Forest::Tree::Loader - An abstract role for loading trees

Forest documentation Contained in the Forest distribution.

Index

Code Index:

NAME

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Forest::Tree::Loader - An abstract role for loading trees

DESCRIPTION

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This role should generally not be used, it has been largely superseded by Forest::Tree::Builder.

This is an abstract role to be used for loading trees from

METHODS

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BUGS

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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.

AUTHOR

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Stevan Little <stevan.little@iinteractive.com>

COPYRIGHT AND LICENSE

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Copyright 2008-2010 Infinity Interactive, Inc.

http://www.iinteractive.com

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

Forest documentation Contained in the Forest distribution. 
package Forest::Tree::Loader;
use Moose::Role;

our $VERSION   = '0.09';
our $AUTHORITY = 'cpan:STEVAN';

with 'Forest::Tree::Constructor';

has 'tree' => (
    is      => 'ro',
    writer  => "_tree",
    isa     => 'Forest::Tree',
    lazy    => 1,

    # FIXME should really be shift->create_new_subtree() but that breaks
    # compatibility when this method is overridden and shouldn't apply to the
    # root node... anyway, Loader should be deprecated anyway
    default => sub { Forest::Tree->new },
);

# more compatibility, the tree class is determined by the class of the root
# which might not be Forest::Tree in subclasses or with explicit
# ->new( tree => ... )
has tree_class => (
    isa => "ClassName",
    is  => "ro",
    reader => "_tree_class",
    default => sub { ref shift->tree },
);

sub tree_class { shift->_tree_class(@_) }

requires 'load';

no Moose::Role; 1;

__END__