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/*
* Copyright (C) 2007-2008 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#ifndef BU_ITO_COUNTER_H
#define BU_ITO_COUNTER_H
#include "itomutex.h"
namespace Bu
{
/**
* A simple thread-safe counter class. This is handy for assigning unique
* IDs to objects that are being created in different threads.
*@ingroup Threading Containers
*/
template <class T>
class ItoCounter
{
public:
ItoCounter() :
tCounter( 0 )
{
}
virtual ~ItoCounter()
{
}
T next()
{
mOperate.lock();
T tRet = tCounter;
tCounter++;
mOperate.unlock();
return tRet;
}
private:
T tCounter; /**< The counter itself. */
ItoMutex mOperate; /**< The master mutex, used on all operations. */
};
}
#endif
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