X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-Runtime.git;a=blobdiff_plain;f=lib%2FCatalyst%2FDispatcher.pm;h=7c5134be1463365e13358b65d4bc40e2f5804ae0;hp=66e87210ecc712af9ee79796c1f3a9f43da8269d;hb=f3414019f472b55682ef3af53f761b6db7955887;hpb=772ab8ae1affcaed555bfdb070e18ed1af592b71 diff --git a/lib/Catalyst/Dispatcher.pm b/lib/Catalyst/Dispatcher.pm index 66e8721..7c5134b 100644 --- a/lib/Catalyst/Dispatcher.pm +++ b/lib/Catalyst/Dispatcher.pm @@ -1,27 +1,38 @@ package Catalyst::Dispatcher; -use strict; -use base 'Class::Accessor::Fast'; +use Moose; +use Class::MOP; + use Catalyst::Exception; use Catalyst::Utils; use Catalyst::Action; use Catalyst::ActionContainer; use Catalyst::DispatchType::Default; use Catalyst::DispatchType::Index; -use Text::ASCIITable; +use Text::SimpleTable; use Tree::Simple; use Tree::Simple::Visitor::FindByPath; +use Scalar::Util (); -# Stringify to class -use overload '""' => sub { return ref shift }, fallback => 1; - -__PACKAGE__->mk_accessors(qw/tree dispatch_types/); - +#do these belong as package vars or should we build these via a builder method? # Preload these action types -our @PRELOAD = qw/Path Regex/; +our @PRELOAD = qw/Index Path Regex/; # Postload these action types -our @POSTLOAD = qw/Index Default/; +our @POSTLOAD = qw/Default/; + +has _tree => (is => 'rw'); +has _dispatch_types => (is => 'rw', default => sub { [] }, required => 1, lazy => 1); +has _registered_dispatch_types => (is => 'rw', default => sub { {} }, required => 1, lazy => 1); +has _method_action_class => (is => 'rw', default => 'Catalyst::Action'); +has _action_container_class => (is => 'rw', default => 'Catalyst::ActionContainer'); + +has preload_dispatch_types => (is => 'rw', required => 1, lazy => 1, default => sub { [@PRELOAD] }); +has postload_dispatch_types => (is => 'rw', required => 1, lazy => 1, default => sub { [@POSTLOAD] }); +has _action_hash => (is => 'rw', required => 1, lazy => 1, default => sub { {} }); +has _container_hash => (is => 'rw', required => 1, lazy => 1, default => sub { {} }); + +no Moose; =head1 NAME @@ -33,78 +44,70 @@ See L. =head1 DESCRIPTION +This is the class that maps public urls to actions in your Catalyst +application based on the attributes you set. + =head1 METHODS -=over 4 +=head2 new -=item $self->detach( $c, $command [, \@arguments ] ) +Construct a new dispatcher. =cut -sub detach { - my ( $self, $c, $command, @args ) = @_; - $c->forward( $command, @args ) if $command; - die $Catalyst::DETACH; +sub BUILD { + my ($self, $params) = @_; + + my $container = + Catalyst::ActionContainer->new( { part => '/', actions => {} } ); + + $self->_tree( Tree::Simple->new( $container, Tree::Simple->ROOT ) ); } -=item $self->dispatch($c) +=head2 $self->preload_dispatch_types -=cut +An arrayref of pre-loaded dispatchtype classes -sub dispatch { - my ( $self, $c ) = @_; +Entries are considered to be available as C +To use a custom class outside the regular C namespace, prefix +it with a C<+>, like so: - if ( $c->action ) { + +My::Dispatch::Type - my @containers = $self->get_containers( $c->namespace ); - my %actions; - foreach my $name (qw/begin auto end/) { +=head2 $self->postload_dispatch_types - # Go down the container list representing each part of the - # current namespace inheritance tree, grabbing the actions hash - # of the ActionContainer object and looking for actions of the - # appropriate name registered to the namespace +An arrayref of post-loaded dispatchtype classes - $actions{$name} = [ - map { $_->{$name} } - grep { exists $_->{$name} } - map { $_->actions } @containers - ]; - } +Entries are considered to be available as C +To use a custom class outside the regular C namespace, prefix +it with a C<+>, like so: - # Errors break the normal flow and the end action is instantly run - my $error = 0; + +My::Dispatch::Type - # Execute last begin - $c->state(1); - if ( my $begin = @{ $actions{begin} }[-1] ) { - $begin->execute($c); - $error++ if scalar @{ $c->error }; - } +=head2 $self->detach( $c, $command [, \@arguments ] ) - # Execute the auto chain - my $autorun = 0; - for my $auto ( @{ $actions{auto} } ) { - last if $error; - $autorun++; - $auto->execute($c); - $error++ if scalar @{ $c->error }; - last unless $c->state; - } +Documented in L - # Execute the action or last default - my $mkay = $autorun ? $c->state ? 1 : 0 : 1; - if ($mkay) { - unless ($error) { - $c->action->execute($c); - $error++ if scalar @{ $c->error }; - } - } +=cut - # Execute last end - if ( my $end = @{ $actions{end} }[-1] ) { - $end->execute($c); - } +sub detach { + my ( $self, $c, $command, @args ) = @_; + $c->forward( $command, @args ) if $command; + die $Catalyst::DETACH; +} + +=head2 $self->dispatch($c) + +Delegate the dispatch to the action that matched the url, or return a +message about unknown resource + + +=cut + +sub dispatch { + my ( $self, $c ) = @_; + if ( my $action = $c->action ) { + $c->forward( join( '/', '', $action->namespace, '_DISPATCH' ) ); } else { @@ -117,378 +120,363 @@ sub dispatch { } } -=item $self->forward( $c, $command [, \@arguments ] ) +=head2 $self->forward( $c, $command [, \@arguments ] ) + +Documented in L =cut sub forward { - my $self = shift; - my $c = shift; - my $command = shift; + my ( $self, $c, $command, @extra_params ) = @_; unless ($command) { $c->log->debug('Nothing to forward to') if $c->debug; return 0; } - # Relative forwards from detach - my $caller = ( caller(1) )[0]->isa('Catalyst::Dispatcher') - && ( ( caller(2) )[3] =~ /::detach$/ ) ? caller(3) : caller(1); + my @args; - my $arguments = ( ref( $_[-1] ) eq 'ARRAY' ) ? pop(@_) : $c->req->args; + if ( ref( $extra_params[-1] ) eq 'ARRAY' ) { + @args = @{ pop @extra_params } + } else { + # this is a copy, it may take some abuse from ->_invoke_as_path if the path had trailing parts + @args = @{ $c->request->arguments }; + } - my $results = []; + my $action; - my $command_copy = $command; + # forward to a string path ("/foo/bar/gorch") or action object which stringifies to that + $action = $self->_invoke_as_path( $c, "$command", \@args ); - unless ( $command_copy =~ s/^\/// ) { - my $namespace = - Catalyst::Utils::class2prefix( $caller, $c->config->{case_sensitive} ) - || ''; - $command_copy = "${namespace}/${command}"; + # forward to a component ( "MyApp::*::Foo" or $c->component("...") - a path or an object) + unless ($action) { + my $method = @extra_params ? $extra_params[0] : "process"; + $action = $self->_invoke_as_component( $c, $command, $method ); } - unless ( $command_copy =~ /\// ) { - $results = $c->get_action( $command_copy, '/' ); + + unless ($action) { + my $error = + qq/Couldn't forward to command "$command": / + . qq/Invalid action or component./; + $c->error($error); + $c->log->debug($error) if $c->debug; + return 0; } - else { - my @extra_args; - DESCEND: while ( $command_copy =~ s/^(.*)\/(\w+)$/$1/ ) { - my $tail = $2; - $results = $c->get_action( $tail, $1 ); - if ( @{$results} ) { - $command = $tail; - push( @{$arguments}, @extra_args ); - last DESCEND; - } - unshift( @extra_args, $tail ); - } + + #push @$args, @_; + + no warnings 'recursion'; + + my $orig_args = $c->request->arguments(); + $c->request->arguments(\@args); + $action->dispatch( $c ); + $c->request->arguments($orig_args); + + return $c->state; +} + +sub _action_rel2abs { + my ( $self, $c, $path ) = @_; + + unless ( $path =~ m#^/# ) { + my $namespace = $c->stack->[-1]->namespace; + $path = "$namespace/$path"; } - unless ( @{$results} ) { + $path =~ s#^/##; + return $path; +} - unless ( $c->components->{$command} ) { - my $error = -qq/Couldn't forward to command "$command". Invalid action or component./; - $c->error($error); - $c->log->debug($error) if $c->debug; - return 0; - } +sub _invoke_as_path { + my ( $self, $c, $rel_path, $args ) = @_; - my $class = $command; - my $method = shift || 'process'; - - if ( my $code = $c->components->{$class}->can($method) ) { - my $action = Catalyst::Action->new( - { - name => $method, - code => $code, - reverse => "$class->$method", - namespace => $class, - prefix => $class, - } - ); - $results = [ [$action] ]; - } + my $path = $self->_action_rel2abs( $c, $rel_path ); + my ( $tail, @extra_args ); + while ( ( $path, $tail ) = ( $path =~ m#^(?:(.*)/)?(\w+)?$# ) ) + { # allow $path to be empty + if ( my $action = $c->get_action( $tail, $path ) ) { + push @$args, @extra_args; + return $action; + } else { - my $error = - qq/Couldn't forward to "$class". Does not implement "$method"/; - $c->error($error); - $c->log->debug($error) - if $c->debug; - return 0; + return + unless $path + ; # if a match on the global namespace failed then the whole lookup failed } + unshift @extra_args, $tail; } +} - local $c->request->{arguments} = [ @{$arguments} ]; +sub _find_component_class { + my ( $self, $c, $component ) = @_; - for my $result ( @{$results} ) { - $result->[0]->execute($c); - return if scalar @{ $c->error }; - last unless $c->state; - } + return ref($component) + || ref( $c->component($component) ) + || $c->component($component); +} - return $c->state; +sub _invoke_as_component { + my ( $self, $c, $component, $method ) = @_; + + my $class = $self->_find_component_class( $c, $component ) || return 0; + + if ( my $code = $class->can($method) ) { + return $self->_method_action_class->new( + { + name => $method, + code => $code, + reverse => "$class->$method", + class => $class, + namespace => Catalyst::Utils::class2prefix( + $class, $c->config->{case_sensitive} + ), + } + ); + } + else { + my $error = + qq/Couldn't forward to "$class". Does not implement "$method"/; + $c->error($error); + $c->log->debug($error) + if $c->debug; + return 0; + } } -=item $self->prepare_action($c) +=head2 $self->prepare_action($c) + +Find an dispatch type that matches $c->req->path, and set args from it. =cut sub prepare_action { my ( $self, $c ) = @_; - my $path = $c->req->path; - my @path = split /\//, $c->req->path; - $c->req->args( \my @args ); + my $req = $c->req; + my $path = $req->path; + my @path = split /\//, $req->path; + $req->args( \my @args ); - push( @path, '/' ) unless @path; # Root action + unshift( @path, '' ); # Root action DESCEND: while (@path) { $path = join '/', @path; + $path =~ s#^/##; - $path = '' if $path eq '/'; # Root action + $path = '' if $path eq '/'; # Root action # Check out dispatch types to see if any will handle the path at # this level - foreach my $type ( @{ $self->dispatch_types } ) { + foreach my $type ( @{ $self->_dispatch_types } ) { last DESCEND if $type->match( $c, $path ); } # If not, move the last part path to args - - unshift @args, pop @path; + my $arg = pop(@path); + $arg =~ s/%([0-9A-Fa-f]{2})/chr(hex($1))/eg; + unshift @args, $arg; } + s/%([0-9A-Fa-f]{2})/chr(hex($1))/eg for grep { defined } @{$req->captures||[]}; + + $c->log->debug( 'Path is "' . $req->match . '"' ) + if ( $c->debug && $req->match ); + $c->log->debug( 'Arguments are "' . join( '/', @args ) . '"' ) if ( $c->debug && @args ); } -=item $self->get_action( $c, $action, $namespace, $inherit ) +=head2 $self->get_action( $action, $namespace ) + +returns a named action from a given namespace. =cut sub get_action { - my ( $self, $c, $action, $namespace, $inherit ) = @_; - return [] unless $action; - $namespace ||= ''; - $namespace = '' if $namespace eq '/'; - $inherit ||= 0; + my ( $self, $name, $namespace ) = @_; + return unless $name; - my @match = $self->get_containers($namespace); + $namespace = join( "/", grep { length } split '/', $namespace || "" ); - if ($inherit) { # Return [ [ $act_obj ], ... ] for valid containers - return [ - map { [ $_->{$action} ] } # Make [ $action_obj ] - grep { defined $_->{$action} } # If it exists in the container - map { $_->actions } # Get action hash for container - @match - ]; - } - else { - my $node = $match[-1]->actions; # Only bother looking at the last one + return $self->_action_hash->{"${namespace}/${name}"}; +} - if ( defined $node->{$action} - && ( $node->{$action}->prefix eq $namespace ) ) - { - return [ [ $node->{$action} ] ]; - } - else { - return []; - } - } +=head2 $self->get_action_by_path( $path ); + +Returns the named action by its full path. + +=cut + +sub get_action_by_path { + my ( $self, $path ) = @_; + $path =~ s/^\///; + $path = "/$path" unless $path =~ /\//; + $self->_action_hash->{$path}; } -=item $self->get_containers( $namespace ) +=head2 $self->get_actions( $c, $action, $namespace ) =cut -sub get_containers { - my ( $self, $namespace ) = @_; +sub get_actions { + my ( $self, $c, $action, $namespace ) = @_; + return [] unless $action; - # If the namespace is / just return the root ActionContainer + $namespace = join( "/", grep { length } split '/', $namespace || "" ); - return ( $self->tree->getNodeValue ) - if ( !$namespace || ( $namespace eq '/' ) ); + my @match = $self->get_containers($namespace); - # Use a visitor to recurse down the tree finding the ActionContainers - # for each namespace in the chain. + return map { $_->get_action($action) } @match; +} - my $visitor = Tree::Simple::Visitor::FindByPath->new; - my @path = split( '/', $namespace ); - $visitor->setSearchPath(@path); - $self->tree->accept($visitor); +=head2 $self->get_containers( $namespace ) - my @match = $visitor->getResults; - @match = ( $self->tree ) unless @match; +Return all the action containers for a given namespace, inclusive - if ( !defined $visitor->getResult ) { +=cut + +sub get_containers { + my ( $self, $namespace ) = @_; + $namespace ||= ''; + $namespace = '' if $namespace eq '/'; - # If we don't manage to match, the visitor doesn't return the last - # node is matched, so foo/bar/baz would only find the 'foo' node, - # not the foo and foo/bar nodes as it should. This does another - # single-level search to see if that's the case, and the 'last unless' - # should catch any failures - or short-circuit this if this *is* a - # bug in the visitor and gets fixed. + my @containers; - my $extra = $path[ ( scalar @match ) - 1 ]; - last unless $extra; - $visitor->setSearchPath($extra); - $match[-1]->accept($visitor); - push( @match, $visitor->getResult ) if defined $visitor->getResult; + if ( length $namespace ) { + do { + push @containers, $self->_container_hash->{$namespace}; + } while ( $namespace =~ s#/[^/]+$## ); } - return map { $_->getNodeValue } @match; + return reverse grep { defined } @containers, $self->_container_hash->{''}; + + #return (split '/', $namespace); # isnt this more clear? + my @parts = split '/', $namespace; } -=item $self->set_action( $c, $action, $code, $namespace, $attrs ) +=head2 $self->uri_for_action($action, \@captures) -=cut +Takes a Catalyst::Action object and action parameters and returns a URI +part such that if $c->req->path were this URI part, this action would be +dispatched to with $c->req->captures set to the supplied arrayref. -sub set_action { - my ( $self, $c, $method, $code, $namespace, $attrs ) = @_; +If the action object is not available for external dispatch or the dispatcher +cannot determine an appropriate URI, this method will return undef. - my $prefix = - Catalyst::Utils::class2prefix( $namespace, $c->config->{case_sensitive} ) - || ''; - my %attributes; +=cut - for my $attr ( @{$attrs} ) { +sub uri_for_action { + my ( $self, $action, $captures) = @_; + $captures ||= []; + foreach my $dispatch_type ( @{ $self->_dispatch_types } ) { + my $uri = $dispatch_type->uri_for_action( $action, $captures ); + return( $uri eq '' ? '/' : $uri ) + if defined($uri); + } + return undef; +} - # Parse out :Foo(bar) into Foo => bar etc (and arrayify) +=head2 $self->register( $c, $action ) - my %initialized; - $initialized{ ref $_ }++ for @{ $self->dispatch_types }; +Make sure all required dispatch types for this action are loaded, then +pass the action to our dispatch types so they can register it if required. +Also, set up the tree with the action containers. - if ( my ( $key, $value ) = ( $attr =~ /^(.*?)(?:\(\s*(.+)\s*\))?$/ ) ) { +=cut - # Initialize types - my $class = "Catalyst::DispatchType::$key"; - unless ( $initialized{$class} ) { - eval "require $class"; - push( @{ $self->dispatch_types }, $class->new ) unless $@; - $initialized{$class}++; - } +sub register { + my ( $self, $c, $action ) = @_; - if ( defined $value ) { - ( $value =~ s/^'(.*)'$/$1/ ) || ( $value =~ s/^"(.*)"/$1/ ); - } - push( @{ $attributes{$key} }, $value ); + my $registered = $self->_registered_dispatch_types; + + #my $priv = 0; #seems to be unused + foreach my $key ( keys %{ $action->attributes } ) { + next if $key eq 'Private'; + my $class = "Catalyst::DispatchType::$key"; + unless ( $registered->{$class} ) { + #some error checking rethrowing here wouldn't hurt. + eval { Class::MOP::load_class($class) }; + push( @{ $self->_dispatch_types }, $class->new ) unless $@; + $registered->{$class} = 1; } } - if ( $attributes{Private} && ( keys %attributes > 1 ) ) { - $c->log->debug( 'Bad action definition "' - . join( ' ', @{$attrs} ) - . qq/" for "$namespace->$method"/ ) - if $c->debug; - return; + # Pass the action to our dispatch types so they can register it if reqd. + foreach my $type ( @{ $self->_dispatch_types } ) { + $type->register( $c, $action ); } - return unless keys %attributes; - my $parent = $self->tree; - my $visitor = Tree::Simple::Visitor::FindByPath->new; + my $namespace = $action->namespace; + my $name = $action->name; - if ($prefix) { - for my $part ( split '/', $prefix ) { - $visitor->setSearchPath($part); - $parent->accept($visitor); - my $child = $visitor->getResult; + my $container = $self->_find_or_create_action_container($namespace); - unless ($child) { + # Set the method value + $container->add_action($action); - # Create a new tree node and an ActionContainer to form - # its value. + $self->_action_hash->{"$namespace/$name"} = $action; + $self->_container_hash->{$namespace} = $container; +} - my $container = - Catalyst::ActionContainer->new( - { part => $part, actions => {} } ); - $child = $parent->addChild( Tree::Simple->new($container) ); - $visitor->setSearchPath($part); - $parent->accept($visitor); - $child = $visitor->getResult; - } +sub _find_or_create_action_container { + my ( $self, $namespace ) = @_; - $parent = $child; - } - } + my $tree ||= $self->_tree; - my $reverse = $prefix ? "$prefix/$method" : $method; + return $tree->getNodeValue unless $namespace; - my $action = Catalyst::Action->new( - { - name => $method, - code => $code, - reverse => $reverse, - namespace => $namespace, - prefix => $prefix, - attributes => \%attributes, - } - ); + my @namespace = split '/', $namespace; + return $self->_find_or_create_namespace_node( $tree, @namespace ) + ->getNodeValue; +} - # Set the method value - $parent->getNodeValue->actions->{$method} = $action; +sub _find_or_create_namespace_node { + my ( $self, $parent, $part, @namespace ) = @_; - # Pass the action to our dispatch types so they can register it if reqd. - foreach my $type ( @{ $self->dispatch_types } ) { - $type->register( $c, $action ); + return $parent unless $part; + + my $child = + ( grep { $_->getNodeValue->part eq $part } $parent->getAllChildren )[0]; + + unless ($child) { + my $container = Catalyst::ActionContainer->new($part); + $parent->addChild( $child = Tree::Simple->new($container) ); } + + $self->_find_or_create_namespace_node( $child, @namespace ); } -=item $self->setup_actions( $class, $component ) +=head2 $self->setup_actions( $class, $context ) + =cut sub setup_actions { - my ( $self, $class ) = @_; + my ( $self, $c ) = @_; - $self->dispatch_types( [] ); - # Preload action types - for my $type (@PRELOAD) { - my $class = "Catalyst::DispatchType::$type"; - eval "require $class"; - Catalyst::Exception->throw( message => qq/Couldn't load "$class"/ ) - if $@; - push @{ $self->dispatch_types }, $class->new; - } - - # We use a tree - my $container = - Catalyst::ActionContainer->new( { part => '/', actions => {} } ); - $self->tree( Tree::Simple->new( $container, Tree::Simple->ROOT ) ); - - for my $comp ( keys %{ $class->components } ) { - - # We only setup components that inherit from Catalyst::Base - next unless $comp->isa('Catalyst::Base'); - - for my $action ( @{ Catalyst::Utils::reflect_actions($comp) } ) { - my ( $code, $attrs ) = @{$action}; - my $name = ''; - no strict 'refs'; - my @cache = ( $comp, @{"$comp\::ISA"} ); - my %namespaces; - - while ( my $namespace = shift @cache ) { - $namespaces{$namespace}++; - for my $isa ( @{"$comp\::ISA"} ) { - next if $namespaces{$isa}; - push @cache, $isa; - $namespaces{$isa}++; - } - } + my @classes = + $self->_load_dispatch_types( @{ $self->preload_dispatch_types } ); + @{ $self->_registered_dispatch_types }{@classes} = (1) x @classes; - for my $namespace ( keys %namespaces ) { - for my $sym ( values %{ $namespace . '::' } ) { - if ( *{$sym}{CODE} && *{$sym}{CODE} == $code ) { - $name = *{$sym}{NAME}; - $class->set_action( $name, $code, $comp, $attrs ); - last; - } - } - } - } + foreach my $comp ( values %{ $c->components } ) { + $comp->register_actions($c) if $comp->can('register_actions'); } - # Postload action types - for my $type (@POSTLOAD) { - my $class = "Catalyst::DispatchType::$type"; - eval "require $class"; - Catalyst::Exception->throw( message => qq/Couldn't load "$class"/ ) - if $@; - push @{ $self->dispatch_types }, $class->new; - } + $self->_load_dispatch_types( @{ $self->postload_dispatch_types } ); - return unless $class->debug; + return unless $c->debug; - my $privates = Text::ASCIITable->new; - $privates->setCols( 'Private', 'Class' ); - $privates->setColWidth( 'Private', 36, 1 ); - $privates->setColWidth( 'Class', 37, 1 ); + my $privates = Text::SimpleTable->new( + [ 20, 'Private' ], + [ 36, 'Class' ], + [ 12, 'Method' ] + ); + my $has_private = 0; my $walker = sub { my ( $walker, $parent, $prefix ) = @_; $prefix .= $parent->getNodeValue || ''; @@ -497,25 +485,56 @@ sub setup_actions { for my $action ( keys %{$node} ) { my $action_obj = $node->{$action}; - $privates->addRow( "$prefix$action", $action_obj->namespace ); + next + if ( ( $action =~ /^_.*/ ) + && ( !$c->config->{show_internal_actions} ) ); + $privates->row( "$prefix$action", $action_obj->class, $action ); + $has_private = 1; } $walker->( $walker, $_, $prefix ) for $parent->getAllChildren; }; - $walker->( $walker, $self->tree, '' ); - $class->log->debug( "Loaded Private actions:\n" . $privates->draw ) - if ( @{ $privates->{tbl_rows} } ); + $walker->( $walker, $self->_tree, '' ); + $c->log->debug( "Loaded Private actions:\n" . $privates->draw . "\n" ) + if $has_private; # List all public actions - $_->list($class) for @{ $self->dispatch_types }; + $_->list($c) for @{ $self->_dispatch_types }; +} + +sub _load_dispatch_types { + my ( $self, @types ) = @_; + + my @loaded; + + # Preload action types + for my $type (@types) { + my $class = + ( $type =~ /^\+(.*)$/ ) ? $1 : "Catalyst::DispatchType::${type}"; + + eval { Class::MOP::load_class($class) }; + Catalyst::Exception->throw( message => qq/Couldn't load "$class"/ ) + if $@; + push @{ $self->_dispatch_types }, $class->new; + + push @loaded, $class; + } + + return @loaded; } -=back +no Moose; +__PACKAGE__->meta->make_immutable; + +=head2 meta + +Provided by Moose =head1 AUTHOR Sebastian Riedel, C +Matt S Trout, C =head1 COPYRIGHT