public void RemoveFromUncontainedNavigationProperty(
IBindableModelContext context,
IEntity targetEntity,
INavigationProperty navigationProperty,
IEnumerable <IEntity> entitiesToRemove)
{
ThrowIfContained(navigationProperty);
if (navigationProperty.IsCollection())
{
IUncontainedCollectionNavigationPropertyBinding binding;
if (context.TryGetBinding(navigationProperty, out binding))
{
entitiesToRemove.ForEach(entityToRemove => binding.Remove(targetEntity, entityToRemove));
return;
}
}
else
{
IUncontainedNavigationPropertyBinding binding;
if (context.TryGetBinding(navigationProperty, out binding))
{
binding.Clear(targetEntity);
return;
}
}
throw new ArgumentException("The specified navigation property does not support the expected binding.", nameof(navigationProperty));
}
public static IEntity CreateEntityInContainedNavigationProperty(
this INavigationProperty navigationProperty,
IBindableModelContext context,
IEntity parentEntity,
IDictionary <string, IDependency> dependencies)
{
if (!navigationProperty.IsContained())
{
throw new ArgumentException("Navigation property must be contained.", nameof(navigationProperty));
}
if (navigationProperty.IsCollection())
{
IContainedCollectionNavigationPropertyBinding binding;
if (!context.TryGetBinding(navigationProperty, out binding))
{
throw new ArgumentException("The specified navigation property does not support the expected binding.", nameof(navigationProperty));
}
return(binding.CreateAndAdd(parentEntity, dependencies));
}
else
{
IContainedNavigationPropertyBinding binding;
if (!context.TryGetBinding(navigationProperty, out binding))
{
throw new ArgumentException("The specified navigation property does not support the expected binding.", nameof(navigationProperty));
}
return(binding.CreateAndSet(parentEntity, dependencies));
}
}
public void SetUncontainedNavigationProperty(
IBindableModelContext context,
IEntity targetEntity,
INavigationProperty navigationProperty,
IEnumerable <IEntity> entities)
{
ThrowIfContained(navigationProperty);
if (navigationProperty.IsCollection())
{
IUncontainedCollectionNavigationPropertyBinding binding;
if (context.TryGetBinding(navigationProperty, out binding))
{
// TODO: think about having an AddRange method for better performance
entities.ForEach(entity => binding.Add(targetEntity, entity));
return;
}
}
else
{
IUncontainedNavigationPropertyBinding binding;
if (context.TryGetBinding(navigationProperty, out binding))
{
binding.Set(targetEntity, entities.Single());
return;
}
}
throw new ArgumentException("The specified navigation property does not support the expected binding.", nameof(navigationProperty));
}
public static IEntity CreateEntityInEntitySet(
this IEntitySet entitySet,
IBindableModelContext context,
IDictionary <string, IDependency> dependencies)
{
IEntitySetBinding binding;
if (!context.TryGetBinding(entitySet, out binding))
{
throw new ArgumentException("The specified entity set does not support the expected binding.", nameof(entitySet));
}
return(binding.CreateAndAdd(dependencies));
}