public function onError(ResourceEvent $event)
{
$key = $event->getParam('key');
$keys = [];
$file = $this->getFile();
if (file_exists($file)) {
$keys = json_decode(file_get_contents($file), true) ?: $keys;
}
$keys[] = $key;
$keys = array_unique($keys);
file_put_contents($file, json_encode($keys), LOCK_EX);
}
/**
* @param array $keys
* @return Adapter\AbstractResourceAdapter
*/
protected function resourceLoopConnect(array $keys)
{
$resource = null;
$event = new ResourceEvent();
$event->setTarget($this);
$event->setParam('keys', $keys);
$event->setName(ResourceEvent::EVENT_CONNECTION_PRE);
$results = $this->getEventManager()->triggerEvent($event);
if (is_array($results->last())) {
$keys = array_diff($keys, $results->last());
}
foreach ($keys as $key) {
$event->setParam('key', $key);
$event->setParam('resource', $this->getResource($key));
try {
$resource = $this->getResource($key)->connect();
$event->setName(ResourceEvent::EVENT_CONNECTION_SUCCESS);
$this->getEventManager()->triggerEvent($event);
break;
} catch (ConnectionException $e) {
$event->setParam('exception', $e);
$event->setName(ResourceEvent::EVENT_CONNECTION_ERROR);
$results = $this->getEventManager()->triggerEvent($event);
$last = $results->last();
if ($last instanceof ResourceInterface) {
$resource = $last->connect();
break;
}
}
}
if (!$resource) {
throw new \RuntimeException('All server is broken.', 0, $event->getParam('exception'));
}
return $resource;
}
