#ifndef _M_DELAY_EXECUTOR_H
#define _M_DELAY_EXECUTOR_H

#include <ace/Task.h>
#include <ace/Activation_Queue.h>
#include <ace/Method_Request.h>

class DelayExecutor : protected ACE_Task_Base
{
    public:

        DelayExecutor();
        virtual ~DelayExecutor();

        static DelayExecutor* instance();

        int execute(ACE_Method_Request* new_req);

        int start(int num_threads = 1, ACE_Method_Request* pre_svc_hook = NULL, ACE_Method_Request* post_svc_hook = NULL);

        int deactivate();

        bool activated();

        virtual int svc();

    private:

        ACE_Message_Queue<ACE_SYNCH> mqueue_;
        ACE_Activation_Queue queue_;
        ACE_Method_Request* pre_svc_hook_;
        ACE_Method_Request* post_svc_hook_;
        bool activated_;

        void activated(bool s);
};

#endif // _M_DELAY_EXECUTOR_H
