<syntaxhighlight lang="python"> namespace Core {
/// <summary> /// A platform-neutral 128-bit universal identifier. It is essentially guaranteed to never /// generate the same ID twice. /// </summary> class cUID { public: typedef unsigned long long int uint64;
/// <summary> /// Create a default UID. In order to create a UID that has a valid unique identifier you /// must call Generate(). /// </summary> cUID() : mHighBits( 0 ), mLowBits( 0 ) { }
cUID( uint64 high, uint64 low ) : mHighBits( high ), mLowBits( low ) { } cUID( const cUID & obj ) : mHighBits( obj.mHighBits ), mLowBits( obj.mLowBits ) { } cUID& operator=( const cUID & rhs ) { mHighBits = rhs.mHighBits; mLowBits = rhs.mLowBits; return *this; }
/// <summary> /// Set the value of the UID from two long integer values. It is up to the caller to ensure that /// the resulting UID is unique. /// </summary> void SetValue( uint64 highBits, uint64 lowBits ) { mHighBits = highBits; mLowBits = lowBits; }
/// <summary>Get the low 64 bits of the UID.</summary> uint64 LowBits() const { return mLowBits; }
/// <summary>Get the high 64 bits of the UID.</summary> uint64 HighBits() const { return mHighBits; }
/// <summary>Returns true if the ID is valid.</summary> bool Valid() const { return ( mHighBits != 0 && mLowBits != 0 ); }
/// <summary>Generate a new UID value.</summary> static cUID Generate();
//==================================================================================== // Comparison operators //====================================================================================
bool operator<( const cUID & rhs ) const { return ( ( mHighBits < rhs.mHighBits ) ? true : ( mHighBits == rhs.mHighBits ? ( mLowBits < rhs.mLowBits ) : false ) ); } bool operator<=( const cUID & rhs ) const { return ( ( mHighBits < rhs.mHighBits ) ? true : ( mHighBits == rhs.mHighBits ? ( mLowBits <= rhs.mLowBits ) : false ) ); } bool operator>( const cUID & rhs ) const { return !( *this <= rhs ); } bool operator>=( const cUID & rhs ) const { return !( *this < rhs ); } bool operator==( const cUID & rhs ) const { return ( ( mHighBits == rhs.mHighBits ) && ( mLowBits == rhs.mLowBits ) ); } bool operator!=( const cUID & rhs ) const { return !( *this == rhs ); }
//==================================================================================== // Constants //====================================================================================
static const cUID Invalid;
private: uint64 mHighBits; uint64 mLowBits; };
} </syntaxhighlight>
