X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FMeta%2FRole.pm;h=19c2a4e814ec04ea965abbfaee992073de84f242;hb=c9d7e3969b1695246e82f8d4260222216d2aa722;hp=4f19eb865704260571a2a05f75e78fc6376f7eb1;hpb=fb175631f4f6e2449cbd0c84c95fdd136e9256a9;p=gitmo%2FMoose.git diff --git a/lib/Moose/Meta/Role.pm b/lib/Moose/Meta/Role.pm index 4f19eb8..19c2a4e 100644 --- a/lib/Moose/Meta/Role.pm +++ b/lib/Moose/Meta/Role.pm @@ -5,10 +5,13 @@ use strict; use warnings; use metaclass; -use Carp 'confess'; use Scalar::Util 'blessed'; +use Carp 'confess'; +use Sub::Name 'subname'; +use Devel::GlobalDestruction 'in_global_destruction'; -our $VERSION = '0.56'; +our $VERSION = '0.79'; +$VERSION = eval $VERSION; our $AUTHORITY = 'cpan:STEVAN'; use Moose::Meta::Class; @@ -22,8 +25,8 @@ use base 'Class::MOP::Module'; ## I normally don't do this, but I am doing ## a whole bunch of meta-programmin in this ## module, so it just makes sense. For a clearer -## picture of what is going on in the next -## several lines of code, look at the really +## picture of what is going on in the next +## several lines of code, look at the really ## big comment at the end of this file (right ## before the POD). ## - SL @@ -40,7 +43,7 @@ my $META = __PACKAGE__->meta; # time when it is applied to a class. This means # keeping a lot of things in hash maps, so we are # using a little of that meta-programmin' magic -# here an saving lots of extra typin. And since +# here an saving lots of extra typin. And since # many of these attributes above require similar # functionality to support them, so we again use # the wonders of meta-programmin' to deliver a @@ -62,12 +65,11 @@ foreach my $action ( name => 'required_methods', attr_reader => 'get_required_methods_map', methods => { - add => 'add_required_methods', remove => 'remove_required_methods', get_list => 'get_required_method_list', existence => 'requires_method', } - }, + }, { name => 'attribute_map', attr_reader => 'get_attribute_map', @@ -116,11 +118,27 @@ foreach my $action ( }) if exists $methods->{remove}; } +$META->add_attribute( + 'method_metaclass', + reader => 'method_metaclass', + default => 'Moose::Meta::Role::Method', +); + +$META->add_attribute( + 'required_method_metaclass', + reader => 'required_method_metaclass', + default => 'Moose::Meta::Role::Method::Required', +); + ## some things don't always fit, so they go here ... sub add_attribute { my $self = shift; my $name = shift; + unless ( defined $name && $name ) { + require Moose; + Moose->throw_error("You must provide a name for the attribute"); + } my $attr_desc; if (scalar @_ == 1 && ref($_[0]) eq 'HASH') { $attr_desc = $_[0]; @@ -131,14 +149,19 @@ sub add_attribute { $self->get_attribute_map->{$name} = $attr_desc; } -# DEPRECATED -# sub _clean_up_required_methods { -# my $self = shift; -# foreach my $method ($self->get_required_method_list) { -# $self->remove_required_methods($method) -# if $self->has_method($method); -# } -# } +sub add_required_methods { + my $self = shift; + + for (@_) { + my $method = $_; + if (!blessed($method)) { + $method = $self->required_method_metaclass->new( + name => $method, + ); + } + $self->get_required_methods_map->{$method->name} = $method; + } +} ## ------------------------------------------------------------------ ## method modifiers @@ -154,12 +177,12 @@ sub add_attribute { foreach my $modifier_type (qw[ before around after ]) { my $attr_reader = "get_${modifier_type}_method_modifiers_map"; - + # create the attribute ... $META->add_attribute("${modifier_type}_method_modifiers" => ( reader => $attr_reader, default => sub { {} } - )); + )); # and some helper methods ... $META->add_method("get_${modifier_type}_method_modifiers" => sub { @@ -214,8 +237,8 @@ $META->add_attribute('override_method_modifiers' => ( sub add_override_method_modifier { my ($self, $method_name, $method) = @_; (!$self->has_method($method_name)) - || confess "Cannot add an override of method '$method_name' " . - "because there is a local version of '$method_name'"; + || Moose->throw_error("Cannot add an override of method '$method_name' " . + "because there is a local version of '$method_name'"); $self->get_override_method_modifiers_map->{$method_name} = $method; } @@ -251,7 +274,7 @@ sub update_package_cache_flag { ## ------------------------------------------------------------------ ## subroles -__PACKAGE__->meta->add_attribute('roles' => ( +$META->add_attribute('roles' => ( reader => 'get_roles', default => sub { [] } )); @@ -259,8 +282,9 @@ __PACKAGE__->meta->add_attribute('roles' => ( sub add_role { my ($self, $role) = @_; (blessed($role) && $role->isa('Moose::Meta::Role')) - || confess "Roles must be instances of Moose::Meta::Role"; + || Moose->throw_error("Roles must be instances of Moose::Meta::Role"); push @{$self->get_roles} => $role; + $self->reset_package_cache_flag; } sub calculate_all_roles { @@ -276,7 +300,7 @@ sub calculate_all_roles { sub does_role { my ($self, $role_name) = @_; (defined $role_name) - || confess "You must supply a role name to look for"; + || Moose->throw_error("You must supply a role name to look for"); # if we are it,.. then return true return 1 if $role_name eq $self->name; # otherwise.. check our children @@ -289,8 +313,6 @@ sub does_role { ## ------------------------------------------------------------------ ## methods -sub method_metaclass { 'Moose::Meta::Role::Method' } - sub get_method_map { my $self = shift; @@ -307,55 +329,47 @@ sub get_method_map { my $role_name = $self->name; my $method_metaclass = $self->method_metaclass; - my %all_code = $self->get_all_package_symbols('CODE'); + my $all_code = $self->get_all_package_symbols('CODE'); - foreach my $symbol (keys %all_code) { - my $code = $all_code{$symbol}; + foreach my $symbol (keys %{ $all_code }) { + my $code = $all_code->{$symbol}; next if exists $map->{$symbol} && defined $map->{$symbol} && $map->{$symbol}->body == $code; my ($pkg, $name) = Class::MOP::get_code_info($code); + my $meta = Class::MOP::class_of($pkg); - if ($pkg->can('meta') - # NOTE: - # we don't know what ->meta we are calling - # here, so we need to be careful cause it - # just might blow up at us, or just complain - # loudly (in the case of Curses.pm) so we - # just be a little overly cautious here. - # - SL - && eval { no warnings; blessed($pkg->meta) } # FIXME calls meta - && $pkg->meta->isa('Moose::Meta::Role')) { - my $role = $pkg->meta->name; + if ($meta && $meta->isa('Moose::Meta::Role')) { + my $role = $meta->name; next unless $self->does_role($role); } else { # NOTE: - # in 5.10 constant.pm the constants show up + # in 5.10 constant.pm the constants show up # as being in the right package, but in pre-5.10 - # they show up as constant::__ANON__ so we + # they show up as constant::__ANON__ so we # make an exception here to be sure that things # work as expected in both. # - SL unless ($pkg eq 'constant' && $name eq '__ANON__') { next if ($pkg || '') ne $role_name || (($name || '') ne '__ANON__' && ($pkg || '') ne $role_name); - } + } } - + $map->{$symbol} = $method_metaclass->wrap( $code, package_name => $role_name, - name => $name + name => $name ); } - return $map; + return $map; } -sub get_method { +sub get_method { my ($self, $name) = @_; $self->get_method_map->{$name}; } @@ -365,35 +379,29 @@ sub has_method { exists $self->get_method_map->{$name} ? 1 : 0 } -# FIXME this is copypasated from Class::MOP::Class +# FIXME this is copy-pasted from Class::MOP::Class # refactor to inherit from some common base sub wrap_method_body { my ( $self, %args ) = @_; - my $body = delete $args{body}; # delete is for compat - - ('CODE' eq ref($body)) - || confess "Your code block must be a CODE reference"; + ('CODE' eq ref $args{body}) + || Moose->throw_error("Your code block must be a CODE reference"); - $self->method_metaclass->wrap( $body => ( + $self->method_metaclass->wrap( package_name => $self->name, %args, - )); + ); } sub add_method { my ($self, $method_name, $method) = @_; (defined $method_name && $method_name) - || confess "You must define a method name"; + || Moose->throw_error("You must define a method name"); my $body; if (blessed($method)) { $body = $method->body; - if ($method->package_name ne $self->name && - $method->name ne $method_name) { - warn "Hello there, got something for you." - . " Method says " . $method->package_name . " " . $method->name - . " Class says " . $self->name . " " . $method_name; + if ($method->package_name ne $self->name) { $method = $method->clone( package_name => $self->name, name => $method_name @@ -412,7 +420,7 @@ sub add_method { my $full_method_name = ($self->name . '::' . $method_name); $self->add_package_symbol( { sigil => '&', type => 'CODE', name => $method_name }, - Class::MOP::subname($full_method_name => $body) + subname($full_method_name => $body) ); $self->update_package_cache_flag; # still valid, since we just added the method to the map, and if it was invalid before that then get_method_map updated it @@ -426,18 +434,11 @@ sub get_method_list { } sub alias_method { - my ($self, $method_name, $method) = @_; - (defined $method_name && $method_name) - || confess "You must define a method name"; + Carp::cluck("The alias_method method is deprecated. Use add_method instead.\n"); - my $body = (blessed($method) ? $method->body : $method); - ('CODE' eq ref($body)) - || confess "Your code block must be a CODE reference"; + my $self = shift; - $self->add_package_symbol( - { sigil => '&', type => 'CODE', name => $method_name }, - $body - ); + $self->add_method(@_); } ## ------------------------------------------------------------------ @@ -448,8 +449,8 @@ sub apply { my ($self, $other, @args) = @_; (blessed($other)) - || confess "You must pass in an blessed instance"; - + || Moose->throw_error("You must pass in an blessed instance"); + if ($other->isa('Moose::Meta::Role')) { require Moose::Meta::Role::Application::ToRole; return Moose::Meta::Role::Application::ToRole->new(@args)->apply($self, $other); @@ -457,49 +458,161 @@ sub apply { elsif ($other->isa('Moose::Meta::Class')) { require Moose::Meta::Role::Application::ToClass; return Moose::Meta::Role::Application::ToClass->new(@args)->apply($self, $other); - } + } else { require Moose::Meta::Role::Application::ToInstance; - return Moose::Meta::Role::Application::ToInstance->new(@args)->apply($self, $other); - } -} - -sub apply_to_metaclass_instance { - my ($self, $meta, @args) = @_; - - $meta->isa('Moose::Meta::Class') || $meta->isa('Moose::Meta::Role') - || confess "You must pass in a Moose::Meta::Class or Moose::Meta::Role instance"; - - require Moose::Meta::Role::Application::ToMetaclassInstance; - return Moose::Meta::Role::Application::ToMetaclassInstance->new(@args)->apply($self, $meta); + return Moose::Meta::Role::Application::ToInstance->new(@args)->apply($self, $other); + } } sub combine { my ($class, @role_specs) = @_; - + require Moose::Meta::Role::Application::RoleSummation; - require Moose::Meta::Role::Composite; - + require Moose::Meta::Role::Composite; + my (@roles, %role_params); while (@role_specs) { - my ($role, $params) = @{ splice @role_specs, 0, 1 }; - push @roles => $role->meta; + my ($role_name, $params) = @{ splice @role_specs, 0, 1 }; + my $requested_role = Class::MOP::class_of($role_name); + + my $actual_role = $requested_role->_role_for_combination($params); + push @roles => $actual_role; + next unless defined $params; - $role_params{$role} = $params; + $role_params{$actual_role->name} = $params; } - + my $c = Moose::Meta::Role::Composite->new(roles => \@roles); Moose::Meta::Role::Application::RoleSummation->new( role_params => \%role_params )->apply($c); - + return $c; } +sub _role_for_combination { + my ($self, $params) = @_; + return $self; +} + +sub create { + my ( $role, $package_name, %options ) = @_; + + $options{package} = $package_name; + + (ref $options{attributes} eq 'HASH') + || confess "You must pass a HASH ref of attributes" + if exists $options{attributes}; + + (ref $options{methods} eq 'HASH') + || confess "You must pass a HASH ref of methods" + if exists $options{methods}; + + my (%initialize_options) = %options; + delete @initialize_options{qw( + package + attributes + methods + version + authority + )}; + + my $meta = $role->initialize( $package_name => %initialize_options ); + + $meta->_instantiate_module( $options{version}, $options{authority} ); + + # FIXME totally lame + $meta->add_method('meta' => sub { + $role->initialize(ref($_[0]) || $_[0]); + }); + + if (exists $options{attributes}) { + foreach my $attribute_name (keys %{$options{attributes}}) { + my $attr = $options{attributes}->{$attribute_name}; + $meta->add_attribute($attribute_name => $attr); + } + } + + if (exists $options{methods}) { + foreach my $method_name (keys %{$options{methods}}) { + $meta->add_method($method_name, $options{methods}->{$method_name}); + } + } + + Class::MOP::weaken_metaclass($meta->name) + if $meta->is_anon_role; + + return $meta; +} + +# anonymous roles. most of it is copied straight out of Class::MOP::Class. +# an intrepid hacker might find great riches if he unifies this code with that +# code in Class::MOP::Module or Class::MOP::Package +{ + # NOTE: + # this should be sufficient, if you have a + # use case where it is not, write a test and + # I will change it. + my $ANON_ROLE_SERIAL = 0; + + # NOTE: + # we need a sufficiently annoying prefix + # this should suffice for now, this is + # used in a couple of places below, so + # need to put it up here for now. + my $ANON_ROLE_PREFIX = 'Moose::Meta::Role::__ANON__::SERIAL::'; + + sub is_anon_role { + my $self = shift; + no warnings 'uninitialized'; + $self->name =~ /^$ANON_ROLE_PREFIX/; + } + + sub create_anon_role { + my ($role, %options) = @_; + my $package_name = $ANON_ROLE_PREFIX . ++$ANON_ROLE_SERIAL; + return $role->create($package_name, %options); + } + + # NOTE: + # this will only get called for + # anon-roles, all other calls + # are assumed to occur during + # global destruction and so don't + # really need to be handled explicitly + sub DESTROY { + my $self = shift; + + return if in_global_destruction(); # it'll happen soon anyway and this just makes things more complicated + + no warnings 'uninitialized'; + return unless $self->name =~ /^$ANON_ROLE_PREFIX/; + + # XXX: is this necessary for us? I don't understand what it's doing + # -sartak + + # Moose does a weird thing where it replaces the metaclass for + # class when fixing metaclass incompatibility. In that case, + # we don't want to clean out the namespace now. We can detect + # that because Moose will explicitly update the singleton + # cache in Class::MOP. + #my $current_meta = Class::MOP::get_metaclass_by_name($self->name); + #return if $current_meta ne $self; + + my ($serial_id) = ($self->name =~ /^$ANON_ROLE_PREFIX(\d+)/); + no strict 'refs'; + foreach my $key (keys %{$ANON_ROLE_PREFIX . $serial_id}) { + delete ${$ANON_ROLE_PREFIX . $serial_id}{$key}; + } + delete ${'main::' . $ANON_ROLE_PREFIX}{$serial_id . '::'}; + } +} + ##################################################################### ## NOTE: -## This is Moose::Meta::Role as defined by Moose (plus the use of -## MooseX::AttributeHelpers module). It is here as a reference to +## This is Moose::Meta::Role as defined by Moose (plus the use of +## MooseX::AttributeHelpers module). It is here as a reference to ## make it easier to see what is happening above with all the meta ## programming. - SL ##################################################################### @@ -513,7 +626,7 @@ sub combine { # 'push' => 'add_role', # } # ); -# +# # has 'excluded_roles_map' => ( # metaclass => 'Collection::Hash', # reader => 'get_excluded_roles_map', @@ -525,95 +638,95 @@ sub combine { # 'exists' => 'excludes_role', # } # ); -# +# # has 'attribute_map' => ( # metaclass => 'Collection::Hash', # reader => 'get_attribute_map', -# isa => 'HashRef[Str]', +# isa => 'HashRef[Str]', # provides => { # # 'set' => 'add_attribute' # has some special crap in it # 'get' => 'get_attribute', # 'keys' => 'get_attribute_list', # 'exists' => 'has_attribute', # # Not exactly delete, cause it sets multiple -# 'delete' => 'remove_attribute', +# 'delete' => 'remove_attribute', # } # ); -# +# # has 'required_methods' => ( # metaclass => 'Collection::Hash', # reader => 'get_required_methods_map', # isa => 'HashRef[Str]', -# provides => { -# # not exactly set, or delete since it works for multiple +# provides => { +# # not exactly set, or delete since it works for multiple # 'set' => 'add_required_methods', # 'delete' => 'remove_required_methods', # 'keys' => 'get_required_method_list', -# 'exists' => 'requires_method', +# 'exists' => 'requires_method', # } # ); -# -# # the before, around and after modifiers are -# # HASH keyed by method-name, with ARRAY of +# +# # the before, around and after modifiers are +# # HASH keyed by method-name, with ARRAY of # # CODE refs to apply in that order -# +# # has 'before_method_modifiers' => ( -# metaclass => 'Collection::Hash', +# metaclass => 'Collection::Hash', # reader => 'get_before_method_modifiers_map', # isa => 'HashRef[ArrayRef[CodeRef]]', # provides => { # 'keys' => 'get_before_method_modifiers', -# 'exists' => 'has_before_method_modifiers', -# # This actually makes sure there is an +# 'exists' => 'has_before_method_modifiers', +# # This actually makes sure there is an # # ARRAY at the given key, and pushed onto # # it. It also checks for duplicates as well -# # 'add' => 'add_before_method_modifier' -# } +# # 'add' => 'add_before_method_modifier' +# } # ); -# +# # has 'after_method_modifiers' => ( -# metaclass => 'Collection::Hash', +# metaclass => 'Collection::Hash', # reader =>'get_after_method_modifiers_map', # isa => 'HashRef[ArrayRef[CodeRef]]', # provides => { # 'keys' => 'get_after_method_modifiers', -# 'exists' => 'has_after_method_modifiers', -# # This actually makes sure there is an +# 'exists' => 'has_after_method_modifiers', +# # This actually makes sure there is an # # ARRAY at the given key, and pushed onto -# # it. It also checks for duplicates as well -# # 'add' => 'add_after_method_modifier' -# } +# # it. It also checks for duplicates as well +# # 'add' => 'add_after_method_modifier' +# } # ); -# +# # has 'around_method_modifiers' => ( -# metaclass => 'Collection::Hash', +# metaclass => 'Collection::Hash', # reader =>'get_around_method_modifiers_map', # isa => 'HashRef[ArrayRef[CodeRef]]', # provides => { # 'keys' => 'get_around_method_modifiers', -# 'exists' => 'has_around_method_modifiers', -# # This actually makes sure there is an +# 'exists' => 'has_around_method_modifiers', +# # This actually makes sure there is an # # ARRAY at the given key, and pushed onto -# # it. It also checks for duplicates as well -# # 'add' => 'add_around_method_modifier' -# } +# # it. It also checks for duplicates as well +# # 'add' => 'add_around_method_modifier' +# } # ); -# +# # # override is similar to the other modifiers # # except that it is not an ARRAY of code refs # # but instead just a single name->code mapping -# +# # has 'override_method_modifiers' => ( -# metaclass => 'Collection::Hash', +# metaclass => 'Collection::Hash', # reader =>'get_override_method_modifiers_map', -# isa => 'HashRef[CodeRef]', +# isa => 'HashRef[CodeRef]', # provides => { # 'keys' => 'get_override_method_modifier', -# 'exists' => 'has_override_method_modifier', -# 'add' => 'add_override_method_modifier', # checks for local method .. +# 'exists' => 'has_override_method_modifier', +# 'add' => 'add_override_method_modifier', # checks for local method .. # } # ); -# +# ##################################################################### @@ -629,164 +742,245 @@ Moose::Meta::Role - The Moose Role metaclass =head1 DESCRIPTION -Please see L for more information about roles. -For the most part, this has no user-serviceable parts inside -this module. It's API is still subject to some change (although -probably not that much really). +This class is a subclass of L that provides +additional Moose-specific functionality. + +It's API looks a lot like L, but internally it +implements many things differently. This may change in the future. + +=head1 INHERITANCE + +C is a subclass of L. =head1 METHODS +=head2 Construction + =over 4 -=item B +=item B<< Moose::Meta::Role->initialize($role_name) >> -=item B +This method creates a new role object with the provided name. -=item B +=item B<< Moose::Meta::Role->combine( [ $role => { ... } ], [ $role ], ... ) >> -=item B +This method accepts a list of array references. Each array reference +should contain a role name as its first element. The second element is +an optional hash reference. The hash reference can contain C +and C keys to control how methods are composed from the role. -=item B +The return value is a new L that +represents the combined roles. -=back +=item B<< Moose::Meta::Role->create($name, %options) >> -=over 4 +This method is identical to the L C +method. + +=item B<< Moose::Meta::Role->create_anon_role >> -=item B +This method is identical to the L +C method. -=item B +=item B<< $metarole->is_anon_role >> -=item B +Returns true if the role is an anonymous role. =back +=head2 Role application + =over 4 -=item B +=item B<< $metarole->apply( $thing, @options ) >> + +This method applies a role to the given C<$thing>. That can be another +L, object, a L object, or a +(non-meta) object instance. -=item B +The options are passed directly to the constructor for the appropriate +L subclass. -=item B +Note that this will apply the role even if the C<$thing> in question already +C this role. L is a convenient wrapper for +finding out if role application is necessary. =back +=head2 Roles and other roles + =over 4 -=item B +=item B<< $metarole->get_roles >> + +This returns an array reference of roles which this role does. This +list may include duplicates. + +=item B<< $metarole->calculate_all_roles >> + +This returns a I list of all roles that this role does, and +all the roles that its roles do. + +=item B<< $metarole->does_role($role_name) >> + +Given a role I, returns true if this role does the given +role. + +=item B<< $metarole->add_role($role) >> -=item B +Given a L object, this adds the role to the list of +roles that the role does. -=item B +=item B<< $metarole->get_excluded_roles_list >> -=item B +Returns a list of role names which this role excludes. -=item B +=item B<< $metarole->excludes_role($role_name) >> + +Given a role I, returns true if this role excludes the named +role. + +=item B<< $metarole->add_excluded_roles(@role_names) >> + +Given one or more role names, adds those roles to the list of excluded +roles. =back -=over 4 +=head2 Methods -=item B +The methods for dealing with a role's methods are all identical in API +and behavior to the same methods in L. -=item B +=over 4 -=item B +=item B<< $metarole->method_metaclass >> -=item B +Returns the method metaclass name for the role. This defaults to +L. -=item B +=item B<< $metarole->get_method($name) >> -=item B +=item B<< $metarole->has_method($name) >> -=item B +=item B<< $metarole->add_method( $name, $body ) >> -=item B +=item B<< $metarole->get_method_list >> -=item B +=item B<< $metarole->get_method_map >> -=item B +=item B<< $metarole->find_method_by_name($name) >> -=item B +These methods are all identical to the methods of the same name in +L =back +=head2 Attributes + +As with methods, the methods for dealing with a role's attribute are +all identical in API and behavior to the same methods in +L. + +However, attributes stored in this class are I stored as +objects. Rather, the attribute definition is stored as a hash +reference. When a role is composed into a class, this hash reference +is passed directly to the metaclass's C method. + +This is quite likely to change in the future. + =over 4 -=item B +=item B<< $metarole->get_attribute($attribute_name) >> -=item B +=item B<< $metarole->has_attribute($attribute_name) >> -=item B +=item B<< $metarole->get_attribute_map >> -=item B +=item B<< $metarole->get_attribute_list >> -=item B +=item B<< $metarole->add_attribute($name, %options) >> -=item B +=item B<< $metarole->remove_attribute($attribute_name) >> =back +=head2 Required methods + =over 4 -=item B +=item B<< $metarole->get_required_method_list >> -=item B +Returns the list of methods required by the role. -=item B +=item B<< $metarole->requires_method($name) >> -=item B +Returns true if the role requires the named method. -=item B +=item B<< $metarole->add_required_methods(@names) >> -=back +Adds the named methods to the role's list of required methods. -=over 4 +=item B<< $metarole->remove_required_methods(@names) >> -=item B +Removes the named methods to the role's list of required methods. -=item B +=back + +=head2 Method modifiers -=item B +These methods act like their counterparts in L and +L. -=item B +However, method modifiers are simply stored internally, and are not +applied until the role itself is applied to a class. =over 4 -=back +=item B<< $metarole->add_after_method_modifier($method_name, $method) >> -=item B +=item B<< $metarole->add_around_method_modifier($method_name, $method) >> -=item B +=item B<< $metarole->add_before_method_modifier($method_name, $method) >> -=item B +=item B<< $metarole->add_override_method_modifier($method_name, $method) >> -=item B +These methods all add an appropriate modifier to the internal list of +modifiers. -=over 4 +=item B<< $metarole->has_after_method_modifiers >> -=back +=item B<< $metarole->has_around_method_modifiers >> -=item B +=item B<< $metarole->has_before_method_modifiers >> -=item B +=item B<< $metarole->has_override_method_modifier >> -=item B +Return true if the role has any modifiers of the given type. -=item B +=item B<< $metarole->get_after_method_modifiers($method_name) >> -=over 4 +=item B<< $metarole->get_around_method_modifiers($method_name) >> -=back +=item B<< $metarole->get_before_method_modifiers($method_name) >> + +Given a method name, returns a list of the appropriate modifiers for +that method. -=item B +=item B<< $metarole->get_override_method_modifier($method_name) >> -=item B +Given a method name, returns the override method modifier for that +method, if it has one. -=item B +=back + +=head2 Introspection + +=over 4 -=item B +=item B<< Moose::Meta::Role->meta >> -=item B +This will return a L instance for this class. =back @@ -802,7 +996,7 @@ Stevan Little Estevan@iinteractive.comE =head1 COPYRIGHT AND LICENSE -Copyright 2006-2008 by Infinity Interactive, Inc. +Copyright 2006-2009 by Infinity Interactive, Inc. 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