87 lines
2.9 KiB
C#
87 lines
2.9 KiB
C#
//---------------------------------------------------------------------
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// <copyright file="PrimitiveSchema.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//
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// @owner Microsoft
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// @backupOwner Microsoft
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//---------------------------------------------------------------------
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namespace System.Data.EntityModel.SchemaObjectModel
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{
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using System.Collections.Generic;
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using System.Data.Common;
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using System.Data.Metadata.Edm;
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using System.Linq;
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using System.Xml;
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/// <summary>
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/// The virtual schema for primitive data types
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/// </summary>
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internal class PrimitiveSchema : Schema
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{
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public PrimitiveSchema(SchemaManager schemaManager)
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: base(schemaManager)
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{
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Schema = this;
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DbProviderManifest providerManifest = ProviderManifest;
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if (providerManifest == null)
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{
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AddError(new EdmSchemaError(System.Data.Entity.Strings.FailedToRetrieveProviderManifest,
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(int)ErrorCode.FailedToRetrieveProviderManifest,
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EdmSchemaErrorSeverity.Error));
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}
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else
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{
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IList<PrimitiveType> primitiveTypes = providerManifest.GetStoreTypes();
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// EDM Spatial types are only available to V3 and above CSDL.
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if (schemaManager.DataModel == SchemaDataModelOption.EntityDataModel &&
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schemaManager.SchemaVersion < XmlConstants.EdmVersionForV3)
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{
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primitiveTypes = primitiveTypes.Where(t => !Helper.IsSpatialType(t))
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.ToList();
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}
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foreach (PrimitiveType entry in primitiveTypes)
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{
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TryAddType(new ScalarType(this, entry.Name, entry), false /*doNotAddErrorForEmptyName*/);
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}
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}
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}
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/// <summary>
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/// Returns the alias that can be used for type in this
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/// Namespace instead of the entire namespace name
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/// </summary>
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internal override string Alias
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{
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get
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{
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return ProviderManifest.NamespaceName;
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}
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}
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/// <summary>
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/// Returns the TypeAuthority that is driving this schema
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/// </summary>
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internal override string Namespace
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{
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get
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{
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if (ProviderManifest != null)
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{
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return ProviderManifest.NamespaceName;
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}
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return string.Empty;
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}
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}
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protected override bool HandleAttribute(XmlReader reader)
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{
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// don't call the base, we don't have any attributes
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return false;
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}
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}
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}
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