public override void OnPreUpdate(Net.Vpc.Upa.Callbacks.UpdateEvent @event) /* throws Net.Vpc.Upa.Exceptions.UPAException */
{
Net.Vpc.Upa.Persistence.EntityExecutionContext executionContext = @event.GetContext();
System.Collections.Generic.IList <Net.Vpc.Upa.Field> updateTreeFields = GetUpdateTreeFields();
Net.Vpc.Upa.Record updates = @event.GetUpdatesRecord();
if (!updates.IsSet(updateTreeFields[0].GetName()))
{
return;
}
object val = updates.GetObject <T>(updateTreeFields[0].GetName());
if (val is Net.Vpc.Upa.Expressions.Literal)
{
val = ((Net.Vpc.Upa.Expressions.Literal)val).GetValue();
}
else if (val is Net.Vpc.Upa.Expressions.Expression)
{
// Log.bug("1232123");
return;
}
if (val != null)
{
object parentId = relation.ExtractId(updates);
if (parentId != null)
{
Net.Vpc.Upa.Entity entity = @event.GetEntity();
string k = "recurse";
if (!executionContext.IsSet(k))
{
System.Collections.Generic.IList <object> idList = entity.CreateQueryBuilder().ByExpression(@event.GetFilterExpression()).OrderBy(entity.GetUpdateFormulasOrder()).GetIdList <K>();
executionContext.SetObject(k, idList);
}
System.Collections.Generic.IList <object> r = (System.Collections.Generic.IList <object>)executionContext.GetObject <T>("recurse");
foreach (object aR in r)
{
if (support.IsEqualOrIsParent(aR, parentId))
{
throw new Net.Vpc.Upa.Exceptions.UPAException("RedundancyProblem");
}
}
}
}
}
public static System.Collections.Generic.IList <object> ResolveIdListUtility(Net.Vpc.Upa.Callbacks.EntityEvent @event, Net.Vpc.Upa.Expressions.Expression whereExpression) /* throws Net.Vpc.Upa.Exceptions.UPAException */
{
Net.Vpc.Upa.Persistence.EntityExecutionContext executionContext = @event.GetContext();
if (whereExpression is Net.Vpc.Upa.Expressions.IdExpression)
{
object id = ((Net.Vpc.Upa.Expressions.IdExpression)whereExpression).GetId();
return(id == null ? new System.Collections.Generic.List <object>() : new System.Collections.Generic.List <object>(new[] { id }));
}
else
{
if (!executionContext.IsSet("ALL_IDS"))
{
if (@event.GetPhase() == Net.Vpc.Upa.EventPhase.AFTER)
{
throw new Net.Vpc.Upa.Exceptions.UPAException("SingleEntityEventCalledInPostProcessButNeverInPreProcess");
}
System.Collections.Generic.IList <object> idList = @event.GetEntity().CreateQueryBuilder().ByExpression(whereExpression).GetIdList <K>();
executionContext.SetObject("ALL_IDS", idList);
}
return((System.Collections.Generic.IList <object>)executionContext.GetObject <T>("ALL_IDS"));
}
}