internal ObjectItemLoadingSessionData(KnownAssembliesSet knownAssemblies, LockedAssemblyCache lockedAssemblyCache, EdmItemCollection edmItemCollection, Action <String> logLoadMessage, object loaderCookie)
{
Debug.Assert(loaderCookie == null || loaderCookie is Func <Assembly, ObjectItemLoadingSessionData, ObjectItemAssemblyLoader>, "This is a bad loader cookie");
_typesInLoading = new Dictionary <string, EdmType>(StringComparer.Ordinal);
_errors = new List <EdmItemError>();
_knownAssemblies = knownAssemblies;
_lockedAssemblyCache = lockedAssemblyCache;
_loadersThatNeedLevel1PostSessionProcessing = new HashSet <ObjectItemAssemblyLoader>();
_loadersThatNeedLevel2PostSessionProcessing = new HashSet <ObjectItemAssemblyLoader>();
_edmItemCollection = edmItemCollection;
_loadMessageLogger = new LoadMessageLogger(logLoadMessage);
_cspaceToOspace = new Dictionary <EdmType, EdmType>();
_loaderFactory = (Func <Assembly, ObjectItemLoadingSessionData, ObjectItemAssemblyLoader>)loaderCookie;
_originalLoaderCookie = loaderCookie;
if (_loaderFactory == ObjectItemConventionAssemblyLoader.Create && _edmItemCollection != null)
{
foreach (KnownAssemblyEntry entry in _knownAssemblies.GetEntries(_loaderFactory, edmItemCollection))
{
foreach (EdmType type in entry.CacheEntry.TypesInAssembly.OfType <EdmType>())
{
if (Helper.IsEntityType(type))
{
ClrEntityType entityType = (ClrEntityType)type;
_cspaceToOspace.Add(_edmItemCollection.GetItem <StructuralType>(entityType.CSpaceTypeName), entityType);
}
else if (Helper.IsComplexType(type))
{
ClrComplexType complexType = (ClrComplexType)type;
_cspaceToOspace.Add(_edmItemCollection.GetItem <StructuralType>(complexType.CSpaceTypeName), complexType);
}
else if (Helper.IsEnumType(type))
{
ClrEnumType enumType = (ClrEnumType)type;
_cspaceToOspace.Add(_edmItemCollection.GetItem <EnumType>(enumType.CSpaceTypeName), enumType);
}
else
{
Debug.Assert(Helper.IsAssociationType(type));
_cspaceToOspace.Add(_edmItemCollection.GetItem <StructuralType>(type.FullName), type);
}
}
}
}
}
/// <summary>
/// Creates new enum OSpace type built based on CLR <paramref name="enumType"/> and <paramref name="cspaceEnumType"/>
/// </summary>
/// <param name="enumType">CLR type to create OSpace type from.</param>
/// <param name="cspaceEnumType">CSpace type used to get namespace and name for the newly created OSpace type.</param>
/// <param name="newOSpaceType">
/// New enum OSpace type built based on CLR <paramref name="enumType"/> and <paramref name="cspaceEnumType"/> or null
/// if the type could not be built.
/// </param>
/// <returns><c>true</c> if the type was built successfully.<c>false</c> otherwise.</returns>
private bool TryCreateEnumType(Type enumType, EnumType cspaceEnumType, out EdmType newOSpaceType)
{
Debug.Assert(enumType != null, "enumType != null");
Debug.Assert(enumType.IsEnum, "enum type expected");
Debug.Assert(cspaceEnumType != null, "cspaceEnumType != null");
Debug.Assert(Helper.IsEnumType(cspaceEnumType), "Enum type expected");
Debug.Assert(TypesMatchByConvention(enumType, cspaceEnumType), "The types passed as parameters don't match by convention.");
newOSpaceType = null;
// Check if the OSpace and CSpace enum type match
if (!UnderlyingEnumTypesMatch(enumType, cspaceEnumType) || !EnumMembersMatch(enumType, cspaceEnumType))
{
return(false);
}
newOSpaceType = new ClrEnumType(enumType, cspaceEnumType.NamespaceName, cspaceEnumType.Name);
SessionData.TypesInLoading.Add(enumType.FullName, newOSpaceType);
return(true);
}
/// <summary>
/// Load metadata of the given type - when you call this method, you should check and make sure that the type has
/// edm attribute. If it doesn't,we won't load the type and it will be returned as null
/// </summary>
/// <param name="clrType"></param>
/// <param name="context"></param>
/// <returns></returns>
private void LoadType(Type clrType)
{
Debug.Assert(clrType.Assembly == SourceAssembly, "Why are we loading a type that is not in our assembly?");
Debug.Assert(!SessionData.TypesInLoading.ContainsKey(clrType.FullName), "Trying to load a type that is already loaded???");
Debug.Assert(!clrType.IsGenericType, "Generic type is not supported");
EdmType edmType = null;
EdmTypeAttribute[] typeAttributes = (EdmTypeAttribute[])clrType.GetCustomAttributes(typeof(EdmTypeAttribute), false /*inherit*/);
// the CLR doesn't allow types to have duplicate/multiple attribute declarations
if (typeAttributes.Length != 0)
{
if (clrType.IsNested)
{
SessionData.EdmItemErrors.Add(new EdmItemError(System.Data.Entity.Strings.NestedClassNotSupported(clrType.FullName, clrType.Assembly.FullName), null));
return;
}
EdmTypeAttribute typeAttribute = typeAttributes[0];
string cspaceTypeName = String.IsNullOrEmpty(typeAttribute.Name) ? clrType.Name : typeAttribute.Name;
if (String.IsNullOrEmpty(typeAttribute.NamespaceName) && clrType.Namespace == null)
{
SessionData.EdmItemErrors.Add(new EdmItemError(Strings.Validator_TypeHasNoNamespace, edmType));
return;
}
string cspaceNamespaceName = String.IsNullOrEmpty(typeAttribute.NamespaceName) ? clrType.Namespace : typeAttribute.NamespaceName;
if (typeAttribute.GetType() == typeof(EdmEntityTypeAttribute))
{
edmType = new ClrEntityType(clrType, cspaceNamespaceName, cspaceTypeName);
}
else if (typeAttribute.GetType() == typeof(EdmComplexTypeAttribute))
{
edmType = new ClrComplexType(clrType, cspaceNamespaceName, cspaceTypeName);
}
else
{
Debug.Assert(typeAttribute is EdmEnumTypeAttribute, "Invalid type attribute encountered");
// Note that TryGetPrimitiveType() will return false not only for types that are not primitive
// but also for CLR primitive types that are valid underlying enum types in CLR but are not
// a valid Edm primitive types (e.g. ulong)
PrimitiveType underlyingEnumType;
if (!ClrProviderManifest.Instance.TryGetPrimitiveType(clrType.GetEnumUnderlyingType(), out underlyingEnumType))
{
SessionData.EdmItemErrors.Add(
new EdmItemError(
Strings.Validator_UnsupportedEnumUnderlyingType(clrType.GetEnumUnderlyingType().FullName),
edmType));
return;
}
edmType = new ClrEnumType(clrType, cspaceNamespaceName, cspaceTypeName);
}
}
else
{
// not a type we are interested
return;
}
Debug.Assert(!CacheEntry.ContainsType(edmType.Identity), "This type must not be already present in the list of types for this assembly");
// Also add this to the list of the types for this assembly
CacheEntry.TypesInAssembly.Add(edmType);
// Add this to the known type map so we won't try to load it again
SessionData.TypesInLoading.Add(clrType.FullName, edmType);
// Load properties for structural type
if (Helper.IsStructuralType(edmType))
{
//Load base type only for entity type - not sure if we will allow complex type inheritance
if (Helper.IsEntityType(edmType))
{
TrackClosure(clrType.BaseType);
AddTypeResolver(
() => edmType.BaseType = ResolveBaseType(clrType.BaseType));
}
// Load the properties for this type
LoadPropertiesFromType((StructuralType)edmType);
}
return;
}
/// <summary>
/// Creates new enum OSpace type built based on CLR <paramref name="enumType"/> and <paramref name="cspaceEnumType"/>
/// </summary>
/// <param name="enumType">CLR type to create OSpace type from.</param>
/// <param name="cspaceEnumType">CSpace type used to get namespace and name for the newly created OSpace type.</param>
/// <param name="newOSpaceType">
/// New enum OSpace type built based on CLR <paramref name="enumType"/> and <paramref name="cspaceEnumType"/> or null
/// if the type could not be built.
/// </param>
/// <returns><c>true</c> if the type was built successfully.<c>false</c> otherwise.</returns>
private bool TryCreateEnumType(Type enumType, EnumType cspaceEnumType, out EdmType newOSpaceType)
{
Debug.Assert(enumType != null, "enumType != null");
Debug.Assert(enumType.IsEnum, "enum type expected");
Debug.Assert(cspaceEnumType != null, "cspaceEnumType != null");
Debug.Assert(Helper.IsEnumType(cspaceEnumType), "Enum type expected");
Debug.Assert(TypesMatchByConvention(enumType, cspaceEnumType), "The types passed as parameters don't match by convention.");
newOSpaceType = null;
// Check if the OSpace and CSpace enum type match
if (!UnderlyingEnumTypesMatch(enumType, cspaceEnumType) || !EnumMembersMatch(enumType, cspaceEnumType))
{
return false;
}
newOSpaceType = new ClrEnumType(enumType, cspaceEnumType.NamespaceName, cspaceEnumType.Name);
SessionData.TypesInLoading.Add(enumType.FullName, newOSpaceType);
return true;
}
/// <summary>
/// Load metadata of the given type - when you call this method, you should check and make sure that the type has
/// edm attribute. If it doesn't,we won't load the type and it will be returned as null
/// </summary>
/// <param name="clrType"></param>
/// <param name="context"></param>
/// <returns></returns>
private void LoadType(Type clrType)
{
Debug.Assert(clrType.Assembly == SourceAssembly, "Why are we loading a type that is not in our assembly?");
Debug.Assert(!SessionData.TypesInLoading.ContainsKey(clrType.FullName), "Trying to load a type that is already loaded???");
Debug.Assert(!clrType.IsGenericType, "Generic type is not supported");
EdmType edmType = null;
EdmTypeAttribute[] typeAttributes = (EdmTypeAttribute[])clrType.GetCustomAttributes(typeof(EdmTypeAttribute), false /*inherit*/);
// the CLR doesn't allow types to have duplicate/multiple attribute declarations
if (typeAttributes.Length != 0)
{
if (clrType.IsNested)
{
SessionData.EdmItemErrors.Add(new EdmItemError(System.Data.Entity.Strings.NestedClassNotSupported(clrType.FullName, clrType.Assembly.FullName), null));
return;
}
EdmTypeAttribute typeAttribute = typeAttributes[0];
string cspaceTypeName = String.IsNullOrEmpty(typeAttribute.Name) ? clrType.Name : typeAttribute.Name;
if (String.IsNullOrEmpty(typeAttribute.NamespaceName) && clrType.Namespace == null)
{
SessionData.EdmItemErrors.Add(new EdmItemError(Strings.Validator_TypeHasNoNamespace, edmType));
return;
}
string cspaceNamespaceName = String.IsNullOrEmpty(typeAttribute.NamespaceName) ? clrType.Namespace : typeAttribute.NamespaceName;
if (typeAttribute.GetType() == typeof(EdmEntityTypeAttribute))
{
edmType = new ClrEntityType(clrType, cspaceNamespaceName, cspaceTypeName);
}
else if(typeAttribute.GetType() == typeof(EdmComplexTypeAttribute))
{
edmType = new ClrComplexType(clrType, cspaceNamespaceName, cspaceTypeName);
}
else
{
Debug.Assert(typeAttribute is EdmEnumTypeAttribute, "Invalid type attribute encountered");
// Note that TryGetPrimitiveType() will return false not only for types that are not primitive
// but also for CLR primitive types that are valid underlying enum types in CLR but are not
// a valid Edm primitive types (e.g. ulong)
PrimitiveType underlyingEnumType;
if (!ClrProviderManifest.Instance.TryGetPrimitiveType(clrType.GetEnumUnderlyingType(), out underlyingEnumType))
{
SessionData.EdmItemErrors.Add(
new EdmItemError(
Strings.Validator_UnsupportedEnumUnderlyingType(clrType.GetEnumUnderlyingType().FullName),
edmType));
return;
}
edmType = new ClrEnumType(clrType, cspaceNamespaceName, cspaceTypeName);
}
}
else
{
// not a type we are interested
return;
}
Debug.Assert(!CacheEntry.ContainsType(edmType.Identity), "This type must not be already present in the list of types for this assembly");
// Also add this to the list of the types for this assembly
CacheEntry.TypesInAssembly.Add(edmType);
// Add this to the known type map so we won't try to load it again
SessionData.TypesInLoading.Add(clrType.FullName, edmType);
// Load properties for structural type
if (Helper.IsStructuralType(edmType))
{
//Load base type only for entity type - not sure if we will allow complex type inheritance
if (Helper.IsEntityType(edmType))
{
TrackClosure(clrType.BaseType);
AddTypeResolver(
() => edmType.BaseType = ResolveBaseType(clrType.BaseType));
}
// Load the properties for this type
LoadPropertiesFromType((StructuralType)edmType);
}
return;
}
