public function testRecursion()
{
$a = new A();
$b = new B();
$a->b = $b;
$b->a = $a;
$packer = new Packer(new NullObjectPacker());
$c = $packer->pack($a);
$this->assertTrue($c instanceof A);
$this->assertTrue($c->b instanceof B);
$this->assertFalse($c === $a);
$this->assertFalse($c->b === $b);
$this->assertTrue($c->b->a === $c);
}
/**
* {@inheritdoc}
*/
public function synchronize($key, callable $function)
{
$id = $this->getId();
$lockContext = true;
$serialized = $this->storage->read($id, $key, $lockContext);
try {
$value = $serialized !== null ? $this->packer->unserialize($serialized) : null;
$value = $function($value);
$serialized = $this->packer->serialize($value);
} catch (\Exception $e) {
$this->storage->unlock($lockContext);
throw $e;
}
$this->storage->write($id, $key, $serialized, $lockContext);
return $this->data[$key] = $value;
}
