code: public void execute(JobExecutionContext context) throws JobExecutionException {
  
          JobDataMap jobDataMap = context.getMergedJobDataMap();
          ValidatingSessionManager sessionManager = (ValidatingSessionManager) jobDataMap.get(SESSION_MANAGER_KEY);
  
          if (LOGGER.isDebugEnabled()) {
              LOGGER.debug("Executing session validation Quartz job...");
          }
  
          sessionManager.validateSessions();
  
          if (LOGGER.isDebugEnabled()) {
              LOGGER.debug("Session validation Quartz job complete.");
          }
      }
docs: Called when the job is executed by quartz. This method delegates to the <tt>validateSessions()</tt> method on the
  associated session manager.
  
  @param context the Quartz job execution context for this execution.