/**
* {@inheritdoc}
*/
public function execute(Execution $execution)
{
$execution->getEngine()->notify(new ActivityStartedEvent($this->activityId, $execution, $execution->getEngine()));
$execution->getEngine()->info('ENTER: scope <{scope}> at level {level} using {execution}', ['scope' => $this->activityId, 'level' => $execution->getExecutionDepth(), 'execution' => (string) $execution]);
$root = $execution->createNestedExecution($execution->getProcessModel(), $execution->getNode(), true);
$root->waitForSignal();
$this->createEventSubscriptions($root, $this->activityId, $execution->getNode());
$this->enter($root->createExecution(false));
}
/**
* Compute current execution depth.
*
* @return number
*/
public function getExecutionDepth()
{
return $this->parentExecution === NULL ? 0 : $this->parentExecution->getExecutionDepth() + 1;
}
