openecomp-be/lib/openecomp-sdc-notification-lib/openecomp-sdc-notification-core/src/main/java/org/openecomp/sdc/notification/services/impl/PropagationServiceImpl.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * SDC
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.openecomp.sdc.notification.services.impl;
  22
  23 import com.datastax.driver.core.utils.UUIDs;
  24 import org.apache.commons.collections4.CollectionUtils;
  25 import org.openecomp.core.utilities.json.JsonUtil;
  26 import org.openecomp.sdc.destinationprovider.DestinationProvider;
  27 import org.openecomp.sdc.notification.dao.NotificationsDao;
  28 import org.openecomp.sdc.notification.dao.types.NotificationEntity;
  29 import org.openecomp.sdc.notification.dtos.Event;
  30 import org.openecomp.sdc.notification.services.PropagationService;
  31
  32 import java.util.List;
  33 import java.util.Map;
  34 import java.util.UUID;
  35 import java.util.stream.Collectors;
  36
  37 import static java.util.Objects.requireNonNull;
  38
  39 public class PropagationServiceImpl implements PropagationService {
  40
  41     private NotificationsDao notificationsDao;
  42
  43     public PropagationServiceImpl(NotificationsDao notificationsDao) {
  44         this.notificationsDao = notificationsDao;
  45     }
  46
  47
  48     @Override
  49     public void notify(Event event, DestinationProvider destinationProvider) {
  50         requireNonNull(event.getEventType());
  51         requireNonNull(event.getOriginatorId());
  52         List<String> subscribers = destinationProvider.getSubscribers();
  53         if (CollectionUtils.isEmpty(subscribers)) {
  54             return;
  55         }
  56         List<NotificationEntity> notificationEntities = subscribers.stream().map(
  57             subscriber -> {
  58                 UUID eventId = UUIDs.timeBased();
  59                 return createNotificationEntity(event.getEventType(), subscriber,
  60                     event.getOriginatorId(), event.getAttributes(), eventId);
  61             }).collect(Collectors.toList());
  62         if(CollectionUtils.isNotEmpty(notificationEntities)) {
  63             notificationsDao.createBatch(notificationEntities);
  64         }
  65     }
  66
  67     private NotificationEntity createNotificationEntity(String eventType, String subscriber,
  68                                                         String originatorId,
  69                                                         Map<String, Object> attributes,
  70                                                         UUID eventId) {
  71         NotificationEntity notificationEntity =
  72             new NotificationEntity(subscriber, eventId, eventType, originatorId);
  73         if (attributes != null && !attributes.isEmpty()) {
  74             notificationEntity.setEventAttributes(JsonUtil.object2Json(attributes));
  75         }
  76         return notificationEntity;
  77     }
  78 }