question: public void executePlan ( TaskCompleter completer , String successMessage , WorkflowCallbackHandler callbackHandler , Object [ ] callbackHandlerArgs , WorkflowRollbackHandler rollbackHandler , Object [ ] rollbackHandlerArgs ) throws WorkflowException { this . _callbackHandler = callbackHandler ; if ( callbackHandlerArgs != null ) { this . _callbackHandlerArgs = callbackHandlerArgs . clone ( ) ; } this . _rollbackHandler = rollbackHandler ; if ( rollbackHandlerArgs != null ) { this . _rollbackHandlerArgs = rollbackHandlerArgs . clone ( ) ; } this . _taskCompleter = completer ; this . _successMessage = successMessage ; _service . executePlan ( this ) ; }
target:  Invokes the WorkflowPlanExecutor to execute this workflow plan.