/**
* {@inheritDoc}
*/
public function notifyObservers()
{
if ($this->updating) {
throw SubjectException::alreadyUpdating();
}
$this->resetInterrupt();
$this->updating = true;
/** @var ObserverInterface $observer */
foreach ($this->getObservers() as $observers) {
foreach ($observers as $observer) {
try {
$observer->receiveUpdate($this);
} catch (Exception $exception) {
$this->updating = false;
throw $exception;
}
if ($this->reason) {
$this->updating = false;
throw $this->reason;
}
}
}
$this->updating = false;
}
/**
* Make sure that we get the message we are expecting.
*/
public function testNotUpdating()
{
$this->assertEquals('There is no update in progress to interrupt.', SubjectException::notUpdating()->getMessage(), 'Make sure we get the right message.');
}