BIS 2.3 - Access Engine DMS - Data Management System | en 99
Bosch Sicherheitssysteme GmbH Installation manual F.01U.028.713 | V 2.3.0.1 | 2009.11
– End/cancellation of work on the request
and sent to the loggifier.
Calendar library
The calendar library is based on Julian dates, including the
corresponding conversion functions. This time format makes
the applications independent of the special time form of the
relevant system.
The basic function is extended by the definition of a date class
and a date time class
Based on the Julian date, the number of days since January 1,
4714 B.C., the date class offers the following applications
– To calculate day differences (with automatic consideration
of leap years),
–To compare data,
– And to convert data from an internal database format into
a format for presentation in the dialogs.
The date time class is based on Julian time, the number of
0.1 microseconds since 1.1.1601-00:00:00 UTC, and the
date class including the following applications
– To calculate time differences (including the change
between standard time and daylight savings time and vice-
versa),
– And to convert the time between the different time
formats, especially the internal database format and the
format for presentation in dialogs.
An additional calendar library CAL was inserted, which
administers the complex structure of the tables that form the
central calendar. The library hides this structure from its users
and simplifies access, especially to the time models. Its users
are dialogs and applications such as the access control
interface process. This class library contains classes for
carrying out the following functions:
– Creation of day models
– Creation of an overview of the existing day models
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