示例#1
0
        /// <summary>
        /// Processing multiple schedule matches for a statement.
        /// </summary>
        /// <param name="handle">statement handle</param>
        /// <param name="callbackObject">object containing matches</param>
        /// <param name="services">runtime services</param>
        public static void ProcessStatementScheduleMultiple(
            EPStatementAgentInstanceHandle handle,
            object callbackObject,
            EPServicesEvaluation services)
        {
            if (InstrumentationHelper.ENABLED)
            {
                InstrumentationHelper.Get().QTimeCP(handle, services.SchedulingService.Time);
            }

            handle.StatementAgentInstanceLock.AcquireWriteLock();
            try {
                if (!handle.IsDestroyed)
                {
                    if (handle.HasVariables)
                    {
                        services.VariableManagementService.SetLocalVersion();
                    }

                    if (callbackObject is ArrayDeque <ScheduleHandleCallback> )
                    {
                        ArrayDeque <ScheduleHandleCallback> callbackList = (ArrayDeque <ScheduleHandleCallback>)callbackObject;
                        foreach (ScheduleHandleCallback callback in callbackList)
                        {
                            callback.ScheduledTrigger();
                        }
                    }
                    else
                    {
                        ScheduleHandleCallback callback = (ScheduleHandleCallback)callbackObject;
                        callback.ScheduledTrigger();
                    }

                    // internal join processing, if applicable
                    handle.InternalDispatch();
                }
            }
            catch (Exception ex) {
                services.ExceptionHandlingService.HandleException(ex, handle, ExceptionHandlerExceptionType.PROCESS, null);
            }
            finally {
                if (handle.HasTableAccess)
                {
                    services.TableExprEvaluatorContext.ReleaseAcquiredLocks();
                }

                handle.StatementAgentInstanceLock.ReleaseWriteLock();

                if (InstrumentationHelper.ENABLED)
                {
                    InstrumentationHelper.Get().ATimeCP();
                }
            }
        }
        public static void EvaluateSchedule(SchedulingService service)
        {
            ICollection <ScheduleHandle> handles = new LinkedList <ScheduleHandle>();

            service.Evaluate(handles);

            foreach (ScheduleHandle handle in handles)
            {
                if (handle is EPStatementHandleCallback)
                {
                    EPStatementHandleCallback callback = (EPStatementHandleCallback)handle;
                    callback.ScheduleCallback.ScheduledTrigger(null);
                }
                else
                {
                    ScheduleHandleCallback cb = (ScheduleHandleCallback)handle;
                    cb.ScheduledTrigger(null);
                }
            }
        }