public function elect_returns_null_when_no_member_elected()
{
$f = Failover::using([1, 2, 3, 4, 5])->bySerial();
$this->assertEquals(null, $f->elect(function ($member) {
return false;
}));
}
/**
* Constructor
*
* @param var $url either a URL object or a string
* @throws lang.IllegalArgumentException if string given is unparseable
*/
public function __construct($url)
{
if ($url instanceof Failover) {
$this->failover = $url;
} else {
$this->failover = Failover::using([$url])->byRandom();
}
// Walk through all failover members, to check they all have valid URLs; by returning
// false, indicate to failover to the next available member.
// For BC reasons, if one connection has a log=<category> parameter, read it
// and set it into this objects $cat member.
$this->failover->elect(function ($url) {
$url = self::urlFrom($url);
if (!$this->cat && $url->hasParam('log')) {
$this->setTrace(Logger::getInstance()->getCategory($url->getParam('log')));
}
return false;
});
}