You may define a filter for the order collection in the mapping and use it
with session.EnableFilter
Am schrieb DannyT <[email protected]>:
I'm trying to fetch a collection of root entities with some of their
children. I then need to iterate these to create a dto to send to client,
Ie the client wants all entities that have changed so it can update a
local database.
The problem is when I try to iterate the child collection NH tries to
lazy load the entire collection rather than just iterating through what
it has.
Eg
var customers = session.CreateCriteriaCustomer>()
.CreateAlias("Orders", "order")
.Add(Restrictions.Gt("o.LastModified", lastModifiedDate)
.List();
foreach(var customer in customers)
foreach(var order in customer)
// triggers lazy load of all orders for this customer
How can I ensure I only loop through the filtered collection? The only
alternative is to grab the child collection by itself and send that but
this is a complex object graph which will mean I end up having to send
lots of collections, it seemed much cleaner to send the root entity with
the relevant collections filtered.
Surely I'm missing something obvious here?
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