Current File : //data/www_bck/varak.net_bck/ampache.varak.net/modules/Ratchet/Wamp/Topic.php
<?php
namespace Ratchet\Wamp;
use Ratchet\ConnectionInterface;
/**
* A topic/channel containing connections that have subscribed to it
*/
class Topic implements \IteratorAggregate, \Countable {
private $id;
private $subscribers;
/**
* @param string $topicId Unique ID for this object
*/
public function __construct($topicId) {
$this->id = $topicId;
$this->subscribers = new \SplObjectStorage;
}
/**
* @return string
*/
public function getId() {
return $this->id;
}
public function __toString() {
return $this->getId();
}
/**
* Send a message to all the connections in this topic
* @param string $msg
* @return Topic
*/
public function broadcast($msg) {
foreach ($this->subscribers as $client) {
$client->event($this->id, $msg);
}
return $this;
}
/**
* @param WampConnection $conn
* @return boolean
*/
public function has(ConnectionInterface $conn) {
return $this->subscribers->contains($conn);
}
/**
* @param WampConnection $conn
* @return Topic
*/
public function add(ConnectionInterface $conn) {
$this->subscribers->attach($conn);
return $this;
}
/**
* @param WampConnection $conn
* @return Topic
*/
public function remove(ConnectionInterface $conn) {
if ($this->subscribers->contains($conn)) {
$this->subscribers->detach($conn);
}
return $this;
}
/**
* {@inheritdoc}
*/
public function getIterator() {
return $this->subscribers;
}
/**
* {@inheritdoc}
*/
public function count() {
return $this->subscribers->count();
}
}
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