import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
import org.opendaylight.controller.sal.routing.IListenRoutingUpdates;
import org.opendaylight.controller.sal.routing.IRouting;
import org.opendaylight.controller.switchmanager.ISwitchManager;
import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
import org.opendaylight.controller.sal.routing.IListenRoutingUpdates;
import org.opendaylight.controller.sal.routing.IRouting;
import org.opendaylight.controller.switchmanager.ISwitchManager;