/**
* {@inheritdoc}
*/
public function interrupt(VirtualExecution $execution, array $transitions = NULL)
{
$engine = $execution->getEngine();
$root = $execution->getScope();
$params = ['e1' => $root->getId()];
$i = 1;
foreach ($root->findChildExecutions() as $child) {
$params['e' . ++$i] = $child->getId();
}
$placeholders = implode(', ', array_map(function ($p) {
return ':' . $p;
}, array_keys($params)));
$stmt = $engine->prepareQuery("SELECT `id` FROM `#__bpmn_user_task` WHERE `execution_id` IN ({$placeholders})");
$stmt->bindAll($params);
$stmt->transform('id', new UUIDTransformer());
$stmt->execute();
foreach ($stmt->fetchColumns('id') as $taskId) {
$engine->executeCommand(new RemoveUserTaskCommand($taskId));
}
parent::interrupt($execution, $transitions);
}
public function processSignal(VirtualExecution $execution, $signal, array $variables = [], array $delegation = [])
{
$startNode = $execution->getProcessModel()->findNode($this->startNodeId);
$root = $execution->getScope();
$scope = $this->findScopeActivity($execution);
if (!$this->isInterrupting()) {
return $scope->leaveConcurrent($root, $startNode);
}
// Kill all remaining concurrent executions within the scope activity:
foreach ($root->findChildExecutions() as $child) {
$child->terminate(false);
}
$scope->clearEventSubscriptions($root, $scope->getActivityId());
$root->setNode($this->findScopeNode($root));
$root->setActive(false);
$root->waitForSignal();
$sub = $root->createExecution(false);
$sub->setNode($startNode);
$sub->waitForSignal();
$sub->getEngine()->notify(new ActivityCanceledEvent($this->attachedTo, $sub, $sub->getEngine()));
// Delegate received signal to event sub process start event.
$sub->signal($signal, $variables);
}
/**
* Create a new execution concurrent to the given execution and have it take the given transitions.
*
* If the given execution is concurrent this method will create a new child execution from the parent execution.
* Otherwise a new concurrent root will be introduced as parent of the given execution.
*
* @param VirtualExecution $execution
* @param Node $node
* @param array $transitions
* @return VirtualExecution The new concurrent execution created by this method.
*/
public function leaveConcurrent(VirtualExecution $execution, Node $node = NULL, array $transitions = NULL)
{
$root = $execution->getScope();
$parent = $root->getParentExecution();
$exec = $parent->createExecution(true);
$exec->setNode($node === NULL ? $execution->getNode() : $node);
$root->setConcurrent(true);
$this->createEventSubscriptions($root, $this->activityId, $execution->getProcessModel()->findNode($this->activityId));
$exec->takeAll($transitions);
return $exec;
}
