PrimitiveType.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

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

                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner       [....]
// @backupOwner [....] 
//--------------------------------------------------------------------- 
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       [....]
// @backupOwner [....] 
//--------------------------------------------------------------------- 
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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