legato-api/src/main/java/org/opendaylight/unimgr/mef/legato/LegatoL2cpPeeringController.java

   1 /*
   2  * Copyright (c) 2018 Xoriant Corporation 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
   9 package org.opendaylight.unimgr.mef.legato;
  10
  11 import com.google.common.base.Optional;
  12
  13 import java.util.Collections;
  14
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  17 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  19 import org.opendaylight.unimgr.api.UnimgrDataTreeChangeListener;
  20 import org.opendaylight.unimgr.mef.legato.util.LegatoConstants;
  21 import org.opendaylight.unimgr.mef.legato.util.LegatoUtils;
  22 import org.opendaylight.yang.gen.v1.urn.mef.yang.mef.global.rev171215.MefGlobal;
  23 import org.opendaylight.yang.gen.v1.urn.mef.yang.mef.global.rev171215.mef.global.L2cpPeeringProfiles;
  24 import org.opendaylight.yang.gen.v1.urn.mef.yang.mef.global.rev171215.mef.global.L2cpPeeringProfilesBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.mef.yang.mef.global.rev171215.mef.global.l2cp.peering.profiles.Profile;
  26 import org.opendaylight.yang.gen.v1.urn.mef.yang.mef.global.rev171215.mef.global.l2cp.peering.profiles.ProfileKey;
  27 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  28 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32
  33 /**
  34  * @author Arif.Hussain@Xoriant.Com
  35  *
  36  */
  37 public class LegatoL2cpPeeringController extends UnimgrDataTreeChangeListener<Profile> {
  38
  39     private static final Logger LOG = LoggerFactory.getLogger(LegatoL2cpPeeringController.class);
  40
  41     private static final InstanceIdentifier<Profile> PROFILE_ID = InstanceIdentifier
  42             .builder(MefGlobal.class).child(L2cpPeeringProfiles.class).child(Profile.class).build();
  43
  44     private static final InstanceIdentifier<L2cpPeeringProfiles> L2CP_PEERING_PROFILES_ID_OPERATIONAL =
  45             InstanceIdentifier.builder(MefGlobal.class).child(L2cpPeeringProfiles.class).build();
  46
  47     private ListenerRegistration<LegatoL2cpPeeringController> dataTreeChangeListenerRegistration;
  48
  49     public LegatoL2cpPeeringController(DataBroker dataBroker) {
  50         super(dataBroker);
  51         registerListener();
  52     }
  53
  54     public void registerListener() {
  55         LOG.info("Initializing LegatoL2cpPeeringController:init() ");
  56
  57         dataTreeChangeListenerRegistration = dataBroker.registerDataTreeChangeListener(
  58                 new DataTreeIdentifier<Profile>(LogicalDatastoreType.CONFIGURATION, PROFILE_ID),
  59                 this);
  60     }
  61
  62
  63     @Override
  64     public void add(DataTreeModification<Profile> newDataObject) {
  65         LOG.info("ClassName :: LegatoL2cpPeeringController, Method:: add(), Message:: Node Added  "
  66                 + newDataObject.getRootNode().getIdentifier());
  67         addToOperationalDB(newDataObject.getRootNode().getDataAfter());
  68     }
  69
  70
  71     public void addToOperationalDB(Profile profileObj) {
  72
  73         LOG.info(" inside addNode()");
  74
  75         try {
  76             assert profileObj != null;
  77             L2cpPeeringProfiles l2cpPeeringProfiles = new L2cpPeeringProfilesBuilder()
  78                     .setProfile(Collections.singletonList(profileObj)).build();
  79             LegatoUtils.addToOperationalDB(l2cpPeeringProfiles, L2CP_PEERING_PROFILES_ID_OPERATIONAL, dataBroker);
  80         } catch (Exception e) {
  81             LOG.error("Error in addNode(). Err: ", e);
  82         }
  83         LOG.info(" ********** END addNode() ****************** ");
  84
  85     }
  86
  87
  88     @Override
  89     public void update(DataTreeModification<Profile> modifiedDataObject) {
  90         if (modifiedDataObject.getRootNode() != null && modifiedDataObject.getRootPath() != null) {
  91             LOG.info(
  92                     "ClassName :: LegatoL2cpPeeringController, Method:: update(), Message:: Node modified  "
  93                             + modifiedDataObject.getRootNode().getIdentifier());
  94
  95             try {
  96                 assert modifiedDataObject.getRootNode().getDataAfter() != null;
  97                 updateFromOperationalDB(modifiedDataObject.getRootNode().getDataAfter());
  98             } catch (Exception ex) {
  99                 LOG.error("error: ", ex);
 100             }
 101         }
 102     }
 103
 104     @SuppressWarnings("unchecked")
 105     public void updateFromOperationalDB(Profile profile) {
 106         assert profile != null;
 107         Optional<Profile> optionalProfile =
 108                 (Optional<Profile>) LegatoUtils.readProfile(LegatoConstants.L2CP_PEERING_PROFILES,
 109                         dataBroker, LogicalDatastoreType.CONFIGURATION,
 110                         InstanceIdentifier.create(MefGlobal.class).child(L2cpPeeringProfiles.class)
 111                                 .child(Profile.class, new ProfileKey(profile.getId())));
 112
 113         if (optionalProfile.isPresent()) {
 114
 115             LegatoUtils.deleteFromOperationalDB(
 116                     InstanceIdentifier.create(MefGlobal.class).child(L2cpPeeringProfiles.class)
 117                             .child(Profile.class, new ProfileKey(profile.getId())),
 118                     dataBroker);
 119
 120             addToOperationalDB(optionalProfile.get());
 121         }
 122
 123     }
 124
 125     @Override
 126     public void remove(DataTreeModification<Profile> removedDataObject) {
 127         if (removedDataObject.getRootNode() != null && removedDataObject.getRootPath() != null) {
 128             LOG.info(
 129                     "ClassName :: LegatoL2cpPeeringController, Method:: remove(), Message:: Node removed  "
 130                             + removedDataObject.getRootNode().getIdentifier());
 131
 132             try {
 133                 assert removedDataObject.getRootNode().getDataBefore() != null;
 134                 deleteFromOperationalDB(removedDataObject.getRootNode().getDataBefore());
 135             } catch (Exception ex) {
 136                 LOG.error("error: ", ex);
 137             }
 138         }
 139     }
 140
 141     public void deleteFromOperationalDB(Profile profile) {
 142         try {
 143             assert profile != null;
 144             LegatoUtils.deleteFromOperationalDB(
 145                     InstanceIdentifier.create(MefGlobal.class).child(L2cpPeeringProfiles.class)
 146                             .child(Profile.class, new ProfileKey(profile.getId())),
 147                     dataBroker);
 148         } catch (Exception ex) {
 149             LOG.error("error: ", ex);
 150         }
 151     }
 152
 153     @Override
 154     public void close() throws Exception {
 155         if (dataTreeChangeListenerRegistration != null) {
 156             dataTreeChangeListenerRegistration.close();
 157         }
 158     }
 159
 160 }