/**
* @task activate
*/
private function validateActivatedLease(DrydockBlueprint $blueprint, DrydockResource $resource, DrydockLease $lease)
{
if (!$lease->isActivatedLease()) {
throw new Exception(pht('Blueprint "%s" (of type "%s") is not properly implemented: it ' . 'returned from "%s" without activating a lease.', $blueprint->getBlueprintName(), $blueprint->getClassName(), 'acquireLease()'));
}
}