Class DV

Represents an absolute point in time, as measured on the Gregorian calendar, and
specified only to the day. Semantics defined by ISO 8601.
Used for recording dates in real world time. The partial form is used for
approximate birth dates, dates of death, etc.

Attribut value

ISO8601 date string .

Declaration :

Uml : + value : String, multiplicity : 1
C++ : public: string value
Java : public String value

Operation magnitude

Numeric value of the date as days since the calendar origin point 1/1/0000.

Declaration :

Uml : + magnitude() : Integer
C++ : public: int magnitude()
Java : public int magnitude()

Operation diff

Difference of two temporal quantities.

Declaration :

Uml : + diff() : DV_AMOUNT
C++ : public: DV_AMOUNT * diff()
Java : public DV_AMOUNT diff()

Operation is_strictly_comparable_to

Test if two instances are strictly comparable.

Declaration :

Uml : + is_strictly_comparable_to(in other : DV_ORDERED) : Boolean
C++ : public: virtual bool is_strictly_comparable_to(const DV_ORDERED & other)
Java : public boolean is_strictly_comparable_to()

Operation operator<

Tests if this date is earlier than the cited date.

Declaration :

Uml : + operator<(in other_quantity : DV_ORDERED) : Boolean
C++ : public: bool operator<(const DV_ORDERED & other_quantity)

Operation add

Add a time period to this date.

Declaration :

Uml : + add(in a_diff : DV_AMOUNT) : DV_ABSOLUTE_QUANTITY
C++ : public: virtual DV_ABSOLUTE_QUANTITY * add()
Java : public DV_ABSOLUTE_QUANTITY add(DV_AMOUNT a_diff)

Operation subtract

Subtract a time period from this date.

Declaration :

Uml : + subtract(in a_diif : DV_AMOUNT) : DV_ABSOLUTE_QUANTITY
C++ : public: virtual DV_ABSOLUTE_QUANTITY * subtract()
Java : public DV_ABSOLUTE_QUANTITY subtract()