/*
 *******************************************************************************
 *                                   INCLUDE
 *******************************************************************************
 */
#include "System.h"
#include <Poco/Exception.h>

namespace Video
{
namespace Core
{
/*
 *******************************************************************************
 *                                CLASS DEFINE
 *******************************************************************************
 */
System* System::_pInstance = nullptr;
System::System()
{
}

System::~System()
{
    delete _pInstance;
    _pInstance = nullptr;
}

uint64_t System::timestamp()
{
    if (!_pInstance)
        throw Poco::IllegalStateException("Unregister implement class.");

    return _pInstance->getTimestamp();
}
}
}