*/
package org.opendaylight.unimgr.mef.nrp.ovs.transaction;
-import com.google.common.base.Optional;
-
import java.util.List;
+import java.util.Optional;
import java.util.stream.Collectors;
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.mdsal.binding.api.DataBroker;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
import org.opendaylight.unimgr.mef.nrp.common.ResourceNotAvailableException;
import org.opendaylight.unimgr.mef.nrp.ovs.util.MdsalUtilsExt;
import org.opendaylight.unimgr.mef.nrp.ovs.util.NullAwareDatastoreGetter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+
/**
* Performs reading transactions related to openflow topology
* during OvsDriver activation/deactivation.