
        /// 
        ///  
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Edm")]
        public EdmType GetEdmPrimitiveType()
        {
            return MetadataItem.EdmProviderManifest.GetPrimitiveType(PrimitiveTypeKind); 
        }
 
        ///  
        /// Returns the list of EDM primitive types
        ///  
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Edm")]
        public static System.Collections.ObjectModel.ReadOnlyCollection GetEdmPrimitiveTypes()
        {
            return EdmProviderManifest.GetStoreTypes(); 
        }
 
        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Edm")] 
        public static PrimitiveType GetEdmPrimitiveType(PrimitiveTypeKind primitiveTypeKind)
        { 
            return MetadataItem.EdmProviderManifest.GetPrimitiveType(primitiveTypeKind);
        }
        #endregion
    } 
}

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

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