public static function getInstance(EventMessageInterface $event, \ReflectionMethod $handlerMethod)
{
$reader = new AnnotationReader();
$handlerAnnotation = $reader->getMethodAnnotation($handlerMethod, SagaEventHandler::class);
$associationProperty = PropertyAccessStrategy::getProperty($event->getPayload(), $handlerAnnotation->associationProperty);
if (null === $associationProperty) {
throw new \RuntimeException(sprintf("SagaEventHandler %s::%s defines a property %s that is not " . "defined on the Event it declares to handle (%s)", $handlerMethod->class, $handlerMethod->name, $handlerAnnotation->associationProperty, $event->getPayloadType()));
}
$associationKey = empty($handlerAnnotation->keyName) ? $handlerAnnotation->associationProperty : $handlerAnnotation->keyName;
$startAnnotation = $reader->getMethodAnnotation($handlerMethod, StartSaga::class);
if (null === $startAnnotation) {
$sagaCreationPolicy = SagaCreationPolicy::NONE;
} else {
if ($startAnnotation->forceNew) {
$sagaCreationPolicy = SagaCreationPolicy::ALWAYS;
} else {
$sagaCreationPolicy = SagaCreationPolicy::IF_NONE_FOUND;
}
}
return new SagaMethodMessageHandler($sagaCreationPolicy, $associationKey, $associationProperty, $handlerMethod, $reader);
}
public function testPropertyIsNullIfNotResolved()
{
$property = PropertyAccessStrategy::getProperty($this->target, 'foobar');
$this->assertNull($property);
}