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package Moose::Meta::Role::Application;
our $VERSION = '2.4000';
use strict;
use warnings;
use metaclass;
use overload ();
use List::Util 1.33 qw( all );
use Moose::Util 'throw_exception';
__PACKAGE__->meta->add_attribute('method_exclusions' => (
init_arg => '-excludes',
reader => 'get_method_exclusions',
default => sub { [] },
Class::MOP::_definition_context(),
));
__PACKAGE__->meta->add_attribute('method_aliases' => (
init_arg => '-alias',
reader => 'get_method_aliases',
default => sub { {} },
Class::MOP::_definition_context(),
));
sub new {
my ($class, %params) = @_;
$class->_new(\%params);
}
sub is_method_excluded {
my ($self, $method_name) = @_;
foreach (@{$self->get_method_exclusions}) {
return 1 if $_ eq $method_name;
}
return 0;
}
sub is_method_aliased {
my ($self, $method_name) = @_;
exists $self->get_method_aliases->{$method_name} ? 1 : 0
}
sub is_aliased_method {
my ($self, $method_name) = @_;
my %aliased_names = reverse %{$self->get_method_aliases};
exists $aliased_names{$method_name} ? 1 : 0;
}
sub apply {
my $self = shift;
$self->check_role_exclusions(@_);
$self->check_required_methods(@_);
$self->check_required_attributes(@_);
$self->apply_overloading(@_);
$self->apply_attributes(@_);
$self->apply_methods(@_);
$self->apply_override_method_modifiers(@_);
$self->apply_before_method_modifiers(@_);
$self->apply_around_method_modifiers(@_);
$self->apply_after_method_modifiers(@_);
}
sub check_role_exclusions { throw_exception( "CannotCallAnAbstractMethod" ); }
sub check_required_methods { throw_exception( "CannotCallAnAbstractMethod" ); }
sub check_required_attributes { throw_exception( "CannotCallAnAbstractMethod" ); }
sub apply_attributes { throw_exception( "CannotCallAnAbstractMethod" ); }
sub apply_methods { throw_exception( "CannotCallAnAbstractMethod" ); }
sub apply_override_method_modifiers { throw_exception( "CannotCallAnAbstractMethod" ); }
sub apply_method_modifiers { throw_exception( "CannotCallAnAbstractMethod" ); }
sub apply_before_method_modifiers { (shift)->apply_method_modifiers('before' => @_) }
sub apply_around_method_modifiers { (shift)->apply_method_modifiers('around' => @_) }
sub apply_after_method_modifiers { (shift)->apply_method_modifiers('after' => @_) }
sub apply_overloading {
my ( $self, $role, $other ) = @_;
return unless $role->is_overloaded;
unless ( $other->is_overloaded ) {
$other->set_overload_fallback_value(
$role->get_overload_fallback_value );
}
for my $overload ( $role->get_all_overloaded_operators ) {
next if $other->has_overloaded_operator( $overload->operator );
$other->add_overloaded_operator(
$overload->operator => $overload->clone );
}
}
1;
# ABSTRACT: A base class for role application
__END__
=pod
=encoding UTF-8
=head1 NAME
Moose::Meta::Role::Application - A base class for role application
=head1 VERSION
version 2.4000
=head1 DESCRIPTION
This is the abstract base class for role applications.
The API for this class and its subclasses still needs some
consideration, and is intentionally not yet documented.
=head2 METHODS
=over 4
=item B<new>
=item B<meta>
=item B<get_method_exclusions>
=item B<is_method_excluded>
=item B<get_method_aliases>
=item B<is_aliased_method>
=item B<is_method_aliased>
=item B<apply>
=item B<check_role_exclusions>
=item B<check_required_methods>
=item B<check_required_attributes>
=item B<apply_attributes>
=item B<apply_methods>
=item B<apply_overloading>
=item B<apply_method_modifiers>
=item B<apply_before_method_modifiers>
=item B<apply_after_method_modifiers>
=item B<apply_around_method_modifiers>
=item B<apply_override_method_modifiers>
=back
=head1 BUGS
See L<Moose/BUGS> for details on reporting bugs.
=head1 AUTHORS
=over 4
=item *
Stevan Little <stevan@cpan.org>
=item *
Dave Rolsky <autarch@urth.org>
=item *
Jesse Luehrs <doy@cpan.org>
=item *
Shawn M Moore <sartak@cpan.org>
=item *
יובל קוג'מן (Yuval Kogman) <nothingmuch@woobling.org>
=item *
Karen Etheridge <ether@cpan.org>
=item *
Florian Ragwitz <rafl@debian.org>
=item *
Hans Dieter Pearcey <hdp@cpan.org>
=item *
Chris Prather <chris@prather.org>
=item *
Matt S Trout <mstrout@cpan.org>
=back
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2006 by Infinity Interactive, Inc.
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
|
