Prose\UsingZookeeper::write PHP Метод

    public function write($key, $value)
    {
        // what are we doing?
        $log = usingLog()->startAction("set '{$key}' to '{$value}' in Zookeeper");
        // make sure the path exists
        $this->ensurePathToKeyExists($key);
        // now we can safely set the key itself
        if (!$this->zk->exists($key)) {
            if (!$this->zk->create($key, $value, $this->default_acl)) {
                throw new E5xx_ActionFailed(__METHOD__);
            }
        } else {
            if (!$this->zk->set($key, $value)) {
                throw new E5xx_ActionFailed(__METHOD__);
            }
        }
        // all done
        $log->endAction();
    }