/usr/share/perl5/NetSDS/Feature.pm is in libnetsds-perl 1.301-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# FILE: Feature.pm
#
# DESCRIPTION: Abstract application feature class.
#
# NOTES: ---
# AUTHOR: Michael Bochkaryov (RATTLER), <misha@rattler.kiev.ua>
# COMPANY: Net.Style
# CREATED: 14.09.2008 12:32:03 EEST
#===============================================================================
=head1 NAME
NetSDS::Feature - abstract application feature
=head1 SYNOPSIS
package NetSDS::Feature::DBI;
use DBI;
use base 'NetSDS::Feature';
sub init {
my ($self) = @_;
my $dsn = $self->conf->{dsn};
my $user = $self->conf->{user};
my $passwd = $self->conf->{passwd};
$self->{dbconn} = DBI->connect($dsn, $user, $passwd);
}
# Sample method - DBI::do proxy
sub do {
my $self = shift @_;
return $self->{dbconn}->do(@_);
}
1;
=head1 DESCRIPTION
Application C<features> are Perl5 packages with unified API for easy
integration of some functionality into NetSDS applications infrastructure.
C<NetSDS::Feature> module contains superclass for application features
providing the following common feature functionality:
* class construction
* initialization stub
* logging
=cut
package NetSDS::Feature;
use 5.8.0;
use strict;
use warnings;
use base qw(Class::Accessor Class::ErrorHandler);
use version; our $VERSION = '1.301';
#===============================================================================
=head1 CLASS METHODS
=over
=item B<create($app, $conf)> - feature constructor
=cut
#-----------------------------------------------------------------------
sub create {
my ( $class, $app, $conf ) = @_;
my $self = {
app => $app,
conf => $conf,
};
bless $self, $class;
# Module specific initialization
$self->init();
return $self;
}
#***********************************************************************
=item B<init()> - feature initialization
This method should be rewritten with feature functionality implementation.
It's possibly to use application and configuration handlers at this time.
Example:
sub init {
my ($self) = @_;
$self->{answer} = $self->conf->{answer} || '42';
my $pid = $self->app->pid();
if ($self->app->daemon()) {
$self->log("info", "Seems we are in a daemon mode");
}
}
=cut
#-----------------------------------------------------------------------
sub init {
my ($self) = @_;
}
#***********************************************************************
=back
=head1 OBJECT METHODS
=over
=item B<app()> - application object
This method allows to use application methods and properties.
print "Feature included from app: " . $self->app->name;
=cut
#-----------------------------------------------------------------------
__PACKAGE__->mk_ro_accessors('app');
#***********************************************************************
=item B<conf()> - feature configuration
This method provides access to feature configuration.
=cut
#-----------------------------------------------------------------------
__PACKAGE__->mk_ro_accessors('conf');
#***********************************************************************
=item B<log($level, $message)> - implements logging
Example:
# Write log message
$self->log("info", "Application does something interesting.");
See L<NetSDS::Logger> documentation for details.
=cut
#-----------------------------------------------------------------------
sub log {
my ($self) = shift @_;
return $self->app->log(@_);
}
1;
__END__
=back
=head1 EXAMPLES
See C<samples/app_features.pl> script.
=head1 SEE ALSO
=over
=item * L<NetSDS::App>
=back
=head1 AUTHOR
Michael Bochkaryov <misha@rattler.kiev.ua>
=head1 LICENSE
Copyright (C) 2008-2009 Net Style Ltd.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
=cut
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