def _init_engine(self):
"""
Initialize the Wok Engine.
"""
self.logger.info("Initializing Wok engine ...")
self.engine = WokEngine(self.conf)
self.engine.case_state_changed.connect(self._case_state_changed)
self.engine.case_started.connect(self._case_started)
self.engine.case_finished.connect(self._case_finished)
self.engine.case_removed.connect(self._case_removed)
