Data::Conveyor::App::Mutex - Stage-based conveyor-belt-like ticket handling system

Data-Conveyor documentation Contained in the Data-Conveyor distribution.

Index

Code Index:

NAME

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Data::Conveyor::App::Mutex - Stage-based conveyor-belt-like ticket handling system

VERSION

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version 1.103130

INSTALLATION

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See perlmodinstall for information and options on installing Perl modules.

BUGS AND LIMITATIONS

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No bugs have been reported.

Please report any bugs or feature requests through the web interface at http://rt.cpan.org/Public/Dist/Display.html?Name=Data-Conveyor.

AVAILABILITY

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The latest version of this module is available from the Comprehensive Perl Archive Network (CPAN). Visit http://www.perl.com/CPAN/ to find a CPAN site near you, or see http://search.cpan.org/dist/Data-Conveyor/.

The development version lives at http://github.com/hanekomu/Data-Conveyor and may be cloned from git://github.com/hanekomu/Data-Conveyor. Instead of sending patches, please fork this project using the standard git and github infrastructure.

AUTHORS

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COPYRIGHT AND LICENSE

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This software is copyright (c) 2004 by Marcel Gruenauer.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

Data-Conveyor documentation Contained in the Data-Conveyor distribution. 
use 5.008;
use strict;
use warnings;

package Data::Conveyor::App::Mutex;
BEGIN {
  $Data::Conveyor::App::Mutex::VERSION = '1.103130';
}
# ABSTRACT: Stage-based conveyor-belt-like ticket handling system
use Error::Hierarchy::Util 'assert_defined';
use Data::Conveyor::Mutex;
use parent 'Class::Scaffold::App::CommandLine';

# define the 'mutex' accessor via 'get_set_std', not via 'object =>
# Data::Conveyor::Mutex', because we don't always have a mutex object,
# depending on the environment. In DESTROY() we do 'return unless
# $self->mutex', which would still trigger the mutex object constructor - so
# we avoid that.
__PACKAGE__->mk_scalar_accessors(qw(mutex_key))
  ->mk_framework_object_accessors(mutex => 'mutex');

sub app_init {
    my $self = shift;
    $self->SUPER::app_init(@_);
    if ($self->delegate->respect_mutex) {
        assert_defined $self->mutex_key, 'called without set mutex_key.';
        $self->mutex->application($self->mutex_key);
        $self->mutex->mutex_getconf;
        exit 0 unless $self->mutex->get_mutex;
    }
}
DESTROY {
    my $self = shift;
    return unless $self->delegate->respect_mutex && $self->mutex;
    $self->mutex->release_mutex;
}
1;


__END__