controlloop/common/eventmanager/src/main/java/org/onap/policy/drools/impl/PolicyEngineJUnitImpl.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * policy engine
   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.onap.policy.drools.impl;
  22
  23 import java.util.HashMap;
  24 import java.util.LinkedList;
  25 import java.util.Map;
  26 import java.util.Queue;
  27
  28 import org.onap.policy.appc.Request;
  29 import org.onap.policy.appclcm.LCMRequestWrapper;
  30 import org.onap.policy.controlloop.ControlLoopNotification;
  31 import org.onap.policy.controlloop.util.Serialization;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 import org.onap.policy.drools.PolicyEngine;
  36
  37 public class PolicyEngineJUnitImpl implements PolicyEngine {
  38
  39         private static final Logger logger = LoggerFactory.getLogger(PolicyEngineJUnitImpl.class);
  40         private Map<String, Map<String, Queue<Object>>> busMap = new HashMap<String, Map<String, Queue<Object>>>();
  41
  42         @Override
  43         public boolean deliver(String busType, String topic, Object obj) {
  44                 if (obj instanceof ControlLoopNotification) {
  45                         ControlLoopNotification notification = (ControlLoopNotification) obj;
  46                         //logger.debug("Notification: " + notification.notification + " " + (notification.message == null ? "" : notification.message) + " " + notification.history);
  47                         logger.debug(Serialization.gsonPretty.toJson(notification));
  48                 }
  49                 if (obj instanceof Request) {
  50                         Request request = (Request) obj;
  51                         logger.debug("Request: {} subrequst {}", request.Action, request.CommonHeader.SubRequestID);
  52                 }
  53                 else if (obj instanceof LCMRequestWrapper) {
  54                     LCMRequestWrapper dmaapRequest = (LCMRequestWrapper) obj;
  55                     logger.debug("Request: {} subrequest {}", dmaapRequest.getBody().getAction(), dmaapRequest.getBody().getCommonHeader().getSubRequestId());
  56                 }
  57                 //
  58                 // Does the bus exist?
  59                 //
  60                 if (busMap.containsKey(busType) == false) {
  61                         logger.debug("creating new bus type {}", busType);
  62                         //
  63                         // Create the bus
  64                         //
  65                         busMap.put(busType, new HashMap<>());
  66                 }
  67                 //
  68                 // Get the bus
  69                 //
  70                 Map<String, Queue<Object>> topicMap = busMap.get(busType);
  71                 //
  72                 // Does the topic exist?
  73                 //
  74                 if (topicMap.containsKey(topic) == false) {
  75                         logger.debug("creating new topic {}", topic);
  76                         //
  77                         // Create the topic
  78                         //
  79                         topicMap.put(topic, new LinkedList<>());
  80                 }
  81                 //
  82                 // Get the topic queue
  83                 //
  84                 logger.debug("queueing");
  85                 return topicMap.get(topic).add(obj);
  86         }
  87
  88         public Object   subscribe(String busType, String topic) {
  89                 //
  90                 // Does the bus exist?
  91                 //
  92                 if (busMap.containsKey(busType)) {
  93                         //
  94                         // Get the bus
  95                         //
  96                         Map<String, Queue<Object>> topicMap = busMap.get(busType);
  97                         //
  98                         // Does the topic exist?
  99                         //
 100                         if (topicMap.containsKey(topic)) {
 101                                 logger.debug("The queue has {}", topicMap.get(topic).size());
 102                                 return topicMap.get(topic).poll();
 103                         } else {
 104                                 logger.error("No topic exists {}", topic);
 105                         }
 106                 } else {
 107                         logger.error("No bus exists {}", busType);
 108                 }
 109                 return null;
 110         }
 111
 112 }