/**
* If workflow message handler receives a collect-data message it forwards the message to this
* method and uses the returned ProcessingMessage as response
*
* @param WorkflowMessage $workflowMessage
* @return ProcessingMessage
*/
protected function handleCollectData(WorkflowMessage $workflowMessage)
{
if ($workflowMessage->payload()->getTypeClass() === 'Prooph\\ProcessingExample\\Type\\SourceUser') {
$userData = (include __DIR__ . '/../../data/user-source-data.php');
if (!$userData) {
return LogMessage::logErrorMsg("Could not read user data from examples/data/user-source-data.php. Please check the permissions", $workflowMessage);
}
$sourceUser = SourceUser::fromNativeValue($userData);
return $workflowMessage->answerWith($sourceUser);
} else {
return LogMessage::logErrorMsg(sprintf('%s: Unknown type %s received', __CLASS__, $workflowMessage->payload()->getTypeClass()), $workflowMessage);
}
}
$dataAsJsonString = json_encode($message->payload());
$answer = $message->answerWithDataProcessingCompleted();
try {
\Zend\Stdlib\ErrorHandler::start();
if (!file_put_contents('data/target-data.txt', $dataAsJsonString)) {
\Zend\Stdlib\ErrorHandler::stop(true);
}
} catch (\Exception $ex) {
$answer = \Prooph\Processing\Message\LogMessage::logException($ex, $message);
}
$eventBus->dispatch($answer);
});
$commandBus->utilize($commandRouter);
$commandBus->utilize(new \Prooph\ServiceBus\InvokeStrategy\CallbackStrategy());
$workflowEngine = new \Prooph\Processing\Processor\RegistryWorkflowEngine();
$workflowEngine->registerCommandBus($commandBus, ['target-file-writer']);
$workflowEngine->registerEventBus($eventBus, [\Prooph\Processing\Processor\Definition::SERVICE_WORKFLOW_PROCESSOR]);
return $workflowEngine;
}
//Let's start the example
$workflowProcessor = set_up_workflow_environment();
//Step 1: Read source data
$userData = (include 'data/user-source-data.php');
//Step 2: Use implementation of Prooph\Processing\Type\Type to validate source data
$user = \Prooph\ProcessingExample\Type\SourceUser::fromNativeValue($userData);
//Step 3: Prepare WorkflowMessage
$userDataCollected = \Prooph\Processing\Message\WorkflowMessage::newDataCollected($user, 'example-script', \Prooph\Processing\Processor\NodeName::defaultName());
//Step 4: Start processing by sending a "data-collected" event to the WorkflowProcessor (simplified step without using an EventBus)
$workflowProcessor->receiveMessage($userDataCollected);
//Done: Check examples/data/target-data.txt. You should see the json representation of user data. If not please check
//output of your console window. The script prints the log of the process on the screen