/**
* {@inheritDoc}
*/
public function count(array $sources)
{
return $this->aggregator->count($sources);
}
/**
* Adds an aggregator with a name to the container
*
* @param AggregatorInterface $aggregator Aggregator to add to the container for later processing
*
* @throws AggregatorAlreadyExistsException
*/
function addAggregator(AggregatorInterface $aggregator)
{
//Check if the name exists
if ($this->hasAggregator($aggregator->getName())) {
throw new AggregatorAlreadyExistsException($aggregator->getName());
}
//Add the aggregator to the container
$this->aggregators[] = $aggregator;
}