/**
* The implementation executes the query on each shard and returns the first
* non-null result.
*
* {@inheritDoc}
*
* @return the first non-null result, or null if no non-null result found
* @throws HibernateException
*/
public object UniqueResult()
{
IShardOperation <object> shardOp = new UniqueResultShardOperation <object>(queryId, this);
/**
* We don't support shard selection for HQL queries. If you want
* custom shards, create a ShardedSession with only the shards you want.
*/
return(shardAccessStrategy.Apply(shards, shardOp, new FirstNonNullResultExitStrategy <object>(), queryCollector));
}
public Object UniqueResult()
{
// build a shard operation and apply it across all shards
IShardOperation <object> shardOp = new UniqueResultShardOperation <object>(this);
IExitStrategy <object> exitStrategy = new FirstNonNullResultExitStrategy <object>();
/**
* We don't support shard selection for criteria queries. If you want
* custom shards, create a ShardedSession with only the shards you want.
* We're going to return the first non-null result we get from a shard.
*/
return(this.shardAccessStrategy.Apply(this.shards, shardOp, exitStrategy, this.criteriaCollector));
}
