LockReleasingException example

    public function release(): void
    {
        try {
            try {
                $this->store->delete($this->key);
                $this->dirty = false;
            } catch (LockReleasingException $e) {
                throw $e;
            } catch (\Exception $e) {
                throw new LockReleasingException(sprintf('Failed to release the "%s" lock.', $this->key), 0, $e);
            }

            if ($this->store->exists($this->key)) {
                throw new LockReleasingException(sprintf('Failed to release the "%s" lock, the resource is still locked.', $this->key));
            }

            $this->logger?->debug('Successfully released the "{resource}" lock.', ['resource' => $this->key]);
        } catch (LockReleasingException $e) {
            $this->logger?->notice('Failed to release the "{resource}" lock.', ['resource' => $this->key]);
            throw $e;
        }
    }

public function delete(Key $key)
    {
        if (!$this->exists($key)) {
            return;
        }
        $resource = $this->getKeyResource($key);
        try {
            $this->zookeeper->delete($resource);
        } catch (\ZookeeperException $exception) {
            // For Zookeeper Ephemeral Nodes, the node will be deleted upon session death. But, if we want to unlock             // the lock before proceeding further in the session, the client should be aware of this             throw new LockReleasingException($exception);
        }
    }

    public function exists(Key $key): bool
    {
        $resource = $this->getKeyResource($key);
        try {
            return $this->zookeeper->get($resource) === $this->getUniqueToken($key);
        } catch (\ZookeeperException) {
            return false;
        }
    }