Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataEntity / System / Data / Common / DbXmlEnabledProviderManifest.cs / 1305376 / DbXmlEnabledProviderManifest.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] //--------------------------------------------------------------------- using System.Data.Common; using System.Diagnostics; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Xml; using System.Data.EntityModel.SchemaObjectModel; using System.Data.EntityModel; using System.Data.Entity; using System.Data.Metadata.Edm; namespace System.Data.Common { ////// A specialization of the ProviderManifest that accepts an XmlReader /// [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "Db")] public abstract class DbXmlEnabledProviderManifest : DbProviderManifest { private string _namespaceName; private System.Collections.ObjectModel.ReadOnlyCollection_primitiveTypes; private Dictionary > _facetDescriptions = new Dictionary >(); private System.Collections.ObjectModel.ReadOnlyCollection _functions; private Dictionary _storeTypeNameToEdmPrimitiveType = new Dictionary (); private Dictionary _storeTypeNameToStorePrimitiveType = new Dictionary (); protected DbXmlEnabledProviderManifest(XmlReader reader) { if (reader == null) { throw EntityUtil.ProviderIncompatible(Strings.IncorrectProviderManifest, new ArgumentNullException("reader")); } Load(reader); } #region Protected Properties For Fields public override string NamespaceName { get { return this._namespaceName; } } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Edm")] protected Dictionary StoreTypeNameToEdmPrimitiveType { get { return this._storeTypeNameToEdmPrimitiveType; } } protected Dictionary StoreTypeNameToStorePrimitiveType { get { return this._storeTypeNameToStorePrimitiveType; } } #endregion /// /// Returns all the FacetDescriptions for a particular type /// /// the type to return FacetDescriptions for. ///The FacetDescriptions for the type given. public override System.Collections.ObjectModel.ReadOnlyCollectionGetFacetDescriptions(EdmType type) { Debug.Assert(type is PrimitiveType, "DbXmlEnabledProviderManifest.GetFacetDescriptions(): Argument is not a PrimitiveType"); return GetReadOnlyCollection(type as PrimitiveType, _facetDescriptions, Helper.EmptyFacetDescriptionEnumerable); } public override System.Collections.ObjectModel.ReadOnlyCollection GetStoreTypes() { return _primitiveTypes; } /// /// Returns all the edm functions supported by the provider manifest. /// ///A collection of edm functions. public override System.Collections.ObjectModel.ReadOnlyCollectionGetStoreFunctions() { return _functions; } [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Globalization", "CA1308:NormalizeStringsToUppercase")] private void Load(XmlReader reader) { Schema schema; IList errors = SchemaManager.LoadProviderManifest(reader, reader.BaseURI.Length > 0 ? reader.BaseURI : null, true /*checkForSystemNamespace*/, out schema); if (errors.Count != 0) { throw EntityUtil.ProviderIncompatible(Strings.IncorrectProviderManifest + Helper.CombineErrorMessage(errors)); } _namespaceName = schema.Namespace; List listOfPrimitiveTypes = new List (); foreach (System.Data.EntityModel.SchemaObjectModel.SchemaType schemaType in schema.SchemaTypes) { TypeElement typeElement = schemaType as TypeElement; if (typeElement != null) { PrimitiveType type = typeElement.PrimitiveType; type.ProviderManifest = this; type.DataSpace = DataSpace.SSpace; type.SetReadOnly(); listOfPrimitiveTypes.Add(type); _storeTypeNameToStorePrimitiveType.Add(type.Name.ToLowerInvariant(), type); _storeTypeNameToEdmPrimitiveType.Add(type.Name.ToLowerInvariant(), EdmProviderManifest.Instance.GetPrimitiveType(type.PrimitiveTypeKind)); System.Collections.ObjectModel.ReadOnlyCollection descriptions; if (EnumerableToReadOnlyCollection(typeElement.FacetDescriptions, out descriptions)) { _facetDescriptions.Add(type, descriptions); } } } this._primitiveTypes = Array.AsReadOnly(listOfPrimitiveTypes.ToArray()); // load the functions ItemCollection collection = new EmptyItemCollection(); IEnumerable items = Converter.ConvertSchema(schema, this, collection); if (!EnumerableToReadOnlyCollection (items, out this._functions)) { this._functions = Helper.EmptyEdmFunctionReadOnlyCollection; } //SetReadOnly on all the Functions foreach (EdmFunction function in this._functions) { function.SetReadOnly(); } } private static System.Collections.ObjectModel.ReadOnlyCollection GetReadOnlyCollection (PrimitiveType type, Dictionary > typeDictionary, System.Collections.ObjectModel.ReadOnlyCollection useIfEmpty) { System.Collections.ObjectModel.ReadOnlyCollection collection; if (typeDictionary.TryGetValue(type, out collection)) { return collection; } else { return useIfEmpty; } } private static bool EnumerableToReadOnlyCollection (IEnumerable enumerable, out System.Collections.ObjectModel.ReadOnlyCollection collection) where Target : BaseType { List list = new List (); foreach (BaseType item in enumerable) { if (typeof(Target) == typeof(BaseType) || item is Target) { list.Add((Target)item); } } if (list.Count != 0) { collection = list.AsReadOnly(); return true; } collection = null; return false; } private class EmptyItemCollection : ItemCollection { public EmptyItemCollection() : base(DataSpace.SSpace) { } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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