/**
* Deattaches the passed synchronizable instance from the registry, destroys it, and
* deletes all data from the APCu if no more instances are registered.
*
* @param \AppserverIo\Synchronizable\SynchronizableInterface $synchronizable The instance to be destroyed
*
* @return void
* @throws \RuntimeException Is thrown if the data can't be deleted from APCu
*/
public static function destroy(SynchronizableInterface $synchronizable)
{
// load the serial
$serial = $synchronizable->__serial();
// detach the instance
Registry::detach($synchronizable);
// destroy the instance
unset($synchronizable);
// check if we've to destroy the data here
if (apc_exists($serial) && apc_fetch($serial) === 0 && Registry::hasData($serial)) {
$iterator = new \ApcIterator('user', '/^' . $serial . '\\./');
foreach ($iterator as $key => $value) {
if (apc_delete($key) === false) {
throw new \RuntimeException(sprintf('Can\'t delete property for %s::%s (%s) instance', get_class($synchronizable), $key, $serial));
}
}
}
}
/**
* Tests synchronization by using a mutex.
*
* @return void
*/
public function testSynchronizeCounterWithMutex()
{
// set the counter to ZERO
$this->object->counter = 0;
// initialize array containing the threads
$threads = array();
// initialize the mutex
$mutex = \Mutex::create();
// initialize the threads and start them
for ($i = 0; $i < 2; $i++) {
$threads[$i] = new RaiseCounterThread($this->object, $mutex);
$threads[$i]->start();
}
// wait for the threads to be finished
for ($i = 0; $i < 2; $i++) {
$threads[$i]->join();
}
// check the object status
$this->assertSame(10000, $this->object->counter);
$this->assertSame(1, Registry::refCount($this->object));
$this->assertTrue(Registry::hasData($this->object->__serial()));
}
