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 package org.onap.nbi.apis.hub.service;
  17
  18 import org.aspectj.lang.JoinPoint;
  19 import org.aspectj.lang.annotation.AfterReturning;
  20 import org.aspectj.lang.annotation.Aspect;
  21 import org.onap.nbi.apis.hub.model.Event;
  22 import org.onap.nbi.apis.hub.model.EventType;
  23 import org.onap.nbi.apis.hub.repository.SubscriberRepository;
  24 import org.onap.nbi.apis.serviceorder.model.ServiceOrder;
  25 import org.onap.nbi.apis.serviceorder.model.ServiceOrderItem;
  26 import org.onap.nbi.apis.serviceorder.model.StateType;
  27 import org.springframework.beans.factory.annotation.Autowired;
  28 import org.springframework.beans.factory.annotation.Configurable;
  29 import org.springframework.stereotype.Component;
  30
  31 @Aspect
  32 @Component
  33 @Configurable
  34 public class NotificationAspect {
  35
  36     @Autowired
  37     private SubscriberRepository subscriberRepository;
  38
  39     @Autowired
  40     private NotifierService notifier;
  41
  42     @AfterReturning(value = "execution(* org.onap.nbi.apis.serviceorder.service.ServiceOrderService" +
  43             ".createServiceOrder(..))", returning = "serviceOrderCreated")
  44     public void whenCreateServiceOrder(ServiceOrder serviceOrderCreated) {
  45         if(StateType.ACKNOWLEDGED.equals(serviceOrderCreated.getState())) {
  46             processEvent(EventFactory.getEvent(EventType.SERVICE_ORDER_CREATION, serviceOrderCreated, null));
  47         }
  48     }
  49
  50     @AfterReturning(value = "execution(* org.onap.nbi.apis.serviceorder.service.ServiceOrderService" +
  51             ".updateOrderState(..))", returning = "serviceOrderUpdated")
  52     public void whenUpdateServiceOrderState(ServiceOrder serviceOrderUpdated) {
  53         if(StateType.COMPLETED.equals(serviceOrderUpdated.getState())||
  54                 StateType.FAILED.equals(serviceOrderUpdated.getState())) {
  55             processEvent(EventFactory.getEvent(EventType.SERVICE_ORDER_STATE_CHANGE, serviceOrderUpdated, null));
  56         }
  57     }
  58
  59     @AfterReturning(value = "execution(* org.onap.nbi.apis.serviceorder.service.ServiceOrderService" +
  60             ".updateOrderItemState(..))")
  61     public void whenUpdateServiceOrderItemState(JoinPoint joinPoint) {
  62         Object[] signatureArgs = joinPoint.getArgs();
  63
  64         if(signatureArgs != null && signatureArgs.length == 3) {
  65             ServiceOrder serviceOrder = (ServiceOrder) signatureArgs[0];
  66             ServiceOrderItem serviceOrderItem = (ServiceOrderItem) signatureArgs[1];
  67             StateType serviceOrderItemState = (StateType) signatureArgs[2];
  68
  69             processEvent(EventFactory.getEvent(EventType.SERVICE_ORDER_ITEM_STATE_CHANGE, serviceOrder,
  70                     serviceOrderItem));
  71         }
  72     }
  73
  74     /**
  75      * Retreive subscribers that match an event and fire notification
  76      * asynchronously
  77      * @param event
  78      */
  79     private void processEvent(Event event) {
  80         subscriberRepository
  81                 .findSubscribersUsingEvent(event)
  82                 .forEach(sub -> notifier.run(sub, event));
  83     }
  84 }