tapi/src/main/java/org/opendaylight/transportpce/tapi/utils/TapiListener.java

   1 /*
   2  * Copyright © 2018 Orange and others.  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.tapi.utils;
   9
  10 import java.util.List;
  11 import org.eclipse.jdt.annotation.NonNull;
  12 import org.opendaylight.mdsal.binding.api.DataObjectModification;
  13 import org.opendaylight.mdsal.binding.api.DataTreeChangeListener;
  14 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.tapi.rev230728.ServiceInterfacePoints;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.tapi.rev230728.service._interface.points.ServiceEndPoint;
  17 import org.opendaylight.yangtools.yang.binding.DataObject;
  18 import org.slf4j.Logger;
  19 import org.slf4j.LoggerFactory;
  20
  21 public class TapiListener implements DataTreeChangeListener<ServiceInterfacePoints> {
  22
  23     private static final Logger LOG = LoggerFactory.getLogger(TapiListener.class);
  24     private static final String SE_JAVA_INTF =
  25         "interface org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.tapi.rev180928"
  26             + ".service._interface.points.ServiceEndPoint";
  27
  28     @Override
  29     public void onDataTreeChanged(@NonNull List<DataTreeModification<ServiceInterfacePoints>> changes) {
  30         LOG.info("onDataTreeChanged in TapiListener");
  31         for (DataTreeModification<ServiceInterfacePoints> change : changes) {
  32             DataObjectModification<ServiceInterfacePoints> rootSIP = change.getRootNode();
  33             switch (rootSIP.modificationType()) {
  34                 case WRITE:
  35                     LOG.info("onDataTreeChanged in TapiListener : WRITE");
  36                     MappingUtils.deleteMap();
  37                     for (ServiceEndPoint sep : rootSIP.dataAfter().getServiceEndPoint().values()) {
  38                         MappingUtils.addMapSEP(sep);
  39                     }
  40                     MappingUtils.afficheMap();
  41                     break;
  42                 case SUBTREE_MODIFIED:
  43                     LOG.info("onDataTreeChanged in TapiListener : SUBTREE_MODIFIED");
  44                     for (DataObjectModification<? extends DataObject> dom :
  45                             rootSIP.getModifiedChildren(ServiceEndPoint.class)) {
  46                         // to delete existing child entry
  47                         DataObject dataAfter = dom.dataAfter();
  48                         if (dataAfter == null) {
  49                             MappingUtils.deleteMapEntry(((ServiceEndPoint) dom.dataBefore()).getUuid());
  50                             MappingUtils.afficheMap();
  51                             continue;
  52                         }
  53                         // to add new child entry
  54                         if (dom.dataBefore() != null || dom.dataType().toString().compareTo(SE_JAVA_INTF) != 0) {
  55                             LOG.error("data input type is not a valid 'service-end-point'");
  56                             continue;
  57                         }
  58                         MappingUtils.addMapSEP((ServiceEndPoint) dataAfter);
  59                         MappingUtils.afficheMap();
  60                     }
  61                     break;
  62                 case DELETE:
  63                     LOG.info("onDataTreeChanged in TapiListener : DELETE");
  64                     MappingUtils.deleteMap();
  65                     break;
  66                 default:
  67                     LOG.error("Error of API REST modification type");
  68                     break;
  69             }
  70
  71         }
  72     }
  73
  74 }