gerrit.onap Code Review - so.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * OPENECOMP - MSO
   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.openecomp.mso.bpmn.common.workflow.service;
  22
  23 import java.util.HashMap;
  24 import java.util.List;
  25 import java.util.Map;
  26 import java.util.UUID;
  27 import java.util.concurrent.atomic.AtomicLong;
  28
  29 import javax.ws.rs.Consumes;
  30 import javax.ws.rs.POST;
  31 import javax.ws.rs.Path;
  32 import javax.ws.rs.PathParam;
  33 import javax.ws.rs.Produces;
  34 import javax.ws.rs.core.Context;
  35 import javax.ws.rs.core.Response;
  36 import javax.ws.rs.core.UriInfo;
  37
  38 import org.camunda.bpm.engine.HistoryService;
  39 import org.camunda.bpm.engine.ProcessEngineException;
  40 import org.camunda.bpm.engine.ProcessEngineServices;
  41 import org.camunda.bpm.engine.ProcessEngines;
  42 import org.camunda.bpm.engine.RuntimeService;
  43 import org.camunda.bpm.engine.history.HistoricVariableInstance;
  44 import org.camunda.bpm.engine.runtime.ProcessInstance;
  45 import org.camunda.bpm.engine.variable.VariableMap;
  46 import org.camunda.bpm.engine.variable.Variables;
  47 import org.camunda.bpm.engine.variable.Variables.SerializationDataFormats;
  48 import org.camunda.bpm.engine.variable.impl.VariableMapImpl;
  49 import org.openecomp.mso.bpmn.core.WorkflowException;
  50 import org.openecomp.mso.logger.MessageEnum;
  51 import org.openecomp.mso.logger.MsoLogger;
  52 import org.slf4j.MDC;
  53
  54 @Path("/workflow")
  55 public class WorkflowResource {
  56
  57         private ProcessEngineServices pes4junit = null;
  58
  59         private static final MsoLogger msoLogger = MsoLogger.getMsoLogger(MsoLogger.Catalog.BPEL);
  60         private static final String LOGMARKER = "[WRKFLOW-RESOURCE]";
  61
  62         private static final int DEFAULT_WAIT_TIME = 30000;
  63
  64         @Context
  65         private UriInfo uriInfo = null;
  66
  67         /**
  68          * Starts the process instance and responds to client synchronously
  69          * If the request does not contain mso-service-request-timeout then it waits for the value specified in DEFAULT_WAIT_TIME
  70          * Note: value specified in mso-service-request-timeout is in seconds
  71          * During polling time, if there is an exception encountered in the process execution then polling is stopped and the error response is
  72          * returned to the client
  73          * @param processKey
  74          * @param variableMap
  75          * @return
  76          */
  77         @POST
  78         @Path("/services/{processKey}")
  79         @Produces("application/json")
  80         @Consumes("application/json")
  81         public Response startProcessInstanceByKey(@PathParam("processKey") String processKey,
  82                         VariableMapImpl variableMap) {
  83
  84                 Map<String, Object> inputVariables = getInputVariables(variableMap);
  85                 setLogContext(processKey, inputVariables);
  86
  87                 WorkflowResponse workflowResponse = new WorkflowResponse();
  88                 long startTime = System.currentTimeMillis();
  89                 ProcessInstance processInstance = null;
  90
  91                 try {
  92                         //Kickoff the process
  93                         ProcessThread thread = new ProcessThread(inputVariables,processKey,msoLogger);
  94                         thread.start();
  95
  96                         Map<String, Object> responseMap = null;
  97
  98                         //wait for process to be completed
  99                         long waitTime = getWaitTime(inputVariables);
 100                         long now = System.currentTimeMillis();
 101                         long start = now;
 102                         long endTime = start + waitTime;
 103                         long pollingInterval = 500;
 104
 105                         // TEMPORARY LOGIC FOR UNIT TEST REFACTORING
 106                         // If this is a unit test (method is invoked directly), wait a max
 107                         // of 5 seconds after process ended for a result.  In production,
 108                         // wait up to 60 seconds.
 109                         long timeToWaitAfterProcessEnded = uriInfo == null ? 5000 : 60000;
 110                         AtomicLong timeProcessEnded = new AtomicLong(0);
 111                         boolean endedWithNoResponse = false;
 112
 113                         while (now <= endTime) {
 114                                 Thread.sleep(pollingInterval);
 115
 116                                 now = System.currentTimeMillis();
 117
 118                                 // Increase the polling interval over time
 119
 120                                 long elapsed = now - start;
 121
 122                                 if (elapsed > 60000) {
 123                                         pollingInterval = 5000;
 124                                 } else if (elapsed > 10000) {
 125                                         pollingInterval = 1000;
 126                                 }
 127                                 Exception exception = thread.getException();
 128                                 if (exception != null) {
 129                                         throw new Exception(exception);
 130                                 }
 131
 132                                 processInstance = thread.getProcessInstance();
 133
 134                                 if (processInstance == null) {
 135                                         msoLogger.debug(LOGMARKER + processKey + " process has not been created yet");
 136                                         continue;
 137                                 }
 138
 139                                 String processInstanceId = processInstance.getId();
 140                                 workflowResponse.setProcessInstanceID(processInstanceId);
 141
 142                                 responseMap = getResponseMap(processInstance, processKey, timeProcessEnded);
 143
 144                                 if (responseMap == null) {
 145                                         msoLogger.debug(LOGMARKER + processKey + " has not produced a response yet");
 146
 147                                         if (timeProcessEnded.longValue() != 0) {
 148                                                 long elapsedSinceEnded = System.currentTimeMillis() - timeProcessEnded.longValue();
 149
 150                                                 if (elapsedSinceEnded > timeToWaitAfterProcessEnded) {
 151                                                         endedWithNoResponse = true;
 152                                                         break;
 153                                                 }
 154                                         }
 155                                 } else {
 156                                         processResponseMap(workflowResponse, responseMap);
 157                                         recordEvents(processKey, workflowResponse, startTime);
 158                                         return Response.status(workflowResponse.getMessageCode()).entity(workflowResponse).build();
 159                                 }
 160                         }
 161
 162                         //if we dont get response after waiting then send timeout response
 163
 164                         String state;
 165                         String processInstanceId;
 166
 167                         if (processInstance == null) {
 168                                 processInstanceId = "N/A";
 169                                 state = "NOT STARTED";
 170                         } else {
 171                                 processInstanceId = processInstance.getProcessInstanceId();
 172                                 state = isProcessEnded(processInstanceId) ? "ENDED" : "NOT ENDED";
 173                         }
 174
 175                         workflowResponse.setMessage("Fail");
 176                         if (endedWithNoResponse) {
 177                                 workflowResponse.setResponse("Process ended without producing a response");
 178                         } else {
 179                                 workflowResponse.setResponse("Request timed out, process state: " + state);
 180                         }
 181                         workflowResponse.setProcessInstanceID(processInstanceId);
 182                         recordEvents(processKey, workflowResponse, startTime);
 183                         workflowResponse.setMessageCode(500);
 184                         return Response.status(500).entity(workflowResponse).build();
 185                 } catch (Exception ex) {
 186                         msoLogger.debug(LOGMARKER + "Exception in startProcessInstance by key");
 187                         ex.printStackTrace();
 188                         workflowResponse.setMessage("Fail" );
 189                         workflowResponse.setResponse("Error occurred while executing the process: " + ex.getMessage());
 190                         if (processInstance != null) workflowResponse.setProcessInstanceID(processInstance.getId());
 191
 192                         msoLogger.error(MessageEnum.BPMN_GENERAL_EXCEPTION_ARG,  "BPMN", MDC.get(processKey),
 193                                         MsoLogger.ErrorCode.UnknownError, LOGMARKER + workflowResponse.getMessage()
 194                                         + " for processKey: " + processKey + " with response: " + workflowResponse.getResponse());
 195
 196                         workflowResponse.setMessageCode(500);
 197                         recordEvents(processKey, workflowResponse, startTime);
 198                         return Response.status(500).entity(workflowResponse).build();
 199                 }
 200         }
 201
 202         /**
 203          * Returns the wait time, this is used by the resource on how long it should wait to send a response
 204          * If none specified DEFAULT_WAIT_TIME is used
 205          * @param inputVariables
 206          * @return
 207          */
 208         private int getWaitTime(Map<String, Object> inputVariables)
 209         {
 210                 String timeout = inputVariables.get("mso-service-request-timeout") == null
 211                         ? null : inputVariables.get("mso-service-request-timeout").toString();
 212
 213                 if (timeout != null) {
 214                         try {
 215                                 return Integer.parseInt(timeout)*1000;
 216                         } catch (NumberFormatException nex) {
 217                                 msoLogger.debug("Invalid input for mso-service-request-timeout");
 218                         }
 219                 }
 220                 return DEFAULT_WAIT_TIME;
 221         }
 222
 223         private void recordEvents(String processKey, WorkflowResponse response, long startTime) {
 224
 225                 msoLogger.recordMetricEvent ( startTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc,
 226                                 LOGMARKER + response.getMessage() + " for processKey: "
 227                                 + processKey + " with response: " + response.getResponse(), "BPMN", MDC.get(processKey), null);
 228
 229                 msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc,
 230                                 LOGMARKER + response.getMessage() + " for processKey: "
 231                                 + processKey + " with response: " + response.getResponse());
 232         }
 233
 234         private void setLogContext(String processKey, Map<String, Object> inputVariables) {
 235                 MsoLogger.setServiceName("MSO." + processKey);
 236                 if (inputVariables != null) {
 237                         MsoLogger.setLogContext(getValueFromInputVariables(inputVariables, "mso-request-id"),
 238                                 getValueFromInputVariables(inputVariables, "mso-service-instance-id"));
 239                 }
 240         }
 241
 242         private String getValueFromInputVariables(Map<String,Object> inputVariables, String key) {
 243                 Object value = inputVariables.get(key);
 244                 if (value == null) {
 245                         return "N/A";
 246                 } else {
 247                         return value.toString();
 248                 }
 249         }
 250
 251         /**
 252          * Checks to see if the specified process is ended.
 253          * @param processInstanceId the process instance ID
 254          * @return true if the process is ended
 255          */
 256         private boolean isProcessEnded(String processInstanceId) {
 257                 ProcessEngineServices pes = getProcessEngineServices();
 258                 return pes.getRuntimeService().createProcessInstanceQuery().processInstanceId(processInstanceId).singleResult() == null ? true : false ;
 259         }
 260
 261         private void processResponseMap(WorkflowResponse workflowResponse, Map<String, Object> responseMap) {
 262                 Object object = responseMap.get("Response");
 263                 String response = object == null ? null : String.valueOf(object);
 264                 if(response == null){
 265                         object = responseMap.get("WorkflowResponse");
 266                         response = object == null ? null : String.valueOf(object);
 267                 }
 268
 269                 workflowResponse.setResponse(response);
 270
 271                 object = responseMap.get("ResponseCode");
 272                 String responseCode = object == null ? null : String.valueOf(object);
 273
 274                 try {
 275                         workflowResponse.setMessageCode(Integer.parseInt(responseCode));
 276                 } catch(NumberFormatException nex) {
 277                         msoLogger.debug(LOGMARKER + "Failed to parse ResponseCode: " + responseCode);
 278                         workflowResponse.setMessageCode(-1);
 279                 }
 280
 281                 Object status = responseMap.get("Status");
 282
 283                 if ("Success".equalsIgnoreCase(String.valueOf(status))) {
 284                         workflowResponse.setMessage("Success");
 285                 } else if ("Fail".equalsIgnoreCase(String.valueOf(status))) {
 286                         workflowResponse.setMessage("Fail");
 287                 } else {
 288                         msoLogger.debug(LOGMARKER + "Unrecognized Status: " + responseCode);
 289                         workflowResponse.setMessage("Fail");
 290                 }
 291         }
 292
 293         /**
 294          * @version 1.0
 295          * Triggers the workflow in a separate thread
 296          */
 297         private class ProcessThread extends Thread {
 298                 private final Map<String,Object> inputVariables;
 299                 private final String processKey;
 300                 private final MsoLogger msoLogger;
 301                 private final String businessKey;
 302                 private ProcessInstance processInstance = null;
 303                 private Exception exception = null;
 304
 305                 public ProcessThread(Map<String, Object> inputVariables, String processKey, MsoLogger msoLogger) {
 306                         this.inputVariables = inputVariables;
 307                         this.processKey = processKey;
 308                         this.msoLogger = msoLogger;
 309                         this.businessKey = UUID.randomUUID().toString();
 310                 }
 311
 312                 /**
 313                  * If an exception occurs when starting the process instance, it may
 314                  * be obtained by calling this method.  Note that exceptions are only
 315                  * recorded while the process is executing in its original thread.
 316                  * Once a process is suspended, exception recording stops.
 317                  * @return the exception, or null if none has occurred
 318                  */
 319                 public Exception getException() {
 320                         return exception;
 321                 }
 322
 323
 324                 public ProcessInstance getProcessInstance() {
 325                         return this.processInstance;
 326                 }
 327
 328                 /**
 329                  * Sets the process instance exception.
 330                  * @param exception the exception
 331                  */
 332                 private void setException(Exception exception) {
 333                         this.exception = exception;
 334                 }
 335
 336                 public void run() {
 337                         setLogContext(processKey, inputVariables);
 338
 339                         long startTime = System.currentTimeMillis();
 340
 341                         try {
 342                                 msoLogger.debug(LOGMARKER + "***Received MSO startProcessInstanceByKey with processKey:"
 343                                         + processKey + " and variables: " + inputVariables);
 344
 345                                 msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, LOGMARKER
 346                                                 + "Call to MSO workflow/services in Camunda. Received MSO startProcessInstanceByKey with"
 347                                                 + " processKey:" + processKey
 348                                                 + " businessKey:" + businessKey
 349                                                 + " variables: " + inputVariables);
 350
 351                                 RuntimeService runtimeService = getProcessEngineServices().getRuntimeService();
 352
 353                                 // Note that this method doesn't return until the process suspends
 354                                 // itself or finishes.  We provide a business key so we can identify
 355                                 // the process instance immediately.
 356                                 processInstance = runtimeService.startProcessInstanceByKey(
 357                                         processKey, inputVariables);
 358
 359                         } catch (Exception e) {
 360                                 msoLogger.debug(LOGMARKER + "ProcessThread caught an exception executing "
 361                                         + processKey + ": " + e);
 362                                 setException(e);
 363                         }
 364                 }
 365
 366         }
 367
 368         private Map<String, Object> getInputVariables(VariableMapImpl variableMap) {
 369                 VariableMap inputVariables = Variables.createVariables();
 370                 @SuppressWarnings("unchecked")
 371                 Map<String, Object> vMap = (Map<String, Object>) variableMap.get("variables");
 372                 for (String key : vMap.keySet()) { //variabe name vn
 373                         @SuppressWarnings("unchecked")
 374                         Map<String, Object> valueMap = (Map<String,Object>)vMap.get(key); //value, type
 375                         inputVariables.putValueTyped(key, Variables
 376                         .objectValue(valueMap.get("value"))
 377                         .serializationDataFormat(SerializationDataFormats.JAVA) // tells the engine to use java serialization for persisting the value
 378                         .create());
 379                 }
 380                 return inputVariables;
 381         }
 382
 383         /**
 384          * Attempts to get a response map from the specified process instance.
 385          * @return the response map, or null if it is unavailable
 386          */
 387         private Map<String, Object> getResponseMap(ProcessInstance processInstance,
 388                         String processKey, AtomicLong timeProcessEnded) {
 389
 390                 String responseMapVariable = processKey + "ResponseMap";
 391                 String processInstanceId = processInstance.getId();
 392
 393                 // Query the runtime service to see if a response map is ready.
 394
 395 /*              RuntimeService runtimeService = getProcessEngineServices().getRuntimeService();
 396                 List<Execution> executions = runtimeService.createExecutionQuery()
 397                         .processInstanceId(processInstanceId).list();
 398
 399                 for (Execution execution : executions) {
 400                         @SuppressWarnings("unchecked")
 401                         Map<String, Object> responseMap = (Map<String, Object>)
 402                                 getVariableFromExecution(runtimeService, execution.getId(),
 403                                         responseMapVariable);
 404
 405                         if (responseMap != null) {
 406                                 msoLogger.debug(LOGMARKER + "Obtained " + responseMapVariable
 407                                         + " from process " + processInstanceId + " execution "
 408                                         + execution.getId());
 409                                 return responseMap;
 410                         }
 411                 }
 412 */
 413                 //Querying history seem to return consistent results compared to querying the runtime service
 414
 415                 boolean alreadyEnded = timeProcessEnded.longValue() != 0;
 416
 417                 if (alreadyEnded || isProcessEnded(processInstance.getId())) {
 418                         if (!alreadyEnded) {
 419                                 timeProcessEnded.set(System.currentTimeMillis());
 420                         }
 421
 422                         // Query the history service to see if a response map exists.
 423
 424                         HistoryService historyService = getProcessEngineServices().getHistoryService();
 425                         @SuppressWarnings("unchecked")
 426                         Map<String, Object> responseMap = (Map<String, Object>)
 427                                 getVariableFromHistory(historyService, processInstance.getId(),
 428                                         responseMapVariable);
 429
 430                         if (responseMap != null) {
 431                                 msoLogger.debug(LOGMARKER + "Obtained " + responseMapVariable
 432                                         + " from process " + processInstanceId + " history");
 433                                 return responseMap;
 434                         }
 435
 436                         // Query the history service for old-style response variables.
 437
 438                         String prefix = (String) getVariableFromHistory(historyService, processInstanceId, "prefix");
 439
 440                         if (prefix != null) {
 441
 442                                 // Check for 'WorkflowResponse' variable
 443                                 Object workflowResponseObject = getVariableFromHistory(historyService, processInstanceId, "WorkflowResponse");
 444                                 String workflowResponse = workflowResponseObject == null ? null : String.valueOf(workflowResponseObject);
 445                                 msoLogger.debug(LOGMARKER + "WorkflowResponse: " + workflowResponse);
 446
 447                                 if (workflowResponse != null) {
 448                                         Object responseCodeObject = getVariableFromHistory(historyService, processInstanceId, prefix + "ResponseCode");
 449                                         String responseCode = responseCodeObject == null ? null : String.valueOf(responseCodeObject);
 450                                         msoLogger.debug(LOGMARKER + prefix + "ResponseCode: " + responseCode);
 451                                         responseMap = new HashMap<String, Object>();
 452                                         responseMap.put("WorkflowResponse", workflowResponse);
 453                                         responseMap.put("ResponseCode", responseCode);
 454                                         responseMap.put("Status", "Success");
 455                                         return responseMap;
 456                                 }
 457
 458
 459                                 // Check for 'WorkflowException' variable
 460                                 WorkflowException workflowException = null;
 461                                 String workflowExceptionText = null;
 462
 463                                 Object workflowExceptionObject = getVariableFromHistory(historyService, processInstanceId, "WorkflowException");
 464                                 if(workflowExceptionObject != null) {
 465                                         if(workflowExceptionObject instanceof WorkflowException) {
 466                                                 workflowException = (WorkflowException) workflowExceptionObject;
 467                                                 workflowExceptionText = workflowException.toString();
 468                                                 responseMap = new HashMap<String, Object>();
 469                                                 responseMap.put("WorkflowException", workflowExceptionText);
 470                                                 responseMap.put("ResponseCode", workflowException.getErrorCode());
 471                                                 responseMap.put("Status", "Fail");
 472                                                 return responseMap;
 473                                         }
 474                                         else if (workflowExceptionObject instanceof String) {
 475                                                 Object object = getVariableFromHistory(historyService, processInstanceId, prefix + "ResponseCode");
 476                                                 String responseCode = object == null ? null : String.valueOf(object);
 477                                                 workflowExceptionText = (String) workflowExceptionObject;
 478                                                 responseMap = new HashMap<String, Object>();
 479                                                 responseMap.put("WorkflowException", workflowExceptionText);
 480                                                 responseMap.put("ResponseCode", responseCode);
 481                                                 responseMap.put("Status", "Fail");
 482                                                 return responseMap;
 483                                         }
 484
 485                                 }
 486                                 msoLogger.debug(LOGMARKER + "WorkflowException: " + workflowExceptionText);
 487
 488                                 // BEGIN LEGACY SUPPORT.  TODO: REMOVE THIS CODE
 489                                 Object object = getVariableFromHistory(historyService, processInstanceId, processKey + "Response");
 490                                 String response = object == null ? null : String.valueOf(object);
 491                                 msoLogger.debug(LOGMARKER + processKey + "Response: " + response);
 492
 493                                 if (response != null) {
 494                                         object = getVariableFromHistory(historyService, processInstanceId, prefix + "ResponseCode");
 495                                         String responseCode = object == null ? null : String.valueOf(object);
 496                                         msoLogger.debug(LOGMARKER + prefix + "ResponseCode: " + responseCode);
 497                                         responseMap = new HashMap<String, Object>();
 498                                         responseMap.put("Response", response);
 499                                         responseMap.put("ResponseCode", responseCode);
 500                                         responseMap.put("Status", "Success");
 501                                         return responseMap;
 502                                 }
 503
 504                                 object = getVariableFromHistory(historyService, processInstanceId, prefix + "ErrorResponse");
 505                                 String errorResponse = object == null ? null : String.valueOf(object);
 506                                 msoLogger.debug(LOGMARKER + prefix + "ErrorResponse: " + errorResponse);
 507
 508                                 if (errorResponse != null) {
 509                                         object = getVariableFromHistory(historyService, processInstanceId, prefix + "ResponseCode");
 510                                         String responseCode = object == null ? null : String.valueOf(object);
 511                                         msoLogger.debug(LOGMARKER + prefix + "ResponseCode: " + responseCode);
 512                                         responseMap = new HashMap<String, Object>();
 513                                         responseMap.put("Response", errorResponse);
 514                                         responseMap.put("ResponseCode", responseCode);
 515                                         responseMap.put("Status", "Fail");
 516                                         return responseMap;
 517                                 }
 518                                 // END LEGACY SUPPORT.  TODO: REMOVE THIS CODE
 519                         }
 520                 }
 521                 return null;
 522         }
 523
 524         /**
 525          * Gets a variable value from specified historical process instance.
 526          * @return the variable value, or null if the variable could not be
 527          * obtained
 528          */
 529         private Object getVariableFromHistory(HistoryService historyService,
 530                         String processInstanceId, String variableName) {
 531                 try {
 532                         HistoricVariableInstance v = historyService.createHistoricVariableInstanceQuery()
 533                                 .processInstanceId(processInstanceId).variableName(variableName).singleResult();
 534                         return v == null ? null : v.getValue();
 535                 } catch (Exception e) {
 536                         msoLogger.debug("Error retrieving process " + processInstanceId
 537                                 + " variable " + variableName + " from history: " + e);
 538                         return null;
 539                 }
 540         }
 541
 542         @POST
 543         @Path("/services/{processKey}/{processInstanceId}")
 544         @Produces("application/json")
 545         @Consumes("application/json")
 546         public WorkflowResponse getProcessVariables(@PathParam("processKey") String processKey, @PathParam("processInstanceId") String processInstanceId) {
 547                 //TODO filter only set of variables
 548                 WorkflowResponse response = new WorkflowResponse();
 549
 550                 long startTime = System.currentTimeMillis();
 551                 try {
 552                         ProcessEngineServices engine = getProcessEngineServices();
 553                         List<HistoricVariableInstance> variables = engine.getHistoryService().createHistoricVariableInstanceQuery().processInstanceId(processInstanceId).list();
 554                         Map<String,String> variablesMap = new HashMap<String,String>();
 555                         for (HistoricVariableInstance variableInstance: variables) {
 556                                 variablesMap.put(variableInstance.getName(), variableInstance.getValue().toString());
 557                         }
 558
 559                         msoLogger.debug(LOGMARKER + "***Received MSO getProcessVariables with processKey:" + processKey + " and variables: " + variablesMap.toString());
 560
 561                         msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, LOGMARKER
 562                                         + "Call to MSO workflow/services in Camunda. Received MSO getProcessVariables with processKey:"
 563                                         + processKey + " and variables: "
 564                                         + variablesMap.toString());
 565
 566
 567                         response.setVariables(variablesMap);
 568                         response.setMessage("Success");
 569                         response.setResponse("Successfully retrieved the variables");
 570                         response.setProcessInstanceID(processInstanceId);
 571
 572                         msoLogger.debug(LOGMARKER + response.getMessage() + " for processKey: " + processKey + " with response: " + response.getResponse());
 573                 } catch (Exception ex) {
 574                         response.setMessage("Fail");
 575                         response.setResponse("Failed to retrieve the variables," + ex.getMessage());
 576                         response.setProcessInstanceID(processInstanceId);
 577
 578                         msoLogger.error (MessageEnum.BPMN_GENERAL_EXCEPTION_ARG, "BPMN", MDC.get(processKey), MsoLogger.ErrorCode.UnknownError, LOGMARKER
 579                                         + response.getMessage()
 580                                         + " for processKey: "
 581                                         + processKey
 582                                         + " with response: "
 583                                         + response.getResponse());
 584
 585                 }
 586
 587                 msoLogger.recordMetricEvent ( startTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc,
 588                                 LOGMARKER + response.getMessage() + " for processKey: "
 589                                 + processKey + " with response: " + response.getResponse(), "BPMN", MDC.get(processKey), null);
 590
 591                 msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc,
 592                                 LOGMARKER + response.getMessage() + " for processKey: "
 593                                 + processKey + " with response: " + response.getResponse());
 594
 595                 return response;
 596         }
 597
 598         private ProcessEngineServices getProcessEngineServices() {
 599                 if (pes4junit == null) {
 600                         return ProcessEngines.getDefaultProcessEngine();
 601                 } else {
 602                         return pes4junit;
 603                 }
 604         }
 605
 606         public void setProcessEngineServices4junit(ProcessEngineServices pes) {
 607                 pes4junit = pes;
 608         }
 609 }