<#@ template language="C#" debug="false" hostspecific="true"#> <#@ include file="EF.Utility.CS.ttinclude"#> <#@ assembly name="$(DevEnvDir)Microsoft.Data.Entity.Design.DatabaseGeneration.dll"#> <#@ assembly name="$(SolutionDir)\packages\EntityFramework.6.1.3\lib\net40\EntityFramework.dll"#> <#@ import namespace="Microsoft.Data.Entity.Design.DatabaseGeneration" #> <#@ import namespace="System.Text"#> <#@ output extension=".cs"#><# CodeGenerationTools code = new CodeGenerationTools(this); CodeRegion region = new CodeRegion(this, 1); MetadataTools ef = new MetadataTools(this); string inputFile = @"EMISContext.edmx"; var loadResult = LoadMetadata(inputFile); EdmItemCollection itemCollection = loadResult.EdmItems; var propertyToColumnMapping = loadResult.PropertyToColumnMapping; var manyToManyMappings = loadResult.ManyToManyMappings; var tphMappings = loadResult.TphMappings; string namespaceName = code.VsNamespaceSuggestion(); EntityFrameworkTemplateFileManager fileManager = EntityFrameworkTemplateFileManager.Create(this); WriteHeader(fileManager);#> using System.Collections.Generic; namespace EMIS.Entities { public class TableKeyDictionary { private static Dictionary items; public static Dictionary Items { get { return items; } } static TableKeyDictionary() { items = new Dictionary(); <#foreach (EntityType entity in itemCollection.GetItems().OrderBy(e => e.Name)) { string hasKey; hasKey = string.Format("items.Add(\"{0}\", \"{1}\");", entity.Name, entity.KeyMembers[0].Name);#> <#=hasKey#> <#} #> } public static string GetKeyName(TEntity entity) { string tableName = entity.GetType().Name; return items[tableName]; } public static string GetKeyName() { string tableName = typeof(TEntity).Name; return items[tableName]; } } } <#+ string GetResourceString(string resourceName) { if(_resourceManager2 == null) { _resourceManager2 = new System.Resources.ResourceManager("System.Data.Entity.Design", typeof(System.Data.Entity.Design.MetadataItemCollectionFactory).Assembly); } return _resourceManager2.GetString(resourceName, null); } System.Resources.ResourceManager _resourceManager2; void WriteHeader(EntityFrameworkTemplateFileManager fileManager) { fileManager.StartHeader(); #> //------------------------------------------------------------------------------ // // This code was generated from a template. // // Manual changes to this file may cause unexpected behavior in your application. // Manual changes to this file will be overwritten if the code is regenerated. // //------------------------------------------------------------------------------ <#+ fileManager.EndBlock(); } void BeginNamespace(string namespaceName, CodeGenerationTools code) { CodeRegion region = new CodeRegion(this); if (!String.IsNullOrEmpty(namespaceName)) { #> namespace <#=code.EscapeNamespace(namespaceName)#> { <#+ PushIndent(CodeRegion.GetIndent(1)); } } void EndNamespace(string namespaceName) { if (!String.IsNullOrEmpty(namespaceName)) { PopIndent(); #> } <#+ } } string ToTable(EntitySet entitySet) { var toTable = entitySet.Name; string schema = entitySet.GetSchemaName(); if(!string.IsNullOrWhiteSpace(schema) && schema != "dbo") toTable += "\", \"" + schema; return toTable; } bool VerifyTypesAreCaseInsensitiveUnique(EdmItemCollection itemCollection) { var alreadySeen = new Dictionary(StringComparer.OrdinalIgnoreCase); foreach(var type in itemCollection.GetItems()) { if (!(type is EntityType || type is ComplexType)) { continue; } if (alreadySeen.ContainsKey(type.FullName)) { Error(String.Format(CultureInfo.CurrentCulture, "This template does not support types that differ only by case, the types {0} are not supported", type.FullName)); return false; } else { alreadySeen.Add(type.FullName, true); } } return true; } string GetGenerationOption(EdmProperty property, EntityType entity) { string result = ""; bool isPk = entity.KeyMembers.Contains(property); MetadataProperty storeGeneratedPatternProperty = null; string storeGeneratedPatternPropertyValue = "None"; if(property.MetadataProperties.TryGetValue(MetadataConsts.EDM_ANNOTATION_09_02 + ":StoreGeneratedPattern", false, out storeGeneratedPatternProperty)) storeGeneratedPatternPropertyValue = storeGeneratedPatternProperty.Value.ToString(); PrimitiveType edmType = (PrimitiveType) property.TypeUsage.EdmType; if (storeGeneratedPatternPropertyValue == "Computed") { result = ".HasDatabaseGeneratedOption(DatabaseGeneratedOption.Computed)"; } else if ((edmType.ClrEquivalentType == typeof(int)) || (edmType.ClrEquivalentType == typeof(short)) || (edmType.ClrEquivalentType == typeof(long))) { if (isPk && (storeGeneratedPatternPropertyValue != "Identity")) result = ".HasDatabaseGeneratedOption(DatabaseGeneratedOption.None)"; else if ((!isPk || (entity.KeyMembers.Count > 1)) && (storeGeneratedPatternPropertyValue == "Identity")) result = ".HasDatabaseGeneratedOption(DatabaseGeneratedOption.Identity)"; } return result; } MetadataLoadResult LoadMetadata(string inputFile) { var loader = new MetadataLoader(this); bool loaded = false; EdmItemCollection edmItemCollection = loader.CreateEdmItemCollection(inputFile); StoreItemCollection storeItemCollection = null; if (loader.TryCreateStoreItemCollection(inputFile, out storeItemCollection)) { StorageMappingItemCollection storageMappingItemCollection; if (loader.TryCreateStorageMappingItemCollection(inputFile, edmItemCollection, storeItemCollection, out storageMappingItemCollection)) loaded = true; } if(loaded == false) throw new Exception("Cannot load a metadata from the file " + inputFile); var mappingMetadata = LoadMappingMetadata(inputFile); var mappingNode = mappingMetadata.Item1; var nsmgr = mappingMetadata.Item2; var allEntitySets = storeItemCollection.GetAllEntitySets(); return new MetadataLoadResult { EdmItems = edmItemCollection, PropertyToColumnMapping = BuildEntityMappings(mappingNode, nsmgr, edmItemCollection.GetItems(), edmItemCollection.GetAllEntitySets(), allEntitySets), ManyToManyMappings = BuildManyToManyMappings(mappingNode, nsmgr, edmItemCollection.GetAllAssociationSets(), allEntitySets), TphMappings=BuildTPHMappings(mappingNode, nsmgr, edmItemCollection.GetItems(), edmItemCollection.GetAllEntitySets(), allEntitySets) }; } private Tuple LoadMappingMetadata(string inputFile) { var xmlDoc = new XmlDocument(); xmlDoc.Load(Host.ResolvePath(inputFile)); var schemaConstantsList = new SchemaConsts[] { MetadataConsts.V2_SCHEMA_CONSTANTS, MetadataConsts.V1_SCHEMA_CONSTANTS }; foreach (var schemaConstants in schemaConstantsList) { var nsmgr = new XmlNamespaceManager(xmlDoc.NameTable); nsmgr.AddNamespace("ef", schemaConstants.MslNamespace); nsmgr.AddNamespace("edmx", schemaConstants.EdmxNamespace); var mappingNode = xmlDoc.DocumentElement.SelectSingleNode("./*/edmx:Mappings", nsmgr); if(mappingNode != null) return Tuple.Create(mappingNode, nsmgr); } throw new Exception(GetResourceString("Template_UnsupportedSchema")); } private Dictionary>> BuildTPHMappings(XmlNode mappingNode, XmlNamespaceManager nsmgr, IEnumerable entityTypes, IEnumerable entitySets, IEnumerable tableSets) { var dictionary = new Dictionary>>(); foreach (EntitySet set in entitySets) { XmlNodeList nodes = mappingNode.SelectNodes(string.Format(".//ef:EntitySetMapping[@Name=\"{0}\"]/ef:EntityTypeMapping/ef:MappingFragment", set.Name), nsmgr); foreach(XmlNode node in nodes) { string typeName=node.ParentNode.Attributes["TypeName"].Value; if(typeName.StartsWith("IsTypeOf(")) typeName=typeName.Substring("IsTypeOf(".Length, typeName.Length-"IsTypeOf()".Length); EntityType type=entityTypes.Single(z=>z.FullName==typeName); string tableName = node.Attributes["StoreEntitySet"].Value; EntitySet set2 = tableSets.Single(entitySet => entitySet.Name == tableName); var entityMap = new Dictionary(); XmlNodeList propertyNodes = node.SelectNodes("./ef:Condition", nsmgr); if(propertyNodes.Count==0) continue; foreach(XmlNode propertyNode in propertyNodes) { string str = propertyNode.Attributes["ColumnName"].Value; EdmProperty property2 = set2.ElementType.Properties[str]; string val=propertyNode.Attributes["Value"].Value; entityMap.Add(property2, val); } EntityType baseType=(EntityType)(type.BaseType??type); if(!dictionary.Keys.Contains(baseType)) { var entityMappings=new Dictionary>(); //entityMappings.Add(type,entityMap); dictionary.Add(baseType, entityMappings); } dictionary[baseType].Add(type,entityMap); } } return dictionary; } private Dictionary>> BuildEntityMappings(XmlNode mappingNode, XmlNamespaceManager nsmgr, IEnumerable entityTypes, IEnumerable entitySets, IEnumerable tableSets) { var dictionary = new Dictionary>>(); foreach (EntitySet set in entitySets) { XmlNodeList nodes = mappingNode.SelectNodes(string.Format(".//ef:EntitySetMapping[@Name=\"{0}\"]/ef:EntityTypeMapping/ef:MappingFragment", set.Name), nsmgr); foreach(XmlNode node in nodes) { string typeName=node.ParentNode.Attributes["TypeName"].Value; if(typeName.StartsWith("IsTypeOf(")) typeName=typeName.Substring("IsTypeOf(".Length, typeName.Length-"IsTypeOf()".Length); EntityType type=entityTypes.Single(z=>z.FullName==typeName); string tableName = node.Attributes["StoreEntitySet"].Value; EntitySet set2 = tableSets.Single(entitySet => entitySet.Name == tableName); var entityMap = new Dictionary(); foreach (EdmProperty property in type.Properties) { XmlNode propertyNode = node.SelectSingleNode(string.Format("./ef:ScalarProperty[@Name=\"{0}\"]", property.Name), nsmgr); if(propertyNode == null) continue; string str = propertyNode.Attributes["ColumnName"].Value; EdmProperty property2 = set2.ElementType.Properties[str]; entityMap.Add(property, property2); } dictionary.Add(type, Tuple.Create(set2, entityMap)); } } return dictionary; } Dictionary>>> BuildManyToManyMappings(XmlNode mappingNode, XmlNamespaceManager nsmgr, IEnumerable associationSets, IEnumerable tableSets) { var dictionary = new Dictionary>>>(); foreach (AssociationSet associationSet in associationSets.Where(set => set.ElementType.IsManyToMany())) { XmlNode node = mappingNode.SelectSingleNode(string.Format("//ef:AssociationSetMapping[@Name=\"{0}\"]", associationSet.Name), nsmgr); string tableName = node.Attributes["StoreEntitySet"].Value; EntitySet entitySet = tableSets.Single(s => s.Name == tableName); var relationEndMap = new Dictionary>(); foreach (AssociationSetEnd end in associationSet.AssociationSetEnds) { var map = new Dictionary(); foreach (XmlNode endProperty in node.SelectSingleNode(string.Format("./ef:EndProperty[@Name=\"{0}\"]", end.Name), nsmgr).ChildNodes) { string str = endProperty.Attributes["Name"].Value; EdmProperty key = end.EntitySet.ElementType.Properties[str]; string str2 = endProperty.Attributes["ColumnName"].Value; map.Add(key, str2); } relationEndMap.Add(end.CorrespondingAssociationEndMember, map); } dictionary.Add(associationSet.ElementType, Tuple.Create(entitySet, relationEndMap)); } return dictionary; } public class MetadataLoadResult { public EdmItemCollection EdmItems { get; set; } public Dictionary>> PropertyToColumnMapping { get; set; } public Dictionary>>> ManyToManyMappings { get; set; } public Dictionary>> TphMappings { get; set; } } ///

/// Responsible for encapsulating the constants defined in Metadata ///

public static class MetadataConsts { public const string CSDL_EXTENSION = ".csdl"; public const string CSDL_EDMX_SECTION_NAME = "ConceptualModels"; public const string CSDL_ROOT_ELEMENT_NAME = "Schema"; public const string EDM_ANNOTATION_09_02 = "http://schemas.microsoft.com/ado/2009/02/edm/annotation"; public const string SSDL_EXTENSION = ".ssdl"; public const string SSDL_EDMX_SECTION_NAME = "StorageModels"; public const string SSDL_ROOT_ELEMENT_NAME = "Schema"; public const string MSL_EXTENSION = ".msl"; public const string MSL_EDMX_SECTION_NAME = "Mappings"; public const string MSL_ROOT_ELEMENT_NAME = "Mapping"; public const string TT_TEMPLATE_NAME = "TemplateName"; public const string TT_TEMPLATE_VERSION = "TemplateVersion"; public const string TT_MINIMUM_ENTITY_FRAMEWORK_VERSION = "MinimumEntityFrameworkVersion"; public const string DEFAULT_TEMPLATE_VERSION = "4.0"; public static readonly SchemaConsts V1_SCHEMA_CONSTANTS = new SchemaConsts( "http://schemas.microsoft.com/ado/2007/06/edmx", "http://schemas.microsoft.com/ado/2006/04/edm", "http://schemas.microsoft.com/ado/2006/04/edm/ssdl", "urn:schemas-microsoft-com:windows:storage:mapping:CS", new Version("3.5")); public static readonly SchemaConsts V2_SCHEMA_CONSTANTS = new SchemaConsts( "http://schemas.microsoft.com/ado/2008/10/edmx", "http://schemas.microsoft.com/ado/2008/09/edm", "http://schemas.microsoft.com/ado/2009/02/edm/ssdl", "http://schemas.microsoft.com/ado/2008/09/mapping/cs", new Version("4.0")); public static readonly SchemaConsts V3_SCHEMA_CONSTANTS = new SchemaConsts( "http://schemas.microsoft.com/ado/2009/11/edmx", "http://schemas.microsoft.com/ado/2009/11/edm", "http://schemas.microsoft.com/ado/2009/11/edm/ssdl", "http://schemas.microsoft.com/ado/2009/11/mapping/cs", new Version("4.5")); } public struct SchemaConsts { public SchemaConsts(string edmxNamespace, string csdlNamespace, string ssdlNamespace, string mslNamespace, Version minimumTemplateVersion) : this() { EdmxNamespace = edmxNamespace; CsdlNamespace = csdlNamespace; SsdlNamespace = ssdlNamespace; MslNamespace = mslNamespace; MinimumTemplateVersion = minimumTemplateVersion; } public string EdmxNamespace { get; private set; } public string CsdlNamespace { get; private set; } public string SsdlNamespace { get; private set; } public string MslNamespace { get; private set; } public Version MinimumTemplateVersion { get; private set; } } #>