public function getTaskByStateAndEvent(StateMachineInterface $state_machine, ProjectionInterface $resource, $event)
{
$workflow_subject = new WorkflowSubject($state_machine->getName(), $resource);
$state_machine->execute($workflow_subject, $event);
$workflow_context = $workflow_subject->getExecutionContext();
if (!$workflow_context->hasParameter('task_action')) {
throw new RuntimeError('Expected "task_action" parameter to be set after workflow execution.');
}
return $workflow_context->getParameter('task_action')->toArray();
}
/**
* Transition to the next workflow state (next state of the state machine based on the command paylaod).
*
* @param ProceedWorkflowCommand $workflow_command
* @param StateMachineInterface $state_machine
*/
public function proceedWorkflow(ProceedWorkflowCommand $workflow_command, StateMachineInterface $state_machine)
{
$this->guardCommandPreConditions($workflow_command);
if ($workflow_command->getCurrentStateName() !== $this->getWorkflowState()) {
throw new RuntimeError(sprintf('The AR\'s(%s) current state %s does not match the given command state %s.', $this, $this->getWorkflowState(), $workflow_command->getCurrentStateName()));
}
$workflow_subject = new WorkflowSubject($state_machine->getName(), $this);
$state_machine->execute($workflow_subject, $workflow_command->getEventName());
$workflow_data = ['workflow_state' => $workflow_subject->getCurrentStateName(), 'workflow_parameters' => $workflow_subject->getWorkflowParameters()];
$proceeded_event = $this->processCommand($workflow_command, ['data' => $workflow_data]);
if (!$proceeded_event instanceof WorkflowProceededEvent) {
throw new RuntimeError(sprintf('Corrupt event type detected. Events that reflect workflow transitions must descend from %s.', WorkflowProceededEvent::CLASS));
}
$this->applyEvent($proceeded_event);
}