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.controlloop.ControlLoopNotification;
  30 import org.onap.policy.controlloop.util.Serialization;
  31
  32 import org.onap.policy.drools.PolicyEngine;
  33
  34 public class PolicyEngineJUnitImpl implements PolicyEngine {
  35
  36         private Map<String, Map<String, Queue<Object>>> busMap = new HashMap<String, Map<String, Queue<Object>>>();
  37
  38         @Override
  39         public boolean deliver(String busType, String topic, Object obj) {
  40                 if (obj instanceof ControlLoopNotification) {
  41                         ControlLoopNotification notification = (ControlLoopNotification) obj;
  42                         //System.out.println("Notification: " + notification.notification + " " + (notification.message == null ? "" : notification.message) + " " + notification.history);
  43                         System.out.println(Serialization.gsonPretty.toJson(notification));
  44                 }
  45                 if (obj instanceof Request) {
  46                         Request request = (Request) obj;
  47                         System.out.println("Request: " + request.Action + " subrequest " + request.CommonHeader.SubRequestID);
  48                 }
  49                 //
  50                 // Does the bus exist?
  51                 //
  52                 if (busMap.containsKey(busType) == false) {
  53                         System.out.println("creating new bus type " + busType);
  54                         //
  55                         // Create the bus
  56                         //
  57                         busMap.put(busType, new HashMap<String, Queue<Object>>());
  58                 }
  59                 //
  60                 // Get the bus
  61                 //
  62                 Map<String, Queue<Object>> topicMap = busMap.get(busType);
  63                 //
  64                 // Does the topic exist?
  65                 //
  66                 if (topicMap.containsKey(topic) == false) {
  67                         System.out.println("creating new topic " + topic);
  68                         //
  69                         // Create the topic
  70                         //
  71                         topicMap.put(topic, new LinkedList<Object>());
  72                 }
  73                 //
  74                 // Get the topic queue
  75                 //
  76                 System.out.println("queueing");
  77                 return topicMap.get(topic).add(obj);
  78         }
  79
  80         public Object   subscribe(String busType, String topic) {
  81                 //
  82                 // Does the bus exist?
  83                 //
  84                 if (busMap.containsKey(busType)) {
  85                         //
  86                         // Get the bus
  87                         //
  88                         Map<String, Queue<Object>> topicMap = busMap.get(busType);
  89                         //
  90                         // Does the topic exist?
  91                         //
  92                         if (topicMap.containsKey(topic)) {
  93                                 System.out.println("The queue has " + topicMap.get(topic).size());
  94                                 return topicMap.get(topic).poll();
  95                         } else {
  96                                 System.err.println("No topic exists " + topic);
  97                         }
  98                 } else {
  99                         System.err.println("No bus exists " + busType);
 100                 }
 101                 return null;
 102         }
 103
 104 }