Package org.camunda.bpm.engine.impl

Examples of org.camunda.bpm.engine.impl.ProcessEngineImpl

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      return this;
    }
  }
 
  private static ProcessEngineImpl createProcessEngineImpl(String databaseSchemaUpdate, boolean executeSchemaOperations) {
    ProcessEngineImpl processEngine =
        (ProcessEngineImpl) new CustomStandaloneInMemProcessEngineConfiguration()
               .setExecuteSchemaOperations(executeSchemaOperations)
               .setProcessEngineName("database-history-test-engine")
               .setDatabaseSchemaUpdate(databaseSchemaUpdate)
               .setHistory(ProcessEngineConfiguration.HISTORY_FULL)
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    int processEngineLoopCounter = 0;
    List<String> idleEngines = new ArrayList<String>();
    boolean jobExecutionFailed = false;

    while (!isInterrupted) {
      ProcessEngineImpl currentProcessEngine = null;
      int maxJobsPerAcquisition = jobExecutor.getMaxJobsPerAcquisition();

      try {

        List<ProcessEngineImpl> registeredProcessEngines = jobExecutor.getProcessEngines();

        synchronized (registeredProcessEngines) {
          if (registeredProcessEngines.size() > 0) {
            if (registeredProcessEngines.size() <= processEngineLoopCounter) {
              processEngineLoopCounter = 0;
              isJobAdded = false;
              idleEngines.clear();
            }
            currentProcessEngine = registeredProcessEngines.get(processEngineLoopCounter);
            processEngineLoopCounter++;
          }
        }

      } catch (Exception e) {
        log.log(Level.SEVERE, "exception while determining next process engine: " + e.getMessage(), e);
      }

      jobExecutionFailed = false;

      if (currentProcessEngine != null) {

        try {
          final CommandExecutor commandExecutor = currentProcessEngine.getProcessEngineConfiguration()
              .getCommandExecutorTxRequired();

          AcquiredJobs acquiredJobs = commandExecutor.execute(jobExecutor.getAcquireJobsCmd());

          for (List<String> jobIds : acquiredJobs.getJobIdBatches()) {
            jobExecutor.executeJobs(jobIds, currentProcessEngine);
          }

          // add number of jobs which we attempted to acquire but could not obtain a lock for -> do not wait if we could not acquire jobs.
          int jobsAcquired = acquiredJobs.getJobIdBatches().size() + acquiredJobs.getNumberOfJobsFailedToLock();
          if (jobsAcquired < maxJobsPerAcquisition) {
            idleEngines.add(currentProcessEngine.getName());
          }

        } catch (Exception e) {
          log.log(Level.SEVERE, "exception during job acquisition: " + e.getMessage(), e);
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  // buildProcessEngine ///////////////////////////////////////////////////////

  public ProcessEngine buildProcessEngine() {
    init();
    processEngine = new ProcessEngineImpl(this);
    invokePostProcessEngineBuild(processEngine);
    return processEngine;
  }
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  static {
    LogUtil.readJavaUtilLoggingConfigFromClasspath();
  }

  public static void main(String[] args) {
    ProcessEngineImpl processEngine = (ProcessEngineImpl) ProcessEngines.getDefaultProcessEngine();
    CommandExecutor commandExecutor = processEngine.getProcessEngineConfiguration().getCommandExecutorTxRequired();
    commandExecutor.execute(new Command<Object> (){
      public Object execute(CommandContext commandContext) {
        commandContext
          .getSession(PersistenceSession.class)
          .dbSchemaPrune();
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    // We need to move time at least one hour to make the timer executable
    ClockUtil.setCurrentTime(new Date(ClockUtil.getCurrentTime().getTime() + 7200000L));

    // Acquire job by running the acquire command manually
    ProcessEngineImpl processEngineImpl = (ProcessEngineImpl) processEngine;
    AcquireJobsCmd acquireJobsCmd = new AcquireJobsCmd(processEngineImpl.getProcessEngineConfiguration().getJobExecutor());
    CommandExecutor commandExecutor = processEngineImpl.getProcessEngineConfiguration().getCommandExecutorTxRequired();
    commandExecutor.execute(acquireJobsCmd);

    // Try to delete the job. This should fail.
    try {
      managementService.deleteJob(timerJob.getId());
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  static {
    LogUtil.readJavaUtilLoggingConfigFromClasspath();
  }

  public static void main(String[] args) {
    ProcessEngineImpl processEngine = (ProcessEngineImpl) ProcessEngines.getDefaultProcessEngine();
    CommandExecutor commandExecutor = processEngine.getProcessEngineConfiguration().getCommandExecutorTxRequired();
    commandExecutor.execute(new Command<Object> (){
      public Object execute(CommandContext commandContext) {
        commandContext
          .getSession(PersistenceSession.class)
          .dbSchemaDrop();
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  // buildProcessEngine ///////////////////////////////////////////////////////

  public ProcessEngine buildProcessEngine() {
    init();
    processEngine = new ProcessEngineImpl(this);
    invokePostProcessEngineBuild(processEngine);
    return processEngine;
  }
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Related Classes of org.camunda.bpm.engine.impl.ProcessEngineImpl

  • org.camunda.bpm.engine.impl.cfg.ProcessEngineConfigurationImpl
  • org.camunda.bpm.engine.impl.db.DbSchemaDrop
  • org.camunda.bpm.engine.impl.db.DbSchemaPrune
  • org.camunda.bpm.engine.impl.jobexecutor.SequentialJobAcquisitionRunnable
  • org.camunda.bpm.engine.test.api.mgmt.ManagementServiceTest
  • org.camunda.bpm.engine.test.db.DatabaseHistoryPropertyTest
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