IntegerCounter.h

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#ifndef IntegerCounter_H
#define IntegerCounter_H

#include "PtMutex.h"

BOREALIS_NAMESPACE_BEGIN;

class IntegerCounter
{
public:
  IntegerCounter()
    throw (std::exception);

  virtual ~IntegerCounter();

  // If the current value of the int is < maxValue, this will increment the int
  // by one and return true.
  // If incrementing the int would make its value exceed 'maxValue', then this
  // will return false and will not modify the int.
  bool incrementWithTest(int maxValue)
    throw (std::exception);

  // Decrements the int. If decrementing the value would make the int negative, then
  // this is a no-op, and throws an exception.
  void decrement()
    throw (std::exception);

  int getValue()
    throw (std::exception);

private:
  IntegerCounter(const IntegerCounter & rhs);
  IntegerCounter & operator= (const IntegerCounter & rhs);

  PtMutex * _pMtx;
  int _intValue;
};

BOREALIS_NAMESPACE_END;

#endif

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