/**
* Process the decision event, generating a decision response (included in the DecisionEvent)
*
* @param DecisionEvent $event
*/
public function processDecisionEvent(DecisionEvent $event)
{
$history = $event->getHistory();
$decision = $event->getDecision();
$tasks = $this->getWorkflow()->getTasks();
// Create a memory pool jailed to this execution
$memory_pool = $this->getWorkflow()->getJailMemoryPool() ? JailedMemoryPool::jail($this->getMemoryPool(), ':' . $event->getExecutionId()) : $this->getMemoryPool();
// Check if we need to execute any task events
/** @var WorkflowHistoryItem $history_item */
foreach ($history as $history_item) {
$id = $history_item->getEventId();
if ($history_item->getState() == HistoryItemState::COMPLETED()) {
if ($memory_pool->get('history:' . $id . ':completed') === null) {
$this->runTaskDecider($history_item, $decision, $memory_pool);
$memory_pool->set('history:' . $id . ':completed', 1);
}
}
}
// Check if we need to fail
if ($this->getFailOnActivityFailure() && $history->hasActivityFailure() || $history->hasWorkflowFailed()) {
$decision->setWorkflowResult(WorkflowResult::FAIL());
$decision->setReason(implode(", ", $history->getErrorMessages()));
return;
}
// Check if we need to schedule
$parser = new InputParser($history, $memory_pool);
$scheduler = new Scheduler($history, $memory_pool);
foreach ($tasks as $task) {
if ($scheduler->canScheduleTask($task)) {
$decision->scheduledTask($parser->compileTaskInput($task));
}
}
// Check if we need to complete
if (count($decision->getScheduledTasks()) == 0 && !$scheduler->haveOpenActivities()) {
$decision->setWorkflowResult(WorkflowResult::COMPLETE());
}
}
/**
* Add history from a Guzzle object to the workflow
*
* @param DecisionEvent $event
* @param Model $model
*/
private function addHistory(DecisionEvent $event, Model $model)
{
$history = $event->getHistory();
$items = $model->get('events');
foreach ($items as $item) {
$this->parseHistoryItem($history, $item);
}
}
public function testActivityFail()
{
Conf::init(__DIR__ . '/../../../../config/');
$memory_pool = new RedisMemoryPool('decider-tests', 60, Conf::get('redis'));
$decider = new Decider();
$decider->setWorkflow(new YamlWorkflow(__DIR__ . '/../Resources/TestSchema.yml'));
$decider->setMemoryPool($memory_pool);
// Workflow started -
$event1 = new DecisionEvent();
$decider->processDecisionEvent($event1);
$this->assertCount(1, $event1->getDecision()->getScheduledTasks());
$this->assertEquals(WorkflowResult::COMMAND(), $event1->getDecision()->getWorkflowResult());
$task = $event1->getDecision()->getScheduledTasks()[0];
$this->assertEquals('alpha', $task->getControl());
// Task 1 failed -
$alpha = new WorkflowHistoryItem('1');
$alpha->setActivityName('test-activity')->setActivityVersion('1');
$alpha->setTimeScheduled(new \DateTime('2014-10-10 10:01:00'));
$alpha->setTimeStarted(new \DateTime('2014-10-10 10:00:00'));
$alpha->setTimeEnded(new \DateTime('2014-10-10 10:04:00'));
$alpha->setState(HistoryItemState::FAILED());
$alpha->setErrorMessage('Test failure');
$alpha->setControl('alpha')->setInput('alpha')->setResult(">.<");
$event2 = new DecisionEvent();
$event2->getHistory()->add($alpha);
$decider->processDecisionEvent($event2);
$this->assertCount(0, $event2->getDecision()->getScheduledTasks());
$this->assertEquals(WorkflowResult::FAIL(), $event2->getDecision()->getWorkflowResult());
}
