# ABSTRACT: Iterates through revision history
package Pinto::RevisionWalker;
use Moose;
use MooseX::StrictConstructor;
use MooseX::Types::Moose qw(ArrayRef);
use MooseX::MarkAsMethods ( autoclean => 1 );
#------------------------------------------------------------------------------
our $VERSION = '0.09991'; # VERSION
#------------------------------------------------------------------------------
# TODO: Rethink this API. Do we need start? Can we just use queue? What
# about filtering, or walking forward? Sort chronological or topological?
has start => (
is => 'ro',
isa => 'Pinto::Schema::Result::Revision',
required => 1,
);
has queue => (
isa => ArrayRef,
traits => [qw(Array)],
handles => { enqueue => 'push', dequeue => 'shift' },
default => sub { [ $_[0]->start ] },
lazy => 1,
);
#------------------------------------------------------------------------------
sub next {
my ($self) = @_;
my $next = $self->dequeue;
return if not $next;
return if $next->is_root;
$self->enqueue( $next->parents );
return $next;
}
#------------------------------------------------------------------------------
__PACKAGE__->meta->make_immutable;
#-------------------------------------------------------------------------------
1;
__END__
=pod
=encoding UTF-8
=for :stopwords Jeffrey Ryan Thalhammer BenRifkah Fowler Jakob Voss Karen Etheridge Michael
G. Bergsten-Buret Schwern Oleg Gashev Steffen Schwigon Tommy Stanton
Wolfgang Kinkeldei Yanick Boris Champoux brian d foy hesco popl Däppen Cory
G Watson David Steinbrunner Glenn
=head1 NAME
Pinto::RevisionWalker - Iterates through revision history
=head1 VERSION
version 0.09991
=head1 AUTHOR
Jeffrey Ryan Thalhammer <jeff@stratopan.com>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2014 by Jeffrey Ryan Thalhammer.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut