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

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