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/* Copyright (c) 2000 MBARI                                                 */
/* MBARI Proprietary Information. All rights reserved.                      */
/****************************************************************************/
/* Summary  :                                                               */
/* Filename : EventTriggers.h                                               */
/* Author   :                                                               */
/* Project  :                                                               */
/* Version  : 1.0                                                           */
/* Created  : 02/07/2000                                                    */
/* Modified :                                                               */
/* Archived :                                                               */
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/* Modification History:                                                    */
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#ifndef _EVENTTRIGGERS_H
#define _EVENTTRIGGERS_H

#include "SharedObject.h"
#include "DynamicArray.h"
#include "TaskServer.h"
#include "Exception.h"

/*
CLASS 
EventTriggers

DESCRIPTION
Specifies server-owned proxies to be triggered on events originating in
main Task.

AUTHOR
Tom O'Reilly
*/
class EventTriggers {

public:

  ///////////////////////////////////////////////////////////////////
  // Constructor
  EventTriggers(pid_t observer);

  ///////////////////////////////////////////////////////////////////
  // Destructor
  virtual ~EventTriggers();

  ///////////////////////////////////////////////////////////////////
  // Specify proxy to be triggered for given event
  void add(EventCode eventCode)
    throw (Exception); 

  ///////////////////////////////////////////////////////////////////
  // Called by Task to notify TaskServer that event occurred
  void notify(EventCode eventCode)
    throw (Exception);

private:

  pid_t _observer;

  struct EventTrigger {
    TaskServer::Event *notification;
    pid_t proxy;
  };

  DynamicArray<EventTrigger *> _eventTriggers;
};

#endif