rocketmq-client4cpp/src/kpr/TimerTaskManager.h

/**
* Copyright (C) 2013 kangliqiang ,kangliq@163.com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __KPR_TIMERTASKMANAGER_H__
#define __KPR_TIMERTASKMANAGER_H__

#include <list>
#include <map>

#include "RocketMQClient.h"
#include "TimerThread.h"
#include "ThreadPool.h"
#include "ThreadPoolWork.h"

namespace kpr
{

class TimerTask : public kpr::ThreadPoolWork
{
public:
    TimerTask()
        : m_isProcessing(false)
    {
    }

	virtual ~TimerTask()
	{
	}

    virtual void Do()
    {
		try
		{
        	DoTask();
		}
		catch(...)
		{
			RMQ_ERROR("TimerTask exception");
		}
        m_isProcessing = false;
    }

    bool IsProcessing()
    {
        return m_isProcessing;
    }

    void SetProcessing(bool isProcessing)
    {
        m_isProcessing = isProcessing;
    }

    virtual void DoTask() = 0;

private:
    bool m_isProcessing;
};
typedef kpr::RefHandleT<TimerTask> TimerTaskPtr;


class TimerTaskManager : public TimerHandler
{
public:
    TimerTaskManager();
    virtual ~TimerTaskManager();

    int Init(int maxThreadCount, int checklnteval);
    unsigned int RegisterTimer(unsigned int initialDelay, unsigned int elapse, TimerTaskPtr pTask);
    bool UnRegisterTimer(unsigned int timerId);
    bool ResetTimer(unsigned int timerId);
    void Stop();

    virtual void OnTimeOut(unsigned int timerId);

private:
    std::map<unsigned int, TimerTaskPtr> m_timerTasks;
    kpr::Mutex m_mutex;
    TimerThreadPtr m_timerThread;
    kpr::ThreadPoolPtr m_pThreadPool;
};

}
#endif