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我正在尝试TimerTask在 Jython 中扩展 a 以从某些传感器读取数据,然后每隔一秒通过网络发送该数据。为此,我需要将阅读器和服务器对象(以及一些事件对象)传递给TimerTask对象。当我尝试通过该Timer.schedule方法执行此操作时,出现此错误:

File "C:\Documents\src\iButtonHandler.py", line 61, in run
TypeError: org.python.proxies.iButtonHandler$IButtonTimerTask$1(): expected 0 args; got 4

我收集该Timer.schedule方法调用 的运行方法TimerTaskObject,但为什么不先调用__init__呢?我也尝试将参数添加到我TimerTaskrun方法中,但我得到了同样的结果。

这是我的代码:

class IButtonTimerTask(TimerTask):

    def init(self, reader, server, enterPressed, runComplete):
        self.__reader = reader
        self.__server = server
        self.__enterPressed = enterPressed
        self.__runComplete = runComplete

    def run(self):
        iButtonData = self.__reader.getAllValues()
        self.__server.sendData(iButtonData):
        if self.__enterPressed.isSet():
            self.cancel()
            self.__runComplete.set()

class IButtonHandler(threading.Thread):

    def __init__(self, port, container, enterPressedEvent, exitEvent):

        threading.Thread.__init__(self, name='iButton Handler Thread')
        print 'creating ibutton thread'
        self.__container = container
        self.__reader = IButtonContainerReader(self.__container)
        self.__containerId = self.__reader.getID()
        self.__server = MyServer(port, name=self.__containerId)
        self.__enterPressed = enterPressedEvent
        self.__exitEvent = exitEvent
        self.__runComplete = threading.Event()
        self.start()


    def run(self):
        print 'ibutton thread running'
        if self.__server.listen():
            timer = Timer()
            timer.schedule(IButtonTimerTask(self.__reader, self.__server, self.__enterPressed, self.__runComplete), 0, 1000)

        self.__runComplete.wait()
            print 'iButton handler %s exiting' %self.__containerId
            timer.cancel()
            self.shutDown()
            return

我看到在纯 Java 中,您只需扩展TimerTask并调用new MyTimerTask(...)Timer.schedule方法。我似乎无法让它在 Jython 中以这种方式工作。我究竟做错了什么?

谢谢你看看这个!

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1 回答 1

2

init应该被称为__init__

class IButtonTimerTask(TimerTask):

    def __init__(self, reader, server, enterPressed, runComplete):
        ^^    ^^
于 2013-01-04T20:03:15.633 回答