..caution::

The same instance of ``LockInterface`` won't block when calling ``acquire``

multiple times. If several services share the same ``lock`` service, they

won't lock each other, use ``LockFactory`` instead.

multiple times. Inside the same process, when several services share the

same instance of ``LockInterface``, they won't lock each other. When the

same process run concurent tasks, inject the ``LockFactory`` instead.

Locking a Dynamic Resource