src/main/java/org/onap/crud/service/CrudAsyncResponseConsumer.java

   1 /**
   2  * ============LICENSE_START=======================================================
   3  * org.onap.aai
   4  * ================================================================================
   5  * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
   6  * Copyright © 2017-2018 Amdocs
   7  * ================================================================================
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *       http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  * ============LICENSE_END=========================================================
  20  */
  21 package org.onap.crud.service;
  22
  23 import java.util.TimerTask;
  24
  25 import javax.naming.OperationNotSupportedException;
  26
  27 import org.onap.aai.cl.api.Logger;
  28 import org.onap.aai.cl.eelf.LoggerFactory;
  29 import org.onap.crud.event.GraphEvent;
  30 import org.onap.crud.logging.CrudServiceMsgs;
  31
  32 import org.onap.aai.event.api.EventConsumer;
  33
  34 public class CrudAsyncResponseConsumer extends TimerTask {
  35
  36   private static Logger logger = LoggerFactory.getInstance().getLogger(CrudAsyncResponseConsumer
  37                                                                        .class.getName());
  38
  39   private static Logger auditLogger = LoggerFactory.getInstance()
  40     .getAuditLogger(CrudAsyncResponseConsumer.class.getName());
  41
  42   private EventConsumer asyncResponseConsumer;
  43
  44
  45   public CrudAsyncResponseConsumer(EventConsumer asyncResponseConsumer) {
  46     this.asyncResponseConsumer = asyncResponseConsumer;
  47     logger.info(CrudServiceMsgs.ASYNC_RESPONSE_CONSUMER_INFO,
  48                 "CrudAsyncResponseConsumer initialized SUCCESSFULLY! with event consumer "
  49                 + asyncResponseConsumer.getClass().getName());
  50   }
  51
  52
  53   @Override
  54   public void run() {
  55
  56     logger.info(CrudServiceMsgs.ASYNC_RESPONSE_CONSUMER_INFO, "Listening for graph events");
  57
  58     if (asyncResponseConsumer == null) {
  59       logger.error(CrudServiceMsgs.ASYNC_RESPONSE_CONSUMER_ERROR,
  60                    "Unable to initialize CrudAsyncRequestProcessor");
  61     }
  62
  63     Iterable<String> events = null;
  64     try {
  65       events = asyncResponseConsumer.consume();
  66     } catch (Exception e) {
  67       logger.error(CrudServiceMsgs.ASYNC_RESPONSE_CONSUMER_ERROR, e.getMessage());
  68       return;
  69     }
  70
  71     if (events == null || !events.iterator().hasNext()) {
  72       logger.info(CrudServiceMsgs.ASYNC_RESPONSE_CONSUMER_INFO, "No events recieved");
  73
  74     }
  75
  76     for (String event : events) {
  77       try {
  78
  79         GraphEvent graphEvent = GraphEvent.fromJson(event);
  80         auditLogger.info(CrudServiceMsgs.ASYNC_RESPONSE_CONSUMER_INFO,
  81                            "Event received of type: " + graphEvent.getObjectType() + " with key: "
  82                            + graphEvent.getObjectKey() + " , transaction-id: "
  83                            + graphEvent.getTransactionId() + " , operation: "
  84                            + graphEvent.getOperation().toString());
  85           logger.info(CrudServiceMsgs.ASYNC_RESPONSE_CONSUMER_INFO,
  86                       "Event received of type: " + graphEvent.getObjectType() + " with key: "
  87                       + graphEvent.getObjectKey() + " , transaction-id: "
  88                       + graphEvent.getTransactionId() + " , operation: "
  89                       + graphEvent.getOperation().toString());
  90           logger.debug(CrudServiceMsgs.ASYNC_RESPONSE_CONSUMER_INFO,
  91                        "Event received with payload:" + event);
  92
  93         if (CrudAsyncGraphEventCache.get(graphEvent.getTransactionId()) != null) {
  94           CrudAsyncGraphEventCache.get(graphEvent.getTransactionId())
  95             .populateGraphEvent(graphEvent);
  96         } else {
  97           logger.error(CrudServiceMsgs.ASYNC_DATA_SERVICE_ERROR,
  98                        "Request timed out. Not sending response for transaction-id: "
  99                        + graphEvent.getTransactionId());
 100         }
 101
 102       } catch (Exception e) {
 103         logger.error(CrudServiceMsgs.ASYNC_RESPONSE_CONSUMER_ERROR, e.getMessage());
 104       }
 105     }
 106
 107     try {
 108       asyncResponseConsumer.commitOffsets();
 109     }
 110     catch(OperationNotSupportedException e) {
 111         //Dmaap doesnt support commit with offset
 112         logger.debug(CrudServiceMsgs.ASYNC_RESPONSE_CONSUMER_ERROR, e.getMessage());
 113     }
 114     catch (Exception e) {
 115       logger.error(CrudServiceMsgs.ASYNC_RESPONSE_CONSUMER_ERROR, e.getMessage());
 116     }
 117
 118   }
 119
 120 }