/usr/include/Poco/Util/TimerTask.h is in libpoco-dev 1.8.0.1-1ubuntu4.
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// TimerTask.h
//
// Library: Util
// Package: Timer
// Module: TimerTask
//
// Definition of the TimerTask class.
//
// Copyright (c) 2009, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Util_TimerTask_INCLUDED
#define Util_TimerTask_INCLUDED
#include "Poco/Util/Util.h"
#include "Poco/Runnable.h"
#include "Poco/RefCountedObject.h"
#include "Poco/AutoPtr.h"
#include "Poco/Timestamp.h"
namespace Poco {
namespace Util {
class Util_API TimerTask: public Poco::RefCountedObject, public Poco::Runnable
/// A task that can be scheduled for one-time or
/// repeated execution by a Timer.
///
/// This is an abstract class. Subclasses must override the run() member
/// function to implement the actual task logic.
{
public:
typedef Poco::AutoPtr<TimerTask> Ptr;
TimerTask();
/// Creates the TimerTask.
void cancel();
/// Cancels the execution of the timer.
/// If the task has been scheduled for one-time execution and has
/// not yet run, or has not yet been scheduled, it will never run.
/// If the task has been scheduled for repeated execution, it will never
/// run again. If the task is running when this call occurs, the task
/// will run to completion, but will never run again.
///
/// Warning: A TimerTask that has been cancelled must not be scheduled again.
/// An attempt to do so results in a Poco::Util::IllegalStateException being thrown.
bool isCancelled() const;
/// Returns true iff the TimerTask has been cancelled by a call
/// to cancel().
Poco::Timestamp lastExecution() const;
/// Returns the time of the last execution of the timer task.
///
/// Returns 0 if the timer has never been executed.
protected:
~TimerTask();
/// Destroys the TimerTask.
private:
TimerTask(const TimerTask&);
TimerTask& operator = (const TimerTask&);
Poco::Timestamp _lastExecution;
bool _isCancelled;
friend class TaskNotification;
};
//
// inlines
//
inline bool TimerTask::isCancelled() const
{
return _isCancelled;
}
inline Poco::Timestamp TimerTask::lastExecution() const
{
return _lastExecution;
}
} } // namespace Poco::Util
#endif // Util_TimerTask_INCLUDED
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