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 (var entry in _knownAssemblies.GetEntries(_loaderFactory, edmItemCollection))
{
foreach (var type in entry.CacheEntry.TypesInAssembly.OfType <EdmType>())
{
if (Helper.IsEntityType(type))
{
var entityType = (ClrEntityType)type;
_cspaceToOspace.Add(_edmItemCollection.GetItem <StructuralType>(entityType.CSpaceTypeName), entityType);
}
else if (Helper.IsComplexType(type))
{
var complexType = (ClrComplexType)type;
_cspaceToOspace.Add(_edmItemCollection.GetItem <StructuralType>(complexType.CSpaceTypeName), complexType);
}
else if (Helper.IsEnumType(type))
{
var 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);
}
}
}
}
}
public virtual IEnumerable <AssociationType> GetAllRelationshipTypesExpensiveWay(
Assembly assembly)
{
Dictionary <string, EdmType> typesInLoading = this.LoadTypesExpensiveWay(assembly);
if (typesInLoading != null)
{
foreach (EdmType type in typesInLoading.Values)
{
if (Helper.IsAssociationType(type))
{
yield return((AssociationType)type);
}
}
}
}
/// <summary>
/// internal static method to get all the AssociationTypes from an assembly
/// </summary>
/// <param name="assembly"> The assembly from which to load relationship types </param>
/// <returns> An enumeration of OSpace AssociationTypes that are present in this assembly </returns>
internal static IEnumerable <AssociationType> GetAllRelationshipTypesExpensiveWay(Assembly assembly)
{
var typesInLoading = LoadTypesExpensiveWay(assembly);
if (typesInLoading != null)
{
// Iterate through the EdmTypes looking for AssociationTypes
foreach (var edmType in typesInLoading.Values)
{
if (Helper.IsAssociationType(edmType))
{
yield return((AssociationType)edmType);
}
}
}
yield break;
}
public virtual IEnumerable <AssociationType> GetAllRelationshipTypesExpensiveWay(Assembly assembly)
{
DebugCheck.NotNull(assembly);
var typesInLoading = LoadTypesExpensiveWay(assembly);
if (typesInLoading != null)
{
// Iterate through the EdmTypes looking for AssociationTypes
foreach (var edmType in typesInLoading.Values)
{
if (Helper.IsAssociationType(edmType))
{
yield return((AssociationType)edmType);
}
}
}
}
internal void ResolveNavigationProperty(StructuralType declaringType, PropertyInfo propertyInfo)
{
// EdmScalarPropertyAttribute, EdmComplexPropertyAttribute and EdmRelationshipNavigationPropertyAttribute
// are all EdmPropertyAttributes that we need to process. If the current property is not an EdmPropertyAttribute
// we will just ignore it and skip to the next property.
var relationshipPropertyAttributes = propertyInfo.GetCustomAttributes <EdmRelationshipNavigationPropertyAttribute>(inherit: false);
Debug.Assert(relationshipPropertyAttributes.Count() == 1, "There should be exactly one property for every navigation property");
// The only valid return types from navigation properties are:
// (1) EntityType
// (2) CollectionType containing valid EntityType
// If TryGetLoadedType returned false, it could mean that we couldn't validate any part of the type, or it could mean that it's a generic
// where the main generic type was validated, but the generic type parameter was not. We can't tell the difference, so just fail
// with the same error message in both cases. The user will have to figure out which part of the type is wrong.
// We can't just rely on checking for a generic because it can lead to a scenario where we report that the type parameter is invalid
// when really it's the main generic type. That is more confusing than reporting the full name and letting the user determine the problem.
EdmType propertyType;
if (!TryGetLoadedType(propertyInfo.PropertyType, out propertyType)
||
!(propertyType.BuiltInTypeKind == BuiltInTypeKind.EntityType ||
propertyType.BuiltInTypeKind == BuiltInTypeKind.CollectionType))
{
// Once an error is detected the property does not need to be validated further, just add to the errors
// collection and continue with the next property. The failure will cause an exception to be thrown later during validation of all of the types.
SessionData.EdmItemErrors.Add(
new EdmItemError(
Strings.Validator_OSpace_InvalidNavPropReturnType(
propertyInfo.Name, propertyInfo.DeclaringType.FullName, propertyInfo.PropertyType.FullName)));
return;
}
// else we have a valid EntityType or CollectionType that contains EntityType. ResolveNonSchemaType enforces that a collection type
// must contain an EntityType, and if it doesn't, propertyType will be null here. If propertyType is EntityType or CollectionType we know it is valid
// Expecting EdmRelationshipNavigationPropertyAttribute to have AllowMultiple=False, so only look at first element in the attribute array
var attribute = (EdmRelationshipNavigationPropertyAttribute)relationshipPropertyAttributes.First();
EdmMember member = null;
EdmType type;
if (SessionData.TypesInLoading.TryGetValue(attribute.RelationshipNamespaceName + "." + attribute.RelationshipName, out type)
&&
Helper.IsAssociationType(type))
{
var relationshipType = (AssociationType)type;
if (relationshipType != null)
{
// The return value of this property has been verified, so create the property now
var navigationProperty = new NavigationProperty(propertyInfo.Name, TypeUsage.Create(propertyType));
navigationProperty.RelationshipType = relationshipType;
member = navigationProperty;
if (relationshipType.Members[0].Name
== attribute.TargetRoleName)
{
navigationProperty.ToEndMember = (RelationshipEndMember)relationshipType.Members[0];
navigationProperty.FromEndMember = (RelationshipEndMember)relationshipType.Members[1];
}
else if (relationshipType.Members[1].Name
== attribute.TargetRoleName)
{
navigationProperty.ToEndMember = (RelationshipEndMember)relationshipType.Members[1];
navigationProperty.FromEndMember = (RelationshipEndMember)relationshipType.Members[0];
}
else
{
SessionData.EdmItemErrors.Add(
new EdmItemError(
Strings.TargetRoleNameInNavigationPropertyNotValid(
propertyInfo.Name, propertyInfo.DeclaringType.FullName, attribute.TargetRoleName,
attribute.RelationshipName)));
member = null;
}
if (member != null
&&
((RefType)navigationProperty.FromEndMember.TypeUsage.EdmType).ElementType.ClrType != declaringType.ClrType)
{
SessionData.EdmItemErrors.Add(
new EdmItemError(
Strings.NavigationPropertyRelationshipEndTypeMismatch(
declaringType.FullName,
navigationProperty.Name,
relationshipType.FullName,
navigationProperty.FromEndMember.Name,
((RefType)navigationProperty.FromEndMember.TypeUsage.EdmType).ElementType.ClrType)));
member = null;
}
}
}
else
{
SessionData.EdmItemErrors.Add(
new EdmItemError(
Strings.RelationshipNameInNavigationPropertyNotValid(
propertyInfo.Name, propertyInfo.DeclaringType.FullName, attribute.RelationshipName)));
}
if (member != null)
{
declaringType.AddMember(member);
}
}
internal void ResolveNavigationProperty(StructuralType declaringType, PropertyInfo propertyInfo)
{
IEnumerable <EdmRelationshipNavigationPropertyAttribute> customAttributes = propertyInfo.GetCustomAttributes <EdmRelationshipNavigationPropertyAttribute>(false);
EdmType edmType;
if (!this.TryGetLoadedType(propertyInfo.PropertyType, out edmType) || edmType.BuiltInTypeKind != BuiltInTypeKind.EntityType && edmType.BuiltInTypeKind != BuiltInTypeKind.CollectionType)
{
this.SessionData.EdmItemErrors.Add(new EdmItemError(Strings.Validator_OSpace_InvalidNavPropReturnType((object)propertyInfo.Name, (object)propertyInfo.DeclaringType.FullName, (object)propertyInfo.PropertyType.FullName)));
}
else
{
EdmRelationshipNavigationPropertyAttribute propertyAttribute = customAttributes.First <EdmRelationshipNavigationPropertyAttribute>();
EdmMember member = (EdmMember)null;
EdmType type;
if (this.SessionData.TypesInLoading.TryGetValue(propertyAttribute.RelationshipNamespaceName + "." + propertyAttribute.RelationshipName, out type) && Helper.IsAssociationType(type))
{
AssociationType associationType = (AssociationType)type;
if (associationType != null)
{
NavigationProperty navigationProperty = new NavigationProperty(propertyInfo.Name, TypeUsage.Create(edmType));
navigationProperty.RelationshipType = (RelationshipType)associationType;
member = (EdmMember)navigationProperty;
if (associationType.Members[0].Name == propertyAttribute.TargetRoleName)
{
navigationProperty.ToEndMember = (RelationshipEndMember)associationType.Members[0];
navigationProperty.FromEndMember = (RelationshipEndMember)associationType.Members[1];
}
else if (associationType.Members[1].Name == propertyAttribute.TargetRoleName)
{
navigationProperty.ToEndMember = (RelationshipEndMember)associationType.Members[1];
navigationProperty.FromEndMember = (RelationshipEndMember)associationType.Members[0];
}
else
{
this.SessionData.EdmItemErrors.Add(new EdmItemError(Strings.TargetRoleNameInNavigationPropertyNotValid((object)propertyInfo.Name, (object)propertyInfo.DeclaringType.FullName, (object)propertyAttribute.TargetRoleName, (object)propertyAttribute.RelationshipName)));
member = (EdmMember)null;
}
if (member != null && ((RefType)navigationProperty.FromEndMember.TypeUsage.EdmType).ElementType.ClrType != declaringType.ClrType)
{
this.SessionData.EdmItemErrors.Add(new EdmItemError(Strings.NavigationPropertyRelationshipEndTypeMismatch((object)declaringType.FullName, (object)navigationProperty.Name, (object)associationType.FullName, (object)navigationProperty.FromEndMember.Name, (object)((RefType)navigationProperty.FromEndMember.TypeUsage.EdmType).ElementType.ClrType)));
member = (EdmMember)null;
}
}
}
else
{
this.SessionData.EdmItemErrors.Add(new EdmItemError(Strings.RelationshipNameInNavigationPropertyNotValid((object)propertyInfo.Name, (object)propertyInfo.DeclaringType.FullName, (object)propertyAttribute.RelationshipName)));
}
if (member == null)
{
return;
}
declaringType.AddMember(member);
}
}
