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package Forest::Tree::Indexer;
use Moose::Role;
use MooseX::AttributeHelpers;
our $VERSION = '0.09';
our $AUTHORITY = 'cpan:STEVAN';
has 'tree' => (
is => 'rw',
isa => 'Forest::Tree::Pure',
);
has 'index' => (
metaclass => 'Collection::Hash',
is => 'rw',
isa => 'HashRef[Forest::Tree::Pure]',
lazy => 1,
default => sub { {} },
provides => {
'get' => 'get_tree_at',
'exists' => 'has_tree_at',
'clear' => 'clear_index',
'keys' => 'get_index_keys',
}
);
requires 'build_index';
sub get_root { (shift)->tree }
no Moose::Role; 1;
__END__
=pod
=head1 NAME
Forest::Tree::Indexer - An abstract role for tree indexers
=head1 DESCRIPTION
This is an abstract role for tree writers.
=head1 ATTRIBUTES
=over 4
=item I<tree>
=item I<index>
=over 4
=item B<get_tree_at ($key)>
=item B<clear_index>
=item B<get_index_keys>
=back
=back
=head1 REQUIRED METHODS
=over 4
=item B<build_index>
=back
=head1 METHODS
=over 4
=item B<get_root>
=back
=head1 BUGS
All complex software has bugs lurking in it, and this module is no
exception. If you find a bug please either email me, or add the bug
to cpan-RT.
=head1 AUTHOR
Stevan Little E<lt>stevan.little@iinteractive.comE<gt>
=head1 COPYRIGHT AND LICENSE
Copyright 2008-2010 Infinity Interactive, Inc.
L<http://www.iinteractive.com>
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=cut
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