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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.notification.services.impl;
import com.datastax.driver.core.utils.UUIDs;
import org.apache.commons.collections4.CollectionUtils;
import org.openecomp.core.utilities.json.JsonUtil;
import org.openecomp.sdc.destinationprovider.DestinationProvider;
import org.openecomp.sdc.notification.dao.NotificationsDao;
import org.openecomp.sdc.notification.dao.types.NotificationEntity;
import org.openecomp.sdc.notification.dtos.Event;
import org.openecomp.sdc.notification.services.PropagationService;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.stream.Collectors;
import static java.util.Objects.requireNonNull;
public class PropagationServiceImpl implements PropagationService {
private NotificationsDao notificationsDao;
public PropagationServiceImpl(NotificationsDao notificationsDao) {
this.notificationsDao = notificationsDao;
}
@Override
public void notify(Event event, DestinationProvider destinationProvider) {
requireNonNull(event.getEventType());
requireNonNull(event.getOriginatorId());
List<String> subscribers = destinationProvider.getSubscribers();
if (CollectionUtils.isEmpty(subscribers)) {
return;
}
List<NotificationEntity> notificationEntities = subscribers.stream().map(
subscriber -> {
UUID eventId = UUIDs.timeBased();
return createNotificationEntity(event.getEventType(), subscriber,
event.getOriginatorId(), event.getAttributes(), eventId);
}).collect(Collectors.toList());
if(CollectionUtils.isNotEmpty(notificationEntities)) {
notificationsDao.createBatch(notificationEntities);
}
}
private NotificationEntity createNotificationEntity(String eventType, String subscriber,
String originatorId,
Map<String, Object> attributes,
UUID eventId) {
NotificationEntity notificationEntity =
new NotificationEntity(subscriber, eventId, eventType, originatorId);
if (attributes != null && !attributes.isEmpty()) {
notificationEntity.setEventAttributes(JsonUtil.object2Json(attributes));
}
return notificationEntity;
}
}
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