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#-*- perl -*-
#
# Copyright (C) 2001 Ken'ichi Fukamachi
# All rights reserved. This program is free software; you can
# redistribute it and/or modify it under the same terms as Perl itself.
#
# $FML: RDBMS.pm,v 1.9 2001/05/30 14:35:11 fukachan Exp $
#
package IO::Adapter::RDBMS;
use strict;
use vars qw(@ISA @EXPORT @EXPORT_OK $AUTOLOAD);
use Carp;
=head1 NAME
IO::Adapter::RDBMS - IO with SQL servers
=head1 SYNOPSIS
... not yet ...
=head1 DESCRIPTION
... not yet ...
=head1 METHODS
=head2 C<configure($args)>
Configure object for C<dsn>.
new({
driver => 'SQL::Schema::toymodel',
});
It forwards the request to the specified driver,
which knows the sql statement how to add, delete and select.
=cut
# Descriptions: configure the detail between SQL servers
# all requests are forwarded to the specified sub-class.
# Arguments: $self $args
# Side Effects: none
# Return Value: subclass object
sub configure
{
my ($self, $args) = @_;
my $type = $args->{ _type };
my $schema = $args->{ _schema };
$type = 'MySQL' if $type eq 'mysql';
$type = 'PostgreSQL' if $type eq 'postgresql';
my $driver = "IO::Adapter::${type}::${schema}";
# forward the request to the specified subclass or DBI base class
eval qq{ require $driver; $driver->import();};
unless ($@) {
@ISA = ($driver);
}
else {
return undef;
}
}
=head1 AUTHOR
Ken'ichi Fukamachi
=head1 COPYRIGHT
Copyright (C) 2001 Ken'ichi Fukamachi
All rights reserved. This program is free software; you can
redistribute it and/or modify it under the same terms as Perl itself.
=head1 HISTORY
IO::Adapter::RDBMS appeared in fml5 mailing list driver package.
See C<http://www.fml.org/> for more details.
=cut
1;
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