NAME
XAS::Monitor::Database - A Perl extension for the XAS environment
SYNOPSIS
use XAS::Monitor::Database
my $monitor = XAS::Monitor::Database->new(
-alias => 'monitor',
-logger => 'logger',
-schedule => '*/1 * * * *',
);
DESCRIPTION
This module inherits from XAS::Monitor::Base and provides a base class for monitors that monitor items within a databae.
METHODS
new
This method initializes the module and take these three parameters:
- -alias
-
The name of this session.
- -logger
-
The alias for the logger session.
- -schedule
-
The schedule to follow when monitoring. It defaults to: "*/1 * * * *". Which is do something once a minute.
initialize
This method declares the event "monitor" and opens the connection to the database.
cleanup
This method stops the "monitor" processing and closes the database connection.
monitor
The method that does the actual monitoring. By default it does nothing and needs to be overridden. The overridden method takes two parameters:
PUBLIC EVENTS
startup
This event schedules the processing of "monitor" with the supplied schedule.
shutdown
This is triggered by a "shutdown" event and calls the cleanup() method.
monitor
This is triggered by the schedule and calls the monitor() method.
SEE ALSO
XAS
AUTHOR
Kevin Esteb, <kevin@kesteb.us>
COPYRIGHT AND LICENSE
Copyright (C) 2009 by Kevin L. Esteb
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.8 or, at your option, any later version of Perl 5 you may have available.