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<?php |
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namespace PamiModule\Listener; |
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use Zend\EventManager\EventInterface; |
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use Zend\EventManager\EventManagerInterface; |
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use Zend\EventManager\ListenerAggregateInterface; |
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use Zend\EventManager\ListenerAggregateTrait; |
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/** |
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* Class ConnectionStatusListener. |
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*/ |
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class ConnectionStatusListener implements ListenerAggregateInterface |
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{ |
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use ListenerAggregateTrait; |
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/** |
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* @var bool |
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*/ |
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protected $connected = false; |
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/** |
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* Attach one or more listeners. |
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* |
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* Implementors may add an optional $priority argument; the EventManager |
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* implementation will pass this to the aggregate. |
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* |
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* @param EventManagerInterface $events |
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* @param int $priority |
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*/ |
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public function attach(EventManagerInterface $events, $priority = 1) |
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{ |
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$this->listeners[] = $events->attach('connect.pre', [$this, 'onConnect'], $priority); |
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$this->listeners[] = $events->attach('disconnect.pre', [$this, 'onDisconnect'], $priority); |
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$this->listeners[] = $events->attach('process.pre', [$this, 'onProcess'], $priority); |
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$this->listeners[] = $events->attach('sendAction.pre', [$this, 'onSendAction'], $priority); |
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} |
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/** |
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* Triggered on connect. |
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* |
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* @param EventInterface $event The triggered event |
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*/ |
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public function onConnect(EventInterface $event) |
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{ |
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if ($this->connected) { |
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$event->stopPropagation(true); |
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} |
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$this->connected = true; |
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} |
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/** |
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* Triggered on disconnect. |
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* |
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* @param EventInterface $event The triggered event |
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*/ |
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public function onDisconnect(EventInterface $event) |
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{ |
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if (!$this->connected) { |
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$event->stopPropagation(true); |
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} else { |
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$this->connected = false; |
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} |
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} |
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/** |
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* Triggered on process. |
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* |
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* @param EventInterface $event The triggered event |
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*/ |
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public function onProcess(EventInterface $event) |
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{ |
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if (!$this->connected) { |
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/** @var \PamiModule\Service\Client $client */ |
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$client = $event->getTarget(); |
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$client->connect(); |
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} |
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} |
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/** |
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* Triggered on sendAction. |
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* |
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* @param EventInterface $event The triggered event |
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*/ |
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public function onSendAction(EventInterface $event) |
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{ |
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if (!$this->connected) { |
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/** @var \PamiModule\Service\Client $client */ |
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$client = $event->getTarget(); |
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$client->connect(); |
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} |
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} |
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} |
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thomasvargiu /
pami-module
