networkmodel/src/main/java/org/opendaylight/transportpce/networkmodel/listeners/PortMappingListener.java

   1 /*
   2  * Copyright © 2021 Orange.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.transportpce.networkmodel.listeners;
   9
  10 import java.util.LinkedList;
  11 import java.util.List;
  12 import org.eclipse.jdt.annotation.NonNull;
  13 import org.opendaylight.mdsal.binding.api.DataTreeChangeListener;
  14 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  15 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  16 import org.opendaylight.transportpce.networkmodel.service.NetworkModelService;
  17 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev231221.mapping.Mapping;
  18 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev231221.network.Nodes;
  19 import org.opendaylight.yangtools.yang.binding.DataObjectStep;
  20 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  21
  22 public class PortMappingListener implements DataTreeChangeListener<Mapping> {
  23
  24     private final NetworkModelService networkModelService;
  25
  26     public PortMappingListener(NetworkModelService networkModelService) {
  27         this.networkModelService = networkModelService;
  28     }
  29
  30     @Override
  31     public void onDataTreeChanged(@NonNull List<DataTreeModification<Mapping>> changes) {
  32         for (DataTreeModification<Mapping> change : changes) {
  33             Mapping oldMapping = change.getRootNode().dataBefore();
  34             if (oldMapping == null) {
  35                 continue;
  36             }
  37             Mapping newMapping = change.getRootNode().dataAfter();
  38             if (newMapping == null) {
  39                 continue;
  40             }
  41             if (oldMapping.getPortAdminState().equals(newMapping.getPortAdminState())
  42                     && oldMapping.getPortOperState().equals(newMapping.getPortOperState())) {
  43                 return;
  44             }
  45             networkModelService.updateOpenRoadmTopologies(
  46                 getNodeIdFromMappingDataTreeIdentifier(change.getRootPath()),
  47                 newMapping);
  48         }
  49     }
  50
  51     protected String getNodeIdFromMappingDataTreeIdentifier(DataTreeIdentifier<Mapping> dataTreeIdentifier) {
  52         LinkedList<DataObjectStep<?>> path = new LinkedList<>();
  53         dataTreeIdentifier.path().getPathArguments().forEach(p -> path.add(p));
  54         path.removeLast();
  55         InstanceIdentifier<Nodes> portMappingNodeID = InstanceIdentifier.unsafeOf(path);
  56         return InstanceIdentifier.keyOf(portMappingNodeID).getNodeId();
  57     }
  58 }