public override void OnPersist(Net.Vpc.Upa.Callbacks.PersistEvent @event) /* throws Net.Vpc.Upa.Exceptions.UPAException */
{
object parent_id = relation.ExtractId(@event.GetPersistedRecord());
string path = support.GetHierarchyPathSeparator() + support.ToStringId(@event.GetPersistedId());
string pathFieldName = support.GetHierarchyPathField();
Net.Vpc.Upa.Entity entity = relation.GetSourceRole().GetEntity();
if (parent_id != null)
{
Net.Vpc.Upa.Record r = entity.CreateQueryBuilder().ByExpression(entity.GetBuilder().IdToExpression(parent_id, null)).SetFieldFilter(Net.Vpc.Upa.Filters.Fields.ByName(pathFieldName)).GetRecord();
if (r != null)
{
path = r.GetString(pathFieldName) + path;
}
}
@event.GetPersistedRecord().SetString(pathFieldName, path);
Net.Vpc.Upa.Persistence.EntityExecutionContext executionContext = @event.GetContext();
Net.Vpc.Upa.Persistence.EntityExecutionContext updateContext = executionContext.GetPersistenceUnit().GetFactory().CreateObject <Net.Vpc.Upa.Persistence.EntityExecutionContext>(typeof(Net.Vpc.Upa.Persistence.EntityExecutionContext));
updateContext.InitPersistenceUnit(executionContext.GetPersistenceUnit(), executionContext.GetPersistenceStore(), Net.Vpc.Upa.Persistence.ContextOperation.UPDATE);
Net.Vpc.Upa.Record u2 = entity.GetBuilder().CreateRecord();
u2.SetString(pathFieldName, path);
entity.UpdateCore(u2, entity.GetBuilder().IdToExpression(@event.GetPersistedId(), entity.GetName()), updateContext);
}