/**
* @return any Criteria. If no Criteria has been established we establish
* one and return it.
*/
private ICriteria GetOrEstablishSomeCriteria()
{
ICriteria crit = GetSomeCriteria();
if (crit != null)
{
IShard shard = shards[0];
crit = shard.EstablishCriteria(this);
}
return(crit);
}
/**
* @return Returns an actual Criteria object. If no actual Criteria object
* has been allocated, allocate one and return it.
*/
private ICriteria GetOrEstablishSomeSubcriteria()
{
ICriteria crit = GetSomeSubcriteria();
if (crit == null)
{
IShard shard = shards[0];
// this should trigger the creation of all subcriteria for the parent
shard.EstablishCriteria(parent);
}
return(GetSomeSubcriteria());
}
public T Execute(IShard shard)
{
shard.EstablishCriteria(shardedCriteria);
return((T)shard.List(shardedCriteria.CriteriaId));
}