private void ProcessItems(IList <Entity> entities)
{
if (entities.Count == 0)
{
return;
}
var entityType = entities[0].TypeInfo;
var sequence = entityType.GetRemovalAssociationSequence();
if (sequence == null || sequence.Count == 0)
{
return;
}
ExecutePrefetchAction(entities);
var referenceDescriptors = new List <ReferenceDescriptor>();
foreach (var association in sequence)
{
if (association.OwnerType.UnderlyingType.IsAssignableFrom(entityType.UnderlyingType))
{
foreach (var entity in entities)
{
var descriptor = new ReferenceDescriptor {
RemovingEntity = entity,
Processor = GetProcessor(association.OnOwnerRemove.Value),
Association = association,
References = ReferenceFinder.GetReferencesFrom(entity, association),
IsOutgoing = true
};
referenceDescriptors.Add(descriptor);
}
}
if (association.TargetType.UnderlyingType.IsAssignableFrom(entityType.UnderlyingType))
{
foreach (var entity in entities)
{
var descriptor = new ReferenceDescriptor {
RemovingEntity = entity,
Processor = GetProcessor(association.OnTargetRemove.Value),
Association = association,
References = ReferenceFinder.GetReferencesTo(entity, association),
IsOutgoing = false
};
referenceDescriptors.Add(descriptor);
}
}
}
if (Session.Handler.ExecutePrefetchTasks() == null)
{
Session.ExecuteUserDefinedDelayedQueries(false);
}
foreach (var container in referenceDescriptors)
{
var processor = container.Processor;
var association = container.Association;
var removingEntity = container.RemovingEntity;
if (container.IsOutgoing)
{
foreach (var reference in container.References.ToList())
{
processor.Process(Context, association, removingEntity, reference.ReferencedEntity, removingEntity, reference.ReferencedEntity);
}
}
else
{
foreach (var reference in container.References.ToList())
{
processor.Process(Context, association, removingEntity, reference.ReferencingEntity, reference.ReferencingEntity, removingEntity);
}
}
}
}