src/main/java/org/onap/nbi/apis/hub/service/NotificationAspect.java

   1 /**
   2  *     Copyright (c) 2018 Orange
   3  *
   4  *     Licensed under the Apache License, Version 2.0 (the "License");
   5  *     you may not use this file except in compliance with the License.
   6  *     You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  *     Unless required by applicable law or agreed to in writing, software
  11  *     distributed under the License is distributed on an "AS IS" BASIS,
  12  *     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  *     See the License for the specific language governing permissions and
  14  *     limitations under the License.
  15  */
  16
  17 package org.onap.nbi.apis.hub.service;
  18
  19 import org.aspectj.lang.JoinPoint;
  20 import org.aspectj.lang.annotation.AfterReturning;
  21 import org.aspectj.lang.annotation.Aspect;
  22 import org.onap.nbi.apis.hub.model.Event;
  23 import org.onap.nbi.apis.hub.model.EventType;
  24 import org.onap.nbi.apis.hub.repository.SubscriberRepository;
  25 import org.onap.nbi.apis.serviceorder.model.ServiceOrder;
  26 import org.onap.nbi.apis.serviceorder.model.ServiceOrderItem;
  27 import org.onap.nbi.apis.serviceorder.model.StateType;
  28 import org.springframework.beans.factory.annotation.Autowired;
  29 import org.springframework.beans.factory.annotation.Configurable;
  30 import org.springframework.stereotype.Component;
  31
  32 @Aspect
  33 @Component
  34 @Configurable
  35 public class NotificationAspect {
  36
  37     @Autowired
  38     private SubscriberRepository subscriberRepository;
  39
  40     @Autowired
  41     private NotifierService notifier;
  42
  43     @AfterReturning(
  44             value = "execution(* org.onap.nbi.apis.serviceorder.service.ServiceOrderService"
  45                     + ".createServiceOrder(..))",
  46             returning = "serviceOrderCreated")
  47     public void whenCreateServiceOrder(ServiceOrder serviceOrderCreated) {
  48         if (StateType.ACKNOWLEDGED.equals(serviceOrderCreated.getState())) {
  49             processEvent(EventFactory.getEvent(EventType.SERVICE_ORDER_CREATION, serviceOrderCreated, null));
  50         }
  51     }
  52
  53     @AfterReturning(
  54             value = "execution(* org.onap.nbi.apis.serviceorder.service.ServiceOrderService" + ".updateOrderState(..))",
  55             returning = "serviceOrderUpdated")
  56     public void whenUpdateServiceOrderState(ServiceOrder serviceOrderUpdated) {
  57         if (StateType.COMPLETED.equals(serviceOrderUpdated.getState())
  58                 || StateType.FAILED.equals(serviceOrderUpdated.getState())) {
  59             processEvent(EventFactory.getEvent(EventType.SERVICE_ORDER_STATE_CHANGE, serviceOrderUpdated, null));
  60         }
  61     }
  62
  63     @AfterReturning(
  64             value = "execution(* org.onap.nbi.apis.serviceorder.service.ServiceOrderService"
  65                     + ".updateOrderItemState(..))")
  66     public void whenUpdateServiceOrderItemState(JoinPoint joinPoint) {
  67         Object[] signatureArgs = joinPoint.getArgs();
  68
  69         if (signatureArgs != null && signatureArgs.length == 3) {
  70             ServiceOrder serviceOrder = (ServiceOrder) signatureArgs[0];
  71             ServiceOrderItem serviceOrderItem = (ServiceOrderItem) signatureArgs[1];
  72             StateType serviceOrderItemState = (StateType) signatureArgs[2];
  73
  74             processEvent(
  75                     EventFactory.getEvent(EventType.SERVICE_ORDER_ITEM_STATE_CHANGE, serviceOrder, serviceOrderItem));
  76         }
  77     }
  78
  79     /**
  80      * Retreive subscribers that match an event and fire notification
  81      * asynchronously
  82      *
  83      * @param event
  84      */
  85     private void processEvent(Event event) {
  86         subscriberRepository.findSubscribersUsingEvent(event).forEach(sub -> notifier.run(sub, event));
  87     }
  88 }