src/main/java/org/onap/crud/service/CrudAsyncGraphDataService.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 com.att.ecomp.event.api.EventConsumer;
  27 import com.att.ecomp.event.api.EventPublisher;
  28 import com.google.gson.JsonElement;
  29
  30 import org.onap.aai.cl.api.LogFields;
  31 import org.onap.aai.cl.api.Logger;
  32 import org.onap.aai.cl.eelf.LoggerFactory;
  33 import org.onap.aai.cl.mdc.MdcContext;
  34 import org.onap.aai.cl.mdc.MdcOverride;
  35 import org.onap.crud.dao.GraphDao;
  36 import org.onap.crud.entity.Edge;
  37 import org.onap.crud.entity.Vertex;
  38 import org.onap.crud.event.GraphEvent;
  39 import org.onap.crud.event.GraphEvent.GraphEventOperation;
  40 import org.onap.crud.event.GraphEvent.GraphEventResult;
  41 import org.onap.crud.event.GraphEventEdge;
  42 import org.onap.crud.event.GraphEventVertex;
  43 import org.onap.crud.exception.CrudException;
  44 import org.onap.crud.logging.CrudServiceMsgs;
  45 import org.onap.crud.parser.CrudResponseBuilder;
  46 import org.onap.crud.util.CrudProperties;
  47 import org.onap.crud.util.CrudServiceConstants;
  48 import org.onap.schema.OxmModelValidator;
  49 import org.onap.schema.RelationshipSchemaValidator;
  50
  51 import java.text.SimpleDateFormat;
  52 import java.util.ArrayList;
  53 import java.util.HashMap;
  54 import java.util.List;
  55 import java.util.Map;
  56 import java.util.Timer;
  57 import java.util.concurrent.Callable;
  58 import java.util.concurrent.CountDownLatch;
  59 import java.util.concurrent.ExecutionException;
  60 import java.util.concurrent.ExecutorService;
  61 import java.util.concurrent.Executors;
  62 import java.util.concurrent.Future;
  63 import java.util.concurrent.TimeUnit;
  64 import java.util.concurrent.TimeoutException;
  65 import javax.annotation.PreDestroy;
  66 import javax.ws.rs.core.Response.Status;
  67
  68 public class CrudAsyncGraphDataService extends AbstractGraphDataService {
  69
  70   private static Integer requestTimeOut;
  71
  72   private EventPublisher asyncRequestPublisher;
  73
  74   private Timer timer;
  75
  76   public static final Integer DEFAULT_REQUEST_TIMEOUT = 30000;
  77   private static final Integer DEFAULT_ASYNC_RESPONSE_PROCESS_POLL_INTERVAL = 1000;
  78
  79   private static Logger logger = LoggerFactory.getInstance()
  80     .getLogger(CrudAsyncGraphDataService.class.getName());
  81   private static Logger metricsLogger = LoggerFactory.getInstance()
  82     .getMetricsLogger(CrudAsyncGraphDataService.class.getName());
  83   private static LogFields OK_FIELDS = new LogFields();
  84
  85   static {
  86                 OK_FIELDS.setField(Status.OK, Status.OK.toString());
  87   }
  88
  89   public static Integer getRequestTimeOut() {
  90     return requestTimeOut;
  91   }
  92
  93   public CrudAsyncGraphDataService(GraphDao dao,
  94                   EventPublisher asyncRequestPublisher,
  95                   EventConsumer asyncResponseConsumer) throws CrudException {
  96
  97      super(dao);
  98
  99     requestTimeOut = DEFAULT_REQUEST_TIMEOUT;
 100     try {
 101       requestTimeOut
 102         = Integer.parseInt(CrudProperties.get(CrudServiceConstants.CRD_ASYNC_REQUEST_TIMEOUT));
 103     } catch (NumberFormatException ex) {
 104       // Leave it as the default
 105     }
 106
 107     Integer responsePollInterval = DEFAULT_ASYNC_RESPONSE_PROCESS_POLL_INTERVAL;
 108     try {
 109       responsePollInterval = Integer
 110         .parseInt(CrudProperties
 111                   .get(CrudServiceConstants.CRD_ASYNC_RESPONSE_PROCESS_POLL_INTERVAL));
 112     } catch (Exception ex) {
 113       logger.error(CrudServiceMsgs.ASYNC_DATA_SERVICE_ERROR, "Unable to parse "
 114                    + CrudServiceConstants.CRD_ASYNC_RESPONSE_PROCESS_POLL_INTERVAL
 115                    + " error: " + ex.getMessage());
 116     }
 117
 118     // Start the Response Consumer timer
 119     CrudAsyncResponseConsumer crudAsyncResponseConsumer
 120       = new CrudAsyncResponseConsumer(asyncResponseConsumer);
 121     timer = new Timer("crudAsyncResponseConsumer-1");
 122     timer.schedule(crudAsyncResponseConsumer, responsePollInterval, responsePollInterval);
 123
 124     this.asyncRequestPublisher = asyncRequestPublisher;
 125
 126     logger.info(CrudServiceMsgs.ASYNC_DATA_SERVICE_INFO,
 127                 "CrudAsyncGraphDataService initialized SUCCESSFULLY!");
 128   }
 129
 130   public class CollectGraphResponse implements Callable<GraphEvent> {
 131     private volatile GraphEvent graphEvent;
 132     private volatile CountDownLatch latch = new CountDownLatch(1);
 133
 134     @Override
 135     public GraphEvent call() throws TimeoutException {
 136       try {
 137         // Wait until graphEvent is available
 138         latch.await(CrudAsyncGraphDataService.getRequestTimeOut(), TimeUnit.MILLISECONDS);
 139       } catch (InterruptedException e) {
 140         latch.countDown();
 141         if (this.graphEvent != null) {
 142           return this.graphEvent;
 143         } else {
 144           throw new TimeoutException();
 145         }
 146       }
 147       return this.graphEvent;
 148     }
 149
 150     public void populateGraphEvent(GraphEvent event) {
 151       this.graphEvent = event;
 152       latch.countDown();
 153     }
 154   }
 155
 156   private GraphEvent sendAndWait(GraphEvent event) throws CrudException {
 157
 158     long startTimeInMs = System.currentTimeMillis();
 159     SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX");
 160     MdcOverride override = new MdcOverride();
 161     override.addAttribute(MdcContext.MDC_START_TIME, formatter.format(startTimeInMs));
 162
 163     // publish to request queue
 164     try {
 165       asyncRequestPublisher.sendSync(event.toJson());
 166     } catch (Exception e) {
 167       throw new CrudException("Error publishing request " + event.getTransactionId() + "  Cause: " + e.getMessage(), Status.INTERNAL_SERVER_ERROR);
 168     }
 169
 170     logger.debug(CrudServiceMsgs.ASYNC_DATA_SERVICE_INFO, "Event Sent ="+event.toJson());
 171
 172     logger.info(CrudServiceMsgs.ASYNC_DATA_SERVICE_INFO,
 173                 "Event submitted of type: " + event.getObjectType() + " with key: " + event.getObjectKey()
 174                 + " , transaction-id: " + event.getTransactionId() + " , operation: "
 175                 + event.getOperation().toString());
 176
 177     ExecutorService executor = Executors
 178       .newSingleThreadExecutor(new CrudThreadFactory("TX-" + event.getTransactionId()));
 179     CollectGraphResponse collector = new CollectGraphResponse();
 180     CrudAsyncGraphEventCache.put(event.getTransactionId(), collector);
 181     GraphEvent response;
 182     Future<GraphEvent> future = executor.submit(collector);
 183     try {
 184       response = future.get(requestTimeOut, TimeUnit.MILLISECONDS);
 185
 186     } catch (InterruptedException | ExecutionException | TimeoutException e) {
 187       CrudAsyncGraphEventCache.invalidate(event.getTransactionId());
 188       logger.error(CrudServiceMsgs.ASYNC_DATA_SERVICE_ERROR,
 189                    "Request timed out for transactionId: " + event.getTransactionId());
 190       future.cancel(true);
 191       throw new CrudException("Timed out , transactionId: " + event.getTransactionId()
 192                               + " , operation: " + event.getOperation().toString(), Status.INTERNAL_SERVER_ERROR);
 193     } finally {
 194       //Kill the thread as the work is completed
 195       executor.shutdownNow();
 196     }
 197     metricsLogger.info(CrudServiceMsgs.ASYNC_DATA_SERVICE_INFO, OK_FIELDS, override,
 198             "Total elapsed time for operation: " + event.getOperation().toString()
 199             + " , transactionId: " + event.getTransactionId() + " is "
 200             + Long.toString(System.currentTimeMillis() - startTimeInMs) + " ms");
 201     return response;
 202   }
 203
 204   public String addVertex(String version, String type, VertexPayload payload) throws CrudException {
 205     // Validate the incoming payload
 206     Vertex vertex = OxmModelValidator.validateIncomingUpsertPayload(null, version,
 207                                                                     type, payload.getProperties());
 208     // Create graph request event
 209     GraphEvent event = GraphEvent.builder(GraphEventOperation.CREATE)
 210       .vertex(GraphEventVertex.fromVertex(vertex, version)).build();
 211
 212     GraphEvent response = sendAndWait(event);
 213     if (response.getResult().equals(GraphEventResult.SUCCESS)) {
 214       logSuccessResponse(event, response);
 215       return CrudResponseBuilder.buildUpsertVertexResponse(
 216                                                            OxmModelValidator.validateOutgoingPayload(version,
 217                                                                                                      response.getVertex().toVertex()), version);
 218     } else {
 219       logErrorResponse(event, response);
 220       throw new CrudException("Operation Failed with transaction-id: " + response.getTransactionId()
 221                               + " Error: " + response.getErrorMessage(), response.getHttpErrorStatus());
 222     }
 223
 224   }
 225
 226   public String addEdge(String version, String type, EdgePayload payload) throws CrudException {
 227     Edge edge = RelationshipSchemaValidator.validateIncomingAddPayload(version, type, payload);
 228     // Create graph request event
 229     GraphEvent event = GraphEvent.builder(GraphEventOperation.CREATE)
 230       .edge(GraphEventEdge.fromEdge(edge, version)).build();
 231
 232     GraphEvent response = sendAndWait(event);
 233     if (response.getResult().equals(GraphEventResult.SUCCESS)) {
 234       logSuccessResponse(event, response);
 235       return CrudResponseBuilder.buildUpsertEdgeResponse(
 236                                                          RelationshipSchemaValidator.validateOutgoingPayload(version, response.getEdge().toEdge()),
 237                                                          version);
 238     } else {
 239       logErrorResponse(event, response);
 240       throw new CrudException("Operation Failed with transaction-id: " + response.getTransactionId()
 241                               + " Error: " + response.getErrorMessage(), response.getHttpErrorStatus());
 242     }
 243   }
 244
 245   public String updateVertex(String version, String id, String type, VertexPayload payload)
 246     throws CrudException {
 247     Vertex vertex = OxmModelValidator.validateIncomingUpsertPayload(id, version,
 248                                                                     type, payload.getProperties());
 249     GraphEvent event = GraphEvent.builder(GraphEventOperation.UPDATE)
 250       .vertex(GraphEventVertex.fromVertex(vertex, version)).build();
 251
 252     GraphEvent response = sendAndWait(event);
 253     if (response.getResult().equals(GraphEventResult.SUCCESS)) {
 254       logSuccessResponse(event, response);
 255       return CrudResponseBuilder.buildUpsertVertexResponse(
 256                                                            OxmModelValidator.validateOutgoingPayload(version, response.getVertex().toVertex()),
 257                                                            version);
 258     } else {
 259       logErrorResponse(event, response);
 260       throw new CrudException("Operation Failed with transaction-id: " + response.getTransactionId()
 261                               + " Error: " + response.getErrorMessage(), response.getHttpErrorStatus());
 262     }
 263
 264   }
 265
 266   public String patchVertex(String version, String id, String type, VertexPayload payload)
 267     throws CrudException {
 268     Vertex existingVertex
 269       = dao.getVertex(id, OxmModelValidator.resolveCollectionType(version, type));
 270     Vertex patchedVertex = OxmModelValidator.validateIncomingPatchPayload(id, version,
 271                                                                           type, payload.getProperties(),
 272                                                                           existingVertex);
 273     GraphEvent event = GraphEvent.builder(GraphEventOperation.UPDATE)
 274       .vertex(GraphEventVertex.fromVertex(patchedVertex, version)).build();
 275
 276     GraphEvent response = sendAndWait(event);
 277     if (response.getResult().equals(GraphEventResult.SUCCESS)) {
 278       logSuccessResponse(event, response);
 279       return CrudResponseBuilder.buildUpsertVertexResponse(
 280                                                            OxmModelValidator.validateOutgoingPayload(version, response.getVertex().toVertex()),
 281                                                            version);
 282     } else {
 283       logErrorResponse(event, response);
 284       throw new CrudException("Operation Failed with transaction-id: " + response.getTransactionId()
 285                               + " Error: " + response.getErrorMessage(), response.getHttpErrorStatus());
 286     }
 287
 288   }
 289
 290   public String deleteVertex(String version, String id, String type) throws CrudException {
 291     type = OxmModelValidator.resolveCollectionType(version, type);
 292     GraphEvent event = GraphEvent.builder(GraphEventOperation.DELETE)
 293       .vertex(new GraphEventVertex(id, version, type, null)).build();
 294
 295     GraphEvent response = sendAndWait(event);
 296     if (response.getResult().equals(GraphEventResult.SUCCESS)) {
 297       logSuccessResponse(event, response);
 298       return "";
 299     } else {
 300       logErrorResponse(event, response);
 301       throw new CrudException("Operation Failed with transaction-id: " + response.getTransactionId()
 302                               + " Error: " + response.getErrorMessage(), response.getHttpErrorStatus());
 303     }
 304
 305   }
 306
 307   public String deleteEdge(String version, String id, String type) throws CrudException {
 308     RelationshipSchemaValidator.validateType(version, type);
 309     GraphEvent event = GraphEvent.builder(GraphEventOperation.DELETE)
 310       .edge(new GraphEventEdge(id, version, type, null, null, null)).build();
 311
 312     GraphEvent response = sendAndWait(event);
 313     if (response.getResult().equals(GraphEventResult.SUCCESS)) {
 314       logSuccessResponse(event, response);
 315       return "";
 316     } else {
 317       logErrorResponse(event, response);
 318       throw new CrudException("Operation Failed with transaction-id: " + response.getTransactionId()
 319                               + " Error: " + response.getErrorMessage(), response.getHttpErrorStatus());
 320     }
 321
 322   }
 323
 324   public String updateEdge(String version, String id, String type, EdgePayload payload)
 325     throws CrudException {
 326     Edge edge = dao.getEdge(id, type);
 327     Edge validatedEdge = RelationshipSchemaValidator.validateIncomingUpdatePayload(edge, version,
 328                                                                                    payload);
 329     GraphEvent event = GraphEvent.builder(GraphEventOperation.UPDATE)
 330       .edge(GraphEventEdge.fromEdge(validatedEdge, version)).build();
 331
 332     GraphEvent response = sendAndWait(event);
 333     if (response.getResult().equals(GraphEventResult.SUCCESS)) {
 334       logSuccessResponse(event, response);
 335       return CrudResponseBuilder.buildUpsertEdgeResponse(
 336                                                          RelationshipSchemaValidator.validateOutgoingPayload(version,
 337                                                                                                              response.getEdge().toEdge()), version);
 338     } else {
 339       logErrorResponse(event, response);
 340       throw new CrudException("Operation Failed with transaction-id: " + response.getTransactionId()
 341                               + " Error: " + response.getErrorMessage(), response.getHttpErrorStatus());
 342     }
 343
 344   }
 345
 346   public String patchEdge(String version, String id, String type, EdgePayload payload)
 347     throws CrudException {
 348     Edge edge = dao.getEdge(id, type);
 349     Edge patchedEdge = RelationshipSchemaValidator.validateIncomingPatchPayload(edge, version,
 350                                                                                 payload);
 351     GraphEvent event = GraphEvent.builder(GraphEventOperation.UPDATE)
 352       .edge(GraphEventEdge.fromEdge(patchedEdge, version)).build();
 353
 354     GraphEvent response = sendAndWait(event);
 355     if (response.getResult().equals(GraphEventResult.SUCCESS)) {
 356       logSuccessResponse(event, response);
 357       return CrudResponseBuilder.buildUpsertEdgeResponse(
 358                                                          RelationshipSchemaValidator.validateOutgoingPayload(version, response.getEdge().toEdge()),
 359                                                          version);
 360     } else {
 361       logErrorResponse(event, response);
 362       throw new CrudException("Operation Failed with transaction-id: " + response.getTransactionId()
 363                               + " Error: " + response.getErrorMessage(), response.getHttpErrorStatus());
 364     }
 365
 366   }
 367
 368   @PreDestroy
 369   protected void preShutdown() {
 370     timer.cancel();
 371
 372   }
 373
 374   @Override
 375   public String addBulk(String version, BulkPayload payload) throws CrudException {
 376     HashMap<String, Vertex> vertices = new HashMap<String, Vertex>();
 377     HashMap<String, Edge> edges = new HashMap<String, Edge>();
 378     String txId = dao.openTransaction();
 379
 380     try {
 381       // Handle vertices
 382       for (JsonElement v : payload.getObjects()) {
 383         List<Map.Entry<String, JsonElement>> entries = new ArrayList<Map.Entry<String, JsonElement>>(
 384             v.getAsJsonObject().entrySet());
 385
 386         if (entries.size() != 2) {
 387           throw new CrudException("", Status.BAD_REQUEST);
 388         }
 389         Map.Entry<String, JsonElement> opr = entries.get(0);
 390         Map.Entry<String, JsonElement> item = entries.get(1);
 391
 392         VertexPayload vertexPayload = VertexPayload.fromJson(item.getValue().getAsJsonObject().toString());
 393
 394         if (opr.getValue().getAsString().equalsIgnoreCase("add")
 395             || opr.getValue().getAsString().equalsIgnoreCase("modify")) {
 396           Vertex validatedVertex;
 397           GraphEvent event;
 398
 399           if (opr.getValue().getAsString().equalsIgnoreCase("add")) {
 400             // Publish add-vertex event
 401             validatedVertex = OxmModelValidator.validateIncomingUpsertPayload(null, version, vertexPayload.getType(),
 402                 vertexPayload.getProperties());
 403             event = GraphEvent.builder(GraphEventOperation.CREATE)
 404                 .vertex(GraphEventVertex.fromVertex(validatedVertex, version)).build();
 405           } else {
 406             // Publish update-vertex event
 407             validatedVertex = OxmModelValidator.validateIncomingUpsertPayload(vertexPayload.getId(), version,
 408                 vertexPayload.getType(), vertexPayload.getProperties());
 409             event = GraphEvent.builder(GraphEventOperation.UPDATE)
 410                 .vertex(GraphEventVertex.fromVertex(validatedVertex, version)).build();
 411           }
 412
 413           event.setDbTransactionId(txId);
 414           GraphEvent response = publishEvent(event);
 415           Vertex persistedVertex = response.getVertex().toVertex();
 416           Vertex outgoingVertex = OxmModelValidator.validateOutgoingPayload(version, persistedVertex);
 417           vertices.put(item.getKey(), outgoingVertex);
 418         } else if (opr.getValue().getAsString().equalsIgnoreCase("delete")) {
 419           // Publish delete-vertex event
 420           String type = OxmModelValidator.resolveCollectionType(version, vertexPayload.getType());
 421           GraphEvent event = GraphEvent.builder(GraphEventOperation.DELETE)
 422             .vertex(new GraphEventVertex(vertexPayload.getId(), version, type, null)).build();
 423           event.setDbTransactionId(txId);
 424           publishEvent(event);
 425         }
 426       }
 427
 428       // Handle Edges
 429       for (JsonElement v : payload.getRelationships()) {
 430         List<Map.Entry<String, JsonElement>> entries = new ArrayList<Map.Entry<String, JsonElement>>(
 431             v.getAsJsonObject().entrySet());
 432
 433         if (entries.size() != 2) {
 434           throw new CrudException("", Status.BAD_REQUEST);
 435         }
 436         Map.Entry<String, JsonElement> opr = entries.get(0);
 437         Map.Entry<String, JsonElement> item = entries.get(1);
 438
 439         EdgePayload edgePayload = EdgePayload.fromJson(item.getValue().getAsJsonObject().toString());
 440
 441         if (opr.getValue().getAsString().equalsIgnoreCase("add")
 442             || opr.getValue().getAsString().equalsIgnoreCase("modify")) {
 443           Edge validatedEdge;
 444           Edge persistedEdge;
 445           if (opr.getValue().getAsString().equalsIgnoreCase("add")) {
 446             // Fix the source/destination
 447             if (edgePayload.getSource().startsWith("$")) {
 448               Vertex source = vertices.get(edgePayload.getSource().substring(1));
 449               if (source == null) {
 450                 throw new CrudException("Not able to find vertex: " + edgePayload.getSource().substring(1),
 451                     Status.INTERNAL_SERVER_ERROR);
 452               }
 453               edgePayload
 454                   .setSource("services/inventory/" + version + "/" + source.getType() + "/" + source.getId().get());
 455             }
 456             if (edgePayload.getTarget().startsWith("$")) {
 457               Vertex target = vertices.get(edgePayload.getTarget().substring(1));
 458               if (target == null) {
 459                 throw new CrudException("Not able to find vertex: " + edgePayload.getTarget().substring(1),
 460                     Status.INTERNAL_SERVER_ERROR);
 461               }
 462               edgePayload
 463                   .setTarget("services/inventory/" + version + "/" + target.getType() + "/" + target.getId().get());
 464             }
 465             validatedEdge = RelationshipSchemaValidator.validateIncomingAddPayload(version, edgePayload.getType(),
 466                 edgePayload);
 467             GraphEvent event = GraphEvent.builder(GraphEventOperation.CREATE)
 468                 .edge(GraphEventEdge.fromEdge(validatedEdge, version)).build();
 469             event.setDbTransactionId(txId);
 470             GraphEvent response = publishEvent(event);
 471             persistedEdge =  response.getEdge().toEdge();
 472           } else {
 473             Edge edge = dao.getEdge(edgePayload.getId(), edgePayload.getType(), txId);
 474             validatedEdge = RelationshipSchemaValidator.validateIncomingUpdatePayload(edge, version, edgePayload);
 475             GraphEvent event = GraphEvent.builder(GraphEventOperation.UPDATE)
 476                 .edge(GraphEventEdge.fromEdge(validatedEdge, version)).build();
 477             event.setDbTransactionId(txId);
 478             GraphEvent response = publishEvent(event);
 479             persistedEdge = response.getEdge().toEdge();
 480           }
 481
 482           Edge outgoingEdge = RelationshipSchemaValidator.validateOutgoingPayload(version, persistedEdge);
 483           edges.put(item.getKey(), outgoingEdge);
 484         } else if (opr.getValue().getAsString().equalsIgnoreCase("delete")) {
 485           RelationshipSchemaValidator.validateType(version, edgePayload.getType());
 486           // Publish delete-vertex event
 487           GraphEvent event = GraphEvent.builder(GraphEventOperation.DELETE)
 488             .edge(new GraphEventEdge(edgePayload.getId(), version, edgePayload.getType(), null, null, null)).build();
 489           event.setDbTransactionId(txId);
 490           publishEvent(event);
 491         }
 492       }
 493
 494       // commit transaction
 495       dao.commitTransaction(txId);
 496     } catch (CrudException ex) {
 497       dao.rollbackTransaction(txId);
 498       throw ex;
 499     } catch (Exception ex) {
 500       dao.rollbackTransaction(txId);
 501       throw ex;
 502     } finally {
 503       if (dao.transactionExists(txId)) {
 504         dao.rollbackTransaction(txId);
 505       }
 506     }
 507
 508     return CrudResponseBuilder.buildUpsertBulkResponse(vertices, edges, version, payload);
 509   }
 510
 511   private GraphEvent publishEvent(GraphEvent event) throws CrudException {
 512     GraphEvent response = sendAndWait(event);
 513     if (response.getResult().equals(GraphEventResult.SUCCESS)) {
 514       logSuccessResponse(event, response);
 515     } else {
 516       logErrorResponse(event, response);
 517       throw new CrudException("Operation failed with transaction-id: " + response.getTransactionId()
 518                               + " Error: " + response.getErrorMessage(), response.getHttpErrorStatus());
 519     }
 520
 521     return response;
 522   }
 523
 524   private void logSuccessResponse(GraphEvent event, GraphEvent response) {
 525     logger.info(CrudServiceMsgs.ASYNC_DATA_SERVICE_INFO,
 526         "Event response received: " + response.getObjectType() + " with key: "
 527         + response.getObjectKey() + " , transaction-id: " + response.getTransactionId()
 528         + " , operation: " + event.getOperation().toString() + " , result: "
 529         + response.getResult());
 530   }
 531
 532   private void logErrorResponse(GraphEvent event, GraphEvent response) {
 533     logger.info(CrudServiceMsgs.ASYNC_DATA_SERVICE_INFO,
 534         "Event response received: " + response.getObjectType() + " with key: "
 535         + response.getObjectKey() + " , transaction-id: " + response.getTransactionId()
 536         + " , operation: " + event.getOperation().toString() + " , result: "
 537         + response.getResult() + " , error: " + response.getErrorMessage());
 538   }
 539
 540 }