function release()
{
try {
$this->zookeeper->delete($this->path);
} catch (Scalr_Service_Zookeeper_Exception $e) {
if ($e->getCode() != Scalr_Service_Zookeeper_Exception::NOT_FOUND) {
throw $e;
}
}
}
function nodesCapacity()
{
try {
return $this->zookeeper->get($this->path)->numChildren;
} catch (Scalr_Service_Zookeeper_Exception $e) {
if ($e->getCode() == Scalr_Service_Zookeeper_Exception::NOT_FOUND) {
return 0;
}
throw $e;
}
}
function delete()
{
try {
$this->zookeeper->deleteRecursive($this->path);
} catch (Scalr_Service_Zookeeper_Exception $ignore) {
}
}
function clear()
{
$this->init();
$this->lock->acquire();
try {
foreach ($this->itemNames() as $name) {
$this->zookeeper->delete("{$this->path}/{$name}");
}
$this->lock->release();
} catch (Exception $e) {
$this->lock->release();
throw $e;
}
}
private function setStatus($status)
{
if ($status != self::STATUS_NOTSET) {
try {
$this->zookeeper->set("{$this->path}/status", serialize($status));
} catch (Scalr_Service_Zookeeper_Exception $e) {
if ($e->getCode() == Scalr_Service_Zookeeper_Exception::NOT_FOUND) {
$this->zookeeper->create("{$this->path}/status", serialize($status));
return;
}
throw $e;
}
} else {
try {
$this->zookeeper->delete("{$this->path}/status");
} catch (Scalr_Service_Zookeeper_Exception $ignore) {
}
}
}
/**
* Delete queue and all her items
*/
function delete()
{
$this->zookeeper->deleteRecursive($this->path);
}