nbinotifications/src/main/java/org/opendaylight/transportpce/nbinotifications/impl/rpc/DeleteNotificationSubscriptionServiceImpl.java

   1 /*
   2  * Copyright © 2024 Orange, Inc. 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.nbinotifications.impl.rpc;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import java.util.Map;
  12 import java.util.NoSuchElementException;
  13 import java.util.Optional;
  14 import java.util.concurrent.ExecutionException;
  15 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  16 import org.opendaylight.transportpce.common.network.NetworkTransactionService;
  17 import org.opendaylight.transportpce.nbinotifications.utils.TopicManager;
  18 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev221121.Context;
  19 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev221121.Uuid;
  20 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.notification.rev221121.Context1;
  21 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.notification.rev221121.DeleteNotificationSubscriptionService;
  22 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.notification.rev221121.DeleteNotificationSubscriptionServiceInput;
  23 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.notification.rev221121.DeleteNotificationSubscriptionServiceOutput;
  24 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.notification.rev221121.DeleteNotificationSubscriptionServiceOutputBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.notification.rev221121.context.NotificationContext;
  26 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.notification.rev221121.notification.context.NotifSubscription;
  27 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.notification.rev221121.notification.context.NotifSubscriptionKey;
  28 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.notification.rev221121.notification.subscription.service.SubscriptionFilter;
  29 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.notification.rev221121.notification.subscription.service.SubscriptionFilterKey;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.opendaylight.yangtools.yang.common.ErrorType;
  32 import org.opendaylight.yangtools.yang.common.RpcResult;
  33 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37
  38 public class DeleteNotificationSubscriptionServiceImpl implements DeleteNotificationSubscriptionService {
  39     private static final Logger LOG = LoggerFactory.getLogger(DeleteNotificationSubscriptionServiceImpl.class);
  40
  41     private final NetworkTransactionService networkTransactionService;
  42     private final TopicManager topicManager;
  43
  44     public DeleteNotificationSubscriptionServiceImpl(
  45             NetworkTransactionService networkTransactionService, TopicManager topicManager) {
  46         this.networkTransactionService = networkTransactionService;
  47         this.topicManager = topicManager;
  48     }
  49
  50     @Override
  51     public ListenableFuture<RpcResult<DeleteNotificationSubscriptionServiceOutput>> invoke(
  52             DeleteNotificationSubscriptionServiceInput input) {
  53         try {
  54             if (input == null || input.getUuid() == null) {
  55                 LOG.warn("Missing mandatory params for input {}", input);
  56                 return RpcResultBuilder.<DeleteNotificationSubscriptionServiceOutput>failed()
  57                     .withError(ErrorType.RPC, "Missing input parameters")
  58                     .buildFuture();
  59             }
  60             Uuid notifSubsUuid = input.getUuid();
  61             InstanceIdentifier<NotifSubscription> notifSubscriptionIID = InstanceIdentifier.builder(Context.class)
  62                 .augmentation(Context1.class)
  63                 .child(NotificationContext.class)
  64                 .child(NotifSubscription.class, new NotifSubscriptionKey(notifSubsUuid))
  65                 .build();
  66             Optional<NotifSubscription> optionalNotifSub = this.networkTransactionService
  67                 .read(LogicalDatastoreType.OPERATIONAL, notifSubscriptionIID)
  68                 .get();
  69             if (optionalNotifSub.isEmpty()) {
  70                 return RpcResultBuilder.<DeleteNotificationSubscriptionServiceOutput>failed()
  71                     .withError(ErrorType.APPLICATION, "Notification subscription doesnt exist")
  72                     .buildFuture();
  73             }
  74             NotifSubscription notifSubscription = optionalNotifSub.orElseThrow();
  75             this.networkTransactionService.delete(LogicalDatastoreType.OPERATIONAL, notifSubscriptionIID);
  76             this.networkTransactionService.commit().get();
  77             for (Map.Entry<SubscriptionFilterKey, SubscriptionFilter> sfEntry :
  78                     notifSubscription.getSubscriptionFilter().entrySet()) {
  79                 for (Uuid objectUuid:sfEntry.getValue().getRequestedObjectIdentifier()) {
  80                     this.topicManager.deleteTapiTopic(objectUuid.getValue());
  81                 }
  82             }
  83             return RpcResultBuilder
  84                 .success(new DeleteNotificationSubscriptionServiceOutputBuilder().build())
  85                 .buildFuture();
  86         } catch (InterruptedException | ExecutionException | NoSuchElementException e) {
  87             LOG.error("Failed to delete Notification subscription service", e);
  88         }
  89         return RpcResultBuilder.<DeleteNotificationSubscriptionServiceOutput>failed()
  90             .withError(ErrorType.APPLICATION, "Failed to delete notification subscription service")
  91             .buildFuture();
  92     }
  93 }