-import java.util.concurrent.Future;
-
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-import org.opendaylight.transportpce.networkmodel.util.OpenRoadmTopology;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.networkutils.rev170818.InitRdmXpdrLinksInput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.networkutils.rev170818.InitRdmXpdrLinksOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.networkutils.rev170818.InitRdmXpdrLinksOutputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.networkutils.rev170818.InitRoadmNodesInput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.networkutils.rev170818.InitRoadmNodesOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.networkutils.rev170818.InitRoadmNodesOutputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.networkutils.rev170818.InitXpdrRdmLinksInput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.networkutils.rev170818.InitXpdrRdmLinksOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.networkutils.rev170818.InitXpdrRdmLinksOutputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.networkutils.rev170818.NetworkutilsService;
+import com.google.common.util.concurrent.ListenableFuture;
+import java.util.Optional;
+import java.util.concurrent.ExecutionException;
+import org.opendaylight.mdsal.binding.api.DataBroker;
+import org.opendaylight.mdsal.binding.api.ReadTransaction;
+import org.opendaylight.mdsal.binding.api.WriteTransaction;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.transportpce.common.NetworkUtils;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.DeleteLinkInput;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.DeleteLinkOutput;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.DeleteLinkOutputBuilder;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitRdmXpdrLinksInput;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitRdmXpdrLinksOutput;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitRdmXpdrLinksOutputBuilder;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitRoadmNodesInput;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitRoadmNodesOutput;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitRoadmNodesOutputBuilder;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitXpdrRdmLinksInput;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitXpdrRdmLinksOutput;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.InitXpdrRdmLinksOutputBuilder;
+import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.networkutils.rev220630.TransportpceNetworkutilsService;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.NetworkId;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.Networks;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.Network;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.rev180226.networks.NetworkKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.LinkId;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.Network1;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.Link;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.network.topology.rev180226.networks.network.LinkKey;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;