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/**
* @file Timestamp.h
* Definition of class example::Timestamp.
*/
#ifndef __Timestamp_h_
#define __Timestamp_h_
#include <string>
namespace example {
class IStreamable;
class InStream;
class OutStream;
/**
* Timestamp is a timestamp with nanosecond resolution.
*/
class Timestamp
: public IStreamable
{
public:
/**
* Default constructor.
*/
Timestamp();
/**
* Constructor.
*
* @param sec The seconds
* @param nsec The nanoseconds
*/
Timestamp(long sec, unsigned long nsec);
/**
* Destructor.
*/
virtual ~Timestamp();
/**
* Adds two timestamps.
*
* @param rhs The other timestamp
* @return The resulting timestamp
*/
Timestamp operator+ (const Timestamp& rhs) const;
/**
* Substracts two timestamps.
*
* @param rhs The other timestamp
* @return The resulting timestamp
*/
Timestamp operator- (const Timestamp& rhs) const;
/**
* Compares two timestamps.
*
* @param rhs The other timestamp
* @return true if timestamp is smaller than the given timestamp
*/
bool operator< (const Timestamp& rhs) const;
/**
* Compares two timestamps.
*
* @param rhs The other timestamp
* @return true if timestamp is greater than the given timestamp
*/
bool operator> (const Timestamp& rhs) const;
/**
* Compares two timestamps.
*
* @param rhs The other timestamp
* @return true if timestamp is equal to the given timestamp
*/
bool operator== (const Timestamp& rhs) const;
/**
* Compares two timestamps.
*
* @param rhs The other timestamp
* @return true if timestamp is not equal to the given timestamp
*/
bool operator!= (const Timestamp& rhs) const;
/**
* Adds an other timestamp.
*
* @param rhs The other timestamp
*/
void operator+= (const Timestamp& rhs);
/**
* Adds milliseconds.
*
* @param ms The milliseconds
* @return The resulting timestamp
*/
Timestamp addMilliseconds(unsigned long ms) const;
/**
* Adds nanoseconds.
*
* @param ns The nanoseconds
* @return The resulting timestamp
*/
Timestamp addNanoseconds(unsigned long ns) const;
/**
* Checks if this timestamp is zero.
*
* @return true if timestamp is zero
*/
bool isZero() const;
/**
* Gets the milliseconds.
* @attention Negativ timestamp return zero
*
* @return The milliseconds
*/
unsigned long getMilliseconds() const;
/**
* Divide timestamps by two.
*
* @return The resulting timestamp
*/
Timestamp divideByTwo();
/**
* Gets the string-representation.
*
* @return The string representation
*/
std::string getString() const;
/**
* Gets the string-representation in milliseconds.
*
* @return The string representation
*/
std::string getStringMilliseconds() const;
/**
* Resets the timestamp.
*/
void reset();
/** The seconds */
long sec;
/** The nanoseconds */
unsigned long nsec;
InStream& operator << (InStream& in);
OutStream& operator >> (OutStream& out) const;
};
} // namespace
#endif // __Timestamp_h_
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