jobservable.h
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/***************************************************************************
* Copyright (C) 2005 by Jeff Ferr *
* root@sat *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
a***************************************************************************/
#ifndef J_OBSERVABLE_H
#define J_OBSERVABLE_H
#include "jobserver.h"
#include "jmutex.h"
#include <string>
#include <vector>
#include <algorithm>
#include <stdint.h>
namespace jcommon {
/**
* \brief
*
* \author Jeff Ferr
*/
class Observable : public virtual jcommon::Object{
private:
std::vector<Observer *> _observers;
jthread::Mutex _mutex;
bool _changed;
public:
/**
* \brief
*
*/
Observable();
/**
* \brief
*
*/
virtual ~Observable();
/**
* \brief
*
*/
void AddObserver(Observer *o);
/**
* \brief
*
*/
void RemoveObserver(Observer *o);
/**
* \brief
*
*/
void RemoveAllObservers();
/**
* \brief
*
*/
void NotifyObservers(void *v = NULL);
/**
* \brief
*
*/
void SetChanged(bool b);
/**
* \brief
*
*/
bool HasChanged();
/**
* \brief
*
*/
int CountObservers();
};
}
#endif