public override ResourceAssociationSet GetResourceAssociationSet(ResourceSet resourceSet, ResourceType resourceType, ResourceProperty resourceProperty)
{
WebUtil.CheckArgumentNull(resourceSet, "resourceSet");
WebUtil.CheckArgumentNull(resourceType, "resourceType");
WebUtil.CheckArgumentNull(resourceProperty, "resourceProperty");
// Get source set
EntitySet sourceEntitySet = this.GetEntitySet(resourceSet.Name);
Debug.Assert(sourceEntitySet != null, "entitySet != null -- GetEntitySet should never return null");
// Get the source type
EntityType sourceEntityType = this.ObjectContext.MetadataWorkspace.GetItem<EntityType>(resourceType.FullName, DataSpace.CSpace);
Debug.Assert(sourceEntityType != null, "entityType != null");
// Get source navigation property
NavigationProperty sourceNavigationProperty;
sourceEntityType.NavigationProperties.TryGetValue(resourceProperty.Name, false /*ignoreCase*/, out sourceNavigationProperty);
if (sourceNavigationProperty == null)
{
throw new InvalidOperationException(Strings.BadProvider_PropertyMustBeNavigationPropertyOnType(resourceProperty.Name, resourceType.FullName));
}
if (sourceEntityType != (EntityType)sourceNavigationProperty.DeclaringType || resourceType != resourceType.GetDeclaringTypeForProperty(resourceProperty))
{
throw new InvalidOperationException(Strings.BadProvider_ResourceTypeMustBeDeclaringTypeForProperty(resourceType.FullName, resourceProperty.Name));
}
ResourceAssociationSet result = null;
foreach (AssociationSet associationSet in sourceEntitySet.EntityContainer.BaseEntitySets.OfType<AssociationSet>())
{
if (associationSet.ElementType == sourceNavigationProperty.RelationshipType)
{
// from AssociationSetEnd
AssociationSetEnd setEnd = associationSet.AssociationSetEnds[sourceNavigationProperty.FromEndMember.Name];
if (setEnd.EntitySet == sourceEntitySet)
{
// from ResourceAssociationSetEnd
ResourceAssociationSetEnd thisAssociationSetEnd = ObjectContextServiceProvider.PopulateResourceAssociationSetEnd(setEnd, resourceSet, resourceType, resourceProperty);
#if !EF6Provider
// from ResourceAssociationTypeEnd
ResourceAssociationTypeEnd thisAssociationTypeEnd = ObjectContextServiceProvider.PopulateResourceAssociationTypeEnd(
setEnd.CorrespondingAssociationEndMember,
resourceType,
resourceProperty);
#endif
// to AssociationSetEnd
setEnd = associationSet.AssociationSetEnds[sourceNavigationProperty.ToEndMember.Name];
// Get the target resource set
EntitySet targetEntitySet = setEnd.EntitySet;
string targetEntitySetName = GetEntitySetName(targetEntitySet.Name, targetEntitySet.EntityContainer.Name, this.ObjectContext.DefaultContainerName == targetEntitySet.EntityContainer.Name);
ResourceSet targetResourceSet;
((IDataServiceMetadataProvider)this).TryResolveResourceSet(targetEntitySetName, out targetResourceSet);
Debug.Assert(targetResourceSet != null, "targetResourceSet != null");
// Get the target resource type
EntityType targetEntityType = (EntityType)((RefType)sourceNavigationProperty.ToEndMember.TypeUsage.EdmType).ElementType;
ResourceType targetResourceType;
((IDataServiceMetadataProvider)this).TryResolveResourceType(targetEntityType.FullName, out targetResourceType);
Debug.Assert(targetResourceType != null, "targetResourceType != null");
// Get the target resource property
ResourceProperty targetResourceProperty = null;
foreach (NavigationProperty navProperty in targetEntityType.NavigationProperties)
{
if (navProperty.ToEndMember == sourceNavigationProperty.FromEndMember)
{
targetResourceProperty = targetResourceType.TryResolvePropertyName(navProperty.Name, exceptKind: ResourcePropertyKind.Stream);
break;
}
}
// to ResourceAssociationSetEnd
ResourceAssociationSetEnd relatedAssociationSetEnd = ObjectContextServiceProvider.PopulateResourceAssociationSetEnd(
setEnd,
targetResourceSet,
targetResourceType,
(resourceType == targetResourceType && resourceProperty == targetResourceProperty) ? null : targetResourceProperty);
#if !EF6Provider
// to ResourceAssociationTypeEnd
ResourceAssociationTypeEnd relatedAssociationTypeEnd = ObjectContextServiceProvider.PopulateResourceAssociationTypeEnd(
setEnd.CorrespondingAssociationEndMember,
targetResourceType,
relatedAssociationSetEnd.ResourceProperty);
#endif
result = new ResourceAssociationSet(associationSet.Name, thisAssociationSetEnd, relatedAssociationSetEnd);
#if !EF6Provider
ObjectContextServiceProvider.PopulateAnnotations(associationSet.MetadataProperties, result.AddCustomAnnotation);
result.ResourceAssociationType = ObjectContextServiceProvider.PopulateResourceAssociationType(
associationSet.ElementType,
thisAssociationTypeEnd,
relatedAssociationTypeEnd);
#endif
break;
}
}
}
return result;
}
/// <summary>
/// Gets the ResourceAssociationSet instance when given the source association end.
/// </summary>
/// <param name="resourceSet">Resource set of the source association end.</param>
/// <param name="resourceType">Resource type of the source association end.</param>
/// <param name="resourceProperty">Resource property of the source association end.</param>
/// <returns>ResourceAssociationSet instance.</returns>
public override ResourceAssociationSet GetResourceAssociationSet(ResourceSet resourceSet, ResourceType resourceType, ResourceProperty resourceProperty)
{
WebUtil.CheckArgumentNull(resourceSet, "resourceSet");
WebUtil.CheckArgumentNull(resourceType, "resourceType");
WebUtil.CheckArgumentNull(resourceProperty, "resourceProperty");
ResourceSet knownSet;
if (!this.TryResolveResourceSet(resourceSet.Name, out knownSet) || knownSet != resourceSet)
{
throw new InvalidOperationException(Strings.BadProvider_UnknownResourceSet(resourceSet.Name));
}
ResourceType knownType;
if (!this.TryResolveResourceType(resourceType.FullName, out knownType) || knownType != resourceType)
{
throw new InvalidOperationException(Strings.BadProvider_UnknownResourceType(resourceType.FullName));
}
if (resourceType != resourceType.GetDeclaringTypeForProperty(resourceProperty))
{
throw new InvalidOperationException(Strings.BadProvider_ResourceTypeMustBeDeclaringTypeForProperty(resourceType.FullName, resourceProperty.Name));
}
ResourceType targetType = resourceProperty.ResourceType;
Debug.Assert(targetType != null, "targetType != null");
if (targetType.ResourceTypeKind != ResourceTypeKind.EntityType)
{
throw new InvalidOperationException(Strings.BadProvider_PropertyMustBeNavigationPropertyOnType(resourceProperty.Name, resourceType.FullName));
}
ResourceSet targetSet = InternalGetContainerForResourceType(targetType.InstanceType, this.ResourceSets);
Debug.Assert(targetSet != null, "targetSet != null");
// In order to prevent this from becoming a breaking change, we use the name to build up the association whenever possible.
// If there exists an entity with the same name, then we try and use the full name.
string associationSetName;
if (this.MetadataCacheItem.ResourceTypeCacheItems.Count(rt => rt.ResourceType.Name == resourceType.Name) > 1)
{
associationSetName = resourceType.FullName.Replace('.', '_') + '_' + resourceProperty.Name;
}
else
{
associationSetName = resourceType.Name + '_' + resourceProperty.Name;
}
// We changed the association logic on the server to create the correct navigation property for V4 to run the tests.
// The association logic on server side needs to be removed.
// Calculating targetResourceProperty value here is for V4 and it is not the correct code for V3.
ResourceProperty targetResourceProperty = null;
if (targetType != resourceType)
{
targetResourceProperty = GetResourcePropertyByResourcePropertyTypeInResourceSet(resourceType, targetSet);
}
else
{
targetResourceProperty = resourceProperty;
}
if (targetResourceProperty != null && !this.MetadataCacheItem.TargetResourcePropertiesCacheItems.ContainsKey(targetSet.Name + "_" + targetResourceProperty.Name))
{
this.MetadataCacheItem.TargetResourcePropertiesCacheItems.Add(targetSet.Name + "_" + targetResourceProperty.Name, resourceProperty);
}
ResourceAssociationSetEnd sourceEnd = new ResourceAssociationSetEnd(resourceSet, resourceType, resourceProperty);
ResourceAssociationSetEnd targetEnd = new ResourceAssociationSetEnd(targetSet, targetType, targetResourceProperty);
return new ResourceAssociationSet(associationSetName, sourceEnd, targetEnd);
}
