import java.util.concurrent.locks.ReentrantLock;
import javax.inject.Inject;
import javax.inject.Singleton;
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.genius.datastoreutils.listeners.DataTreeEventCallbackRegistrar;
import org.opendaylight.genius.mdsalutil.FlowEntity;
import org.opendaylight.genius.mdsalutil.NwConstants;
import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
import org.opendaylight.genius.utils.JvmGlobalLocks;
+import org.opendaylight.mdsal.binding.api.DataBroker;
import org.opendaylight.netvirt.fibmanager.api.FibHelper;
import org.opendaylight.netvirt.fibmanager.api.RouteOrigin;
import org.opendaylight.serviceutils.upgrade.UpgradeState;