Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntityDesign / Design / System / Data / EntityModel / Emitters / TypeReference.cs / 1305376 / TypeReference.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System; using System.CodeDom; using System.Collections; using System.Collections.Generic; using System.Data.EntityModel.SchemaObjectModel; using System.Data.Common.Utils; using System.Reflection; namespace System.Data.EntityModel.Emitters { ////// Summary description for TypeReferences. /// internal class TypeReference { #region Fields internal static readonly Type ComplexTypeBaseClassType = typeof(System.Data.Objects.DataClasses.ComplexObject); internal static readonly Type EntityTypeBaseClassType = typeof(System.Data.Objects.DataClasses.EntityObject); private const string IEntityWithRelationshipsTypeBaseClassName = "IEntityWithRelationships"; private const string NewContextClassName = "ObjectContext"; private const string EntitySetClassName = "EntitySet"; private const string ObjectResultClassName = "ObjectResult"; public const string FQMetaDataWorkspaceTypeName = "System.Data.Metadata.Edm.MetadataWorkspace"; private static CodeTypeReference _byteArray; private static CodeTypeReference _dateTime; private static CodeTypeReference _guid; private static CodeTypeReference _objectContext; private static CodeTypeReference _string; private readonly Memoizer_forTypeMemoizer; private readonly Memoizer _nullableForTypeMemoizer; private readonly Memoizer , CodeTypeReference> _fromStringMemoizer; private readonly Memoizer , CodeTypeReference> _fromStringGenericMemoizer; #endregion #region Constructors internal TypeReference() { _forTypeMemoizer = new Memoizer (ComputeForType, null); _fromStringMemoizer = new Memoizer , CodeTypeReference>(ComputeFromString, null); _nullableForTypeMemoizer = new Memoizer (ComputeNullableForType, null); _fromStringGenericMemoizer = new Memoizer , CodeTypeReference>(ComputeFromStringGeneric, null); } #endregion #region Public Methods /// /// Get TypeReference for a type represented by a Type object /// /// the type object ///the associated TypeReference object public CodeTypeReference ForType(Type type) { return _forTypeMemoizer.Evaluate(type); } private CodeTypeReference ComputeForType(Type type) { // we know that we can safely global:: qualify this because it was already // compiled before we are emitting or else we wouldn't have a Type object CodeTypeReference value = new CodeTypeReference(type, CodeTypeReferenceOptions.GlobalReference); return value; } ////// Get TypeReference for a type represented by a Generic Type object. /// We don't cache the TypeReference for generic type object since the type would be the same /// irresepective of the generic arguments. We could potentially cache it using both the type name /// and generic type arguments. /// /// the generic type object ///the associated TypeReference object public CodeTypeReference ForType(Type generic, CodeTypeReference argument) { // we know that we can safely global:: qualify this because it was already // compiled before we are emitting or else we wouldn't have a Type object CodeTypeReference typeRef = new CodeTypeReference(generic, CodeTypeReferenceOptions.GlobalReference); typeRef.TypeArguments.Add(argument); return typeRef; } ////// Get TypeReference for a type represented by a namespace quailifed string /// /// namespace qualified string ///the TypeReference public CodeTypeReference FromString(string type) { return FromString(type, false); } ////// Get TypeReference for a type represented by a namespace quailifed string, /// with optional global qualifier /// /// namespace qualified string /// indicates whether the global qualifier should be added ///the TypeReference public CodeTypeReference FromString(string type, bool addGlobalQualifier) { return _fromStringMemoizer.Evaluate(new KeyValuePair(type, addGlobalQualifier)); } private CodeTypeReference ComputeFromString(KeyValuePair arguments) { string type = arguments.Key; bool addGlobalQualifier = arguments.Value; CodeTypeReference value; if (addGlobalQualifier) { value = new CodeTypeReference(type, CodeTypeReferenceOptions.GlobalReference); } else { value = new CodeTypeReference(type); } return value; } /// /// Get TypeReference for a framework type /// /// unqualified name of the framework type ///the TypeReference public CodeTypeReference AdoFrameworkType(string name) { return FromString(Utils.FQAdoFrameworkName(name), true); } ////// Get TypeReference for a framework DataClasses type /// /// unqualified name of the framework DataClass type ///the TypeReference public CodeTypeReference AdoFrameworkDataClassesType(string name) { return FromString(Utils.FQAdoFrameworkDataClassesName(name), true); } ////// Get TypeReference for a framework Metadata Edm type /// /// unqualified name of the framework metadata edm type ///the TypeReference public CodeTypeReference AdoFrameworkMetadataEdmType(string name) { return FromString(Utils.FQAdoFrameworkMetadataEdmName(name), true); } ////// Get TypeReference for a framework Entity Client type /// /// unqualified name of the framework type ///the TypeReference public CodeTypeReference AdoEntityClientType(string name) { return FromString(Utils.FQAdoEntityClientName(name), true); } ////// Get TypeReference for a bound generic framework class /// /// the name of the generic framework class /// the type parameter for the framework class ///TypeReference for the bound framework class public CodeTypeReference AdoFrameworkGenericClass(string name, CodeTypeReference typeParameter) { return FrameworkGenericClass(Utils.AdoFrameworkNamespace, name, typeParameter); } ////// Get TypeReference for a bound generic framework data class /// /// the name of the generic framework data class /// the type parameter for the framework data class ///TypeReference for the bound framework data class public CodeTypeReference AdoFrameworkGenericDataClass(string name, CodeTypeReference typeParameter) { return FrameworkGenericClass(Utils.AdoFrameworkDataClassesNamespace, name, typeParameter); } ////// Get TypeReference for a bound generic framework class /// /// the namespace of the generic framework class /// the name of the generic framework class /// the type parameter for the framework class ///TypeReference for the bound framework class private CodeTypeReference FrameworkGenericClass(string namespaceName, string name, CodeTypeReference typeParameter) { return _fromStringGenericMemoizer.Evaluate(new KeyValuePair(namespaceName + "." + name, typeParameter)); } private CodeTypeReference ComputeFromStringGeneric(KeyValuePair arguments) { string name = arguments.Key; CodeTypeReference typeParameter = arguments.Value; CodeTypeReference typeRef = ComputeFromString(new KeyValuePair (name, true)); typeRef.TypeArguments.Add(typeParameter); return typeRef; } /// /// Get TypeReference for a bound Nullable<T> /// /// Type of the Nullable<T> type parameter ///TypeReference for a bound Nullable<T> public CodeTypeReference NullableForType(Type innerType) { return _nullableForTypeMemoizer.Evaluate(innerType); } private CodeTypeReference ComputeNullableForType(Type innerType) { // can't use FromString because it will return the same Generic type reference // but it will already have a previous type parameter (because of caching) CodeTypeReference typeRef = new CodeTypeReference(typeof(System.Nullable<>), CodeTypeReferenceOptions.GlobalReference); typeRef.TypeArguments.Add(ForType(innerType)); return typeRef; } ////// Gets an ObjectResult of elementType CodeTypeReference. /// public CodeTypeReference ObjectResult(CodeTypeReference elementType) { return AdoFrameworkGenericClass(ObjectResultClassName, elementType); } #endregion #region Public Properties ////// Gets a CodeTypeReference to the System.Byte[] type. /// ///public CodeTypeReference ByteArray { get { if (_byteArray == null) _byteArray = ForType(typeof(byte[])); return _byteArray; } } /// /// Gets a CodeTypeReference object for the System.DateTime type. /// public CodeTypeReference DateTime { get { if (_dateTime == null) _dateTime = ForType(typeof(System.DateTime)); return _dateTime; } } ////// Gets a CodeTypeReference object for the System.Guid type. /// public CodeTypeReference Guid { get { if (_guid == null) _guid = ForType(typeof(System.Guid)); return _guid; } } ////// TypeReference for the Framework's ObjectContext class /// public CodeTypeReference ObjectContext { get { if (_objectContext == null) _objectContext = AdoFrameworkType(NewContextClassName); return _objectContext; } } ////// TypeReference for the Framework base class to types that can used in InlineObjectCollection /// public CodeTypeReference ComplexTypeBaseClass { get { return ForType(ComplexTypeBaseClassType); } } ////// TypeReference for the Framework base class for EntityTypes /// public CodeTypeReference EntityTypeBaseClass { get { return ForType(EntityTypeBaseClassType); } } ////// TypeReference for the Framework base class for IEntityWithRelationships /// public CodeTypeReference IEntityWithRelationshipsTypeBaseClass { get { return AdoFrameworkDataClassesType(IEntityWithRelationshipsTypeBaseClassName); } } ////// Gets a CodeTypeReference object for the System.String type. /// public CodeTypeReference String { get { if (_string == null) _string = ForType(typeof(string)); return _string; } } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System; using System.CodeDom; using System.Collections; using System.Collections.Generic; using System.Data.EntityModel.SchemaObjectModel; using System.Data.Common.Utils; using System.Reflection; namespace System.Data.EntityModel.Emitters { ////// Summary description for TypeReferences. /// internal class TypeReference { #region Fields internal static readonly Type ComplexTypeBaseClassType = typeof(System.Data.Objects.DataClasses.ComplexObject); internal static readonly Type EntityTypeBaseClassType = typeof(System.Data.Objects.DataClasses.EntityObject); private const string IEntityWithRelationshipsTypeBaseClassName = "IEntityWithRelationships"; private const string NewContextClassName = "ObjectContext"; private const string EntitySetClassName = "EntitySet"; private const string ObjectResultClassName = "ObjectResult"; public const string FQMetaDataWorkspaceTypeName = "System.Data.Metadata.Edm.MetadataWorkspace"; private static CodeTypeReference _byteArray; private static CodeTypeReference _dateTime; private static CodeTypeReference _guid; private static CodeTypeReference _objectContext; private static CodeTypeReference _string; private readonly Memoizer_forTypeMemoizer; private readonly Memoizer _nullableForTypeMemoizer; private readonly Memoizer , CodeTypeReference> _fromStringMemoizer; private readonly Memoizer , CodeTypeReference> _fromStringGenericMemoizer; #endregion #region Constructors internal TypeReference() { _forTypeMemoizer = new Memoizer (ComputeForType, null); _fromStringMemoizer = new Memoizer , CodeTypeReference>(ComputeFromString, null); _nullableForTypeMemoizer = new Memoizer (ComputeNullableForType, null); _fromStringGenericMemoizer = new Memoizer , CodeTypeReference>(ComputeFromStringGeneric, null); } #endregion #region Public Methods /// /// Get TypeReference for a type represented by a Type object /// /// the type object ///the associated TypeReference object public CodeTypeReference ForType(Type type) { return _forTypeMemoizer.Evaluate(type); } private CodeTypeReference ComputeForType(Type type) { // we know that we can safely global:: qualify this because it was already // compiled before we are emitting or else we wouldn't have a Type object CodeTypeReference value = new CodeTypeReference(type, CodeTypeReferenceOptions.GlobalReference); return value; } ////// Get TypeReference for a type represented by a Generic Type object. /// We don't cache the TypeReference for generic type object since the type would be the same /// irresepective of the generic arguments. We could potentially cache it using both the type name /// and generic type arguments. /// /// the generic type object ///the associated TypeReference object public CodeTypeReference ForType(Type generic, CodeTypeReference argument) { // we know that we can safely global:: qualify this because it was already // compiled before we are emitting or else we wouldn't have a Type object CodeTypeReference typeRef = new CodeTypeReference(generic, CodeTypeReferenceOptions.GlobalReference); typeRef.TypeArguments.Add(argument); return typeRef; } ////// Get TypeReference for a type represented by a namespace quailifed string /// /// namespace qualified string ///the TypeReference public CodeTypeReference FromString(string type) { return FromString(type, false); } ////// Get TypeReference for a type represented by a namespace quailifed string, /// with optional global qualifier /// /// namespace qualified string /// indicates whether the global qualifier should be added ///the TypeReference public CodeTypeReference FromString(string type, bool addGlobalQualifier) { return _fromStringMemoizer.Evaluate(new KeyValuePair(type, addGlobalQualifier)); } private CodeTypeReference ComputeFromString(KeyValuePair arguments) { string type = arguments.Key; bool addGlobalQualifier = arguments.Value; CodeTypeReference value; if (addGlobalQualifier) { value = new CodeTypeReference(type, CodeTypeReferenceOptions.GlobalReference); } else { value = new CodeTypeReference(type); } return value; } /// /// Get TypeReference for a framework type /// /// unqualified name of the framework type ///the TypeReference public CodeTypeReference AdoFrameworkType(string name) { return FromString(Utils.FQAdoFrameworkName(name), true); } ////// Get TypeReference for a framework DataClasses type /// /// unqualified name of the framework DataClass type ///the TypeReference public CodeTypeReference AdoFrameworkDataClassesType(string name) { return FromString(Utils.FQAdoFrameworkDataClassesName(name), true); } ////// Get TypeReference for a framework Metadata Edm type /// /// unqualified name of the framework metadata edm type ///the TypeReference public CodeTypeReference AdoFrameworkMetadataEdmType(string name) { return FromString(Utils.FQAdoFrameworkMetadataEdmName(name), true); } ////// Get TypeReference for a framework Entity Client type /// /// unqualified name of the framework type ///the TypeReference public CodeTypeReference AdoEntityClientType(string name) { return FromString(Utils.FQAdoEntityClientName(name), true); } ////// Get TypeReference for a bound generic framework class /// /// the name of the generic framework class /// the type parameter for the framework class ///TypeReference for the bound framework class public CodeTypeReference AdoFrameworkGenericClass(string name, CodeTypeReference typeParameter) { return FrameworkGenericClass(Utils.AdoFrameworkNamespace, name, typeParameter); } ////// Get TypeReference for a bound generic framework data class /// /// the name of the generic framework data class /// the type parameter for the framework data class ///TypeReference for the bound framework data class public CodeTypeReference AdoFrameworkGenericDataClass(string name, CodeTypeReference typeParameter) { return FrameworkGenericClass(Utils.AdoFrameworkDataClassesNamespace, name, typeParameter); } ////// Get TypeReference for a bound generic framework class /// /// the namespace of the generic framework class /// the name of the generic framework class /// the type parameter for the framework class ///TypeReference for the bound framework class private CodeTypeReference FrameworkGenericClass(string namespaceName, string name, CodeTypeReference typeParameter) { return _fromStringGenericMemoizer.Evaluate(new KeyValuePair(namespaceName + "." + name, typeParameter)); } private CodeTypeReference ComputeFromStringGeneric(KeyValuePair arguments) { string name = arguments.Key; CodeTypeReference typeParameter = arguments.Value; CodeTypeReference typeRef = ComputeFromString(new KeyValuePair (name, true)); typeRef.TypeArguments.Add(typeParameter); return typeRef; } /// /// Get TypeReference for a bound Nullable<T> /// /// Type of the Nullable<T> type parameter ///TypeReference for a bound Nullable<T> public CodeTypeReference NullableForType(Type innerType) { return _nullableForTypeMemoizer.Evaluate(innerType); } private CodeTypeReference ComputeNullableForType(Type innerType) { // can't use FromString because it will return the same Generic type reference // but it will already have a previous type parameter (because of caching) CodeTypeReference typeRef = new CodeTypeReference(typeof(System.Nullable<>), CodeTypeReferenceOptions.GlobalReference); typeRef.TypeArguments.Add(ForType(innerType)); return typeRef; } ////// Gets an ObjectResult of elementType CodeTypeReference. /// public CodeTypeReference ObjectResult(CodeTypeReference elementType) { return AdoFrameworkGenericClass(ObjectResultClassName, elementType); } #endregion #region Public Properties ////// Gets a CodeTypeReference to the System.Byte[] type. /// ///public CodeTypeReference ByteArray { get { if (_byteArray == null) _byteArray = ForType(typeof(byte[])); return _byteArray; } } /// /// Gets a CodeTypeReference object for the System.DateTime type. /// public CodeTypeReference DateTime { get { if (_dateTime == null) _dateTime = ForType(typeof(System.DateTime)); return _dateTime; } } ////// Gets a CodeTypeReference object for the System.Guid type. /// public CodeTypeReference Guid { get { if (_guid == null) _guid = ForType(typeof(System.Guid)); return _guid; } } ////// TypeReference for the Framework's ObjectContext class /// public CodeTypeReference ObjectContext { get { if (_objectContext == null) _objectContext = AdoFrameworkType(NewContextClassName); return _objectContext; } } ////// TypeReference for the Framework base class to types that can used in InlineObjectCollection /// public CodeTypeReference ComplexTypeBaseClass { get { return ForType(ComplexTypeBaseClassType); } } ////// TypeReference for the Framework base class for EntityTypes /// public CodeTypeReference EntityTypeBaseClass { get { return ForType(EntityTypeBaseClassType); } } ////// TypeReference for the Framework base class for IEntityWithRelationships /// public CodeTypeReference IEntityWithRelationshipsTypeBaseClass { get { return AdoFrameworkDataClassesType(IEntityWithRelationshipsTypeBaseClassName); } } ////// Gets a CodeTypeReference object for the System.String type. /// public CodeTypeReference String { get { if (_string == null) _string = ForType(typeof(string)); return _string; } } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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