← Index
NYTProf Performance Profile   « block view • line view • sub view »
For mongo_pain.pl
  Run on Fri Mar 25 17:00:29 2011
Reported on Fri Mar 25 17:07:06 2011

Filename/usr/local/lib/perl/5.10.1/Mouse/Meta/Class.pm
StatementsExecuted 1067 statements in 6.23ms
Subroutines
Calls P F Exclusive
Time
Inclusive
Time
Subroutine
45111.67ms9.10msMouse::Meta::Class::::add_attributeMouse::Meta::Class::add_attribute
1611208µs432µsMouse::Meta::Class::::superclassesMouse::Meta::Class::superclasses
333194µs304µsMouse::Meta::Class::::_calculate_all_attributesMouse::Meta::Class::_calculate_all_attributes
555179µs402µsMouse::Meta::Class::::make_immutableMouse::Meta::Class::make_immutable
811135µs135µsMouse::Meta::Class::::_construct_metaMouse::Meta::Class::_construct_meta
4511103µs103µsMouse::Meta::Class::::_invalidate_metaclass_cacheMouse::Meta::Class::_invalidate_metaclass_cache (xsub)
31168µs68µsMouse::Meta::Class::::CORE:sortMouse::Meta::Class::CORE:sort (opcode)
451165µs65µsMouse::Meta::Class::::attribute_metaclassMouse::Meta::Class::attribute_metaclass (xsub)
81165µs81µsMouse::Meta::Class::::verify_superclassMouse::Meta::Class::verify_superclass
451133µs33µsMouse::Meta::Class::::CORE:substMouse::Meta::Class::CORE:subst (opcode)
51126µs26µsMouse::Meta::Class::::immutable_optionsMouse::Meta::Class::immutable_options
11115µs65µsMouse::Meta::Class::::BEGIN@2Mouse::Meta::Class::BEGIN@2
1119µs21µsMouse::Meta::Class::::BEGIN@26Mouse::Meta::Class::BEGIN@26
3337µs7µsMouse::Meta::Class::::strict_constructorMouse::Meta::Class::strict_constructor (xsub)
5117µs7µsMouse::Meta::Class::::constructor_classMouse::Meta::Class::constructor_class (xsub)
3117µs7µsMouse::Meta::Class::::linearized_isaMouse::Meta::Class::linearized_isa (xsub)
1116µs6µsMouse::Meta::Class::::BEGIN@6Mouse::Meta::Class::BEGIN@6
1115µs5µsMouse::Meta::Class::::BEGIN@4Mouse::Meta::Class::BEGIN@4
3114µs4µsMouse::Meta::Class::::destructor_classMouse::Meta::Class::destructor_class (xsub)
3333µs3µsMouse::Meta::Class::::is_immutableMouse::Meta::Class::is_immutable (xsub)
3333µs3µsMouse::Meta::Class::::is_anon_classMouse::Meta::Class::is_anon_class (xsub)
0000s0sMouse::Meta::Class::::__ANON__[:356]Mouse::Meta::Class::__ANON__[:356]
0000s0sMouse::Meta::Class::::__ANON__[:381]Mouse::Meta::Class::__ANON__[:381]
0000s0sMouse::Meta::Class::::__ANON__[:419]Mouse::Meta::Class::__ANON__[:419]
0000s0sMouse::Meta::Class::::__ANON__[:439]Mouse::Meta::Class::__ANON__[:439]
0000s0sMouse::Meta::Class::::_collect_rolesMouse::Meta::Class::_collect_roles
0000s0sMouse::Meta::Class::::_install_modifierMouse::Meta::Class::_install_modifier
0000s0sMouse::Meta::Class::::_reconcile_with_superclass_metaMouse::Meta::Class::_reconcile_with_superclass_meta
0000s0sMouse::Meta::Class::::add_after_method_modifierMouse::Meta::Class::add_after_method_modifier
0000s0sMouse::Meta::Class::::add_around_method_modifierMouse::Meta::Class::add_around_method_modifier
0000s0sMouse::Meta::Class::::add_augment_method_modifierMouse::Meta::Class::add_augment_method_modifier
0000s0sMouse::Meta::Class::::add_before_method_modifierMouse::Meta::Class::add_before_method_modifier
0000s0sMouse::Meta::Class::::add_override_method_modifierMouse::Meta::Class::add_override_method_modifier
0000s0sMouse::Meta::Class::::calculate_all_rolesMouse::Meta::Class::calculate_all_roles
0000s0sMouse::Meta::Class::::create_anon_classMouse::Meta::Class::create_anon_class
0000s0sMouse::Meta::Class::::does_roleMouse::Meta::Class::does_role
0000s0sMouse::Meta::Class::::find_attribute_by_nameMouse::Meta::Class::find_attribute_by_name
0000s0sMouse::Meta::Class::::find_method_by_nameMouse::Meta::Class::find_method_by_name
0000s0sMouse::Meta::Class::::get_all_method_namesMouse::Meta::Class::get_all_method_names
0000s0sMouse::Meta::Class::::get_all_methodsMouse::Meta::Class::get_all_methods
0000s0sMouse::Meta::Class::::inherit_from_foreign_classMouse::Meta::Class::inherit_from_foreign_class
0000s0sMouse::Meta::Class::::is_mutableMouse::Meta::Class::is_mutable
0000s0sMouse::Meta::Class::::make_mutableMouse::Meta::Class::make_mutable
Call graph for these subroutines as a Graphviz dot language file.
Line State
ments
Time
on line
Calls Time
in subs
Code
1package Mouse::Meta::Class;
2334µs2115µs
# spent 65µs (15+50) within Mouse::Meta::Class::BEGIN@2 which was called: # once (15µs+50µs) by Mouse::BEGIN@14 at line 2
use Mouse::Util qw/:meta/; # enables strict and warnings
# spent 65µs making 1 call to Mouse::Meta::Class::BEGIN@2 # spent 50µs making 1 call to Mouse::Exporter::do_import
3
4333µs15µs
# spent 5µs within Mouse::Meta::Class::BEGIN@4 which was called: # once (5µs+0s) by Mouse::BEGIN@14 at line 4
use Scalar::Util ();
# spent 5µs making 1 call to Mouse::Meta::Class::BEGIN@4
5
63131µs16µs
# spent 6µs within Mouse::Meta::Class::BEGIN@6 which was called: # once (6µs+0s) by Mouse::BEGIN@14 at line 6
use Mouse::Meta::Module;
# spent 6µs making 1 call to Mouse::Meta::Class::BEGIN@6
7116µsour @ISA = qw(Mouse::Meta::Module);
8
91900nsour @CARP_NOT = qw(Mouse); # trust Mouse
10
11sub attribute_metaclass;
12sub method_metaclass;
13
14sub constructor_class;
15sub destructor_class;
16
17
18
# spent 135µs within Mouse::Meta::Class::_construct_meta which was called 8 times, avg 17µs/call: # 8 times (135µs+0s) by Mouse::Meta::Module::initialize at line 23 of Mouse/Meta/Module.pm, avg 17µs/call
sub _construct_meta {
1972152µs my($class, %args) = @_;
20
21 $args{attributes} = {};
22 $args{methods} = {};
23 $args{roles} = [];
24
25 $args{superclasses} = do {
2633.13ms234µs
# spent 21µs (9+12) within Mouse::Meta::Class::BEGIN@26 which was called: # once (9µs+12µs) by Mouse::BEGIN@14 at line 26
no strict 'refs';
# spent 21µs making 1 call to Mouse::Meta::Class::BEGIN@26 # spent 12µs making 1 call to strict::unimport
27 \@{ $args{package} . '::ISA' };
28 };
29
30 my $self = bless \%args, ref($class) || $class;
31 if(ref($self) ne __PACKAGE__){
32 $self->meta->_initialize_object($self, \%args);
33 }
34 return $self;
35}
36
37sub create_anon_class{
38 my $self = shift;
39 return $self->create(undef, @_);
40}
41
42sub is_anon_class;
43
44sub roles;
45
46sub calculate_all_roles {
47 my $self = shift;
48 my %seen;
49 return grep { !$seen{ $_->name }++ }
50 map { $_->calculate_all_roles } @{ $self->roles };
51}
52
53
# spent 432µs (208+224) within Mouse::Meta::Class::superclasses which was called 16 times, avg 27µs/call: # 16 times (208µs+224µs) by Mouse::init_meta at line 139 of Mouse.pm, avg 27µs/call
sub superclasses {
5480203µs my $self = shift;
55
56 if (@_) {
57 foreach my $super(@_){
588109µs Mouse::Util::load_class($super);
# spent 128µs making 8 calls to Mouse::Util::load_class, avg 16µs/call, recursion: max depth 1, sum of overlapping time 19µs
59815µs my $meta = Mouse::Util::get_metaclass_by_name($super);
# spent 15µs making 8 calls to Mouse::Meta::Module::_get_metaclass_by_name, avg 2µs/call
60881µs next if $self->verify_superclass($super, $meta);
# spent 81µs making 8 calls to Mouse::Meta::Class::verify_superclass, avg 10µs/call
61 $self->_reconcile_with_superclass_meta($meta);
62 }
63 return @{ $self->{superclasses} } = @_;
64 }
65
66 return @{ $self->{superclasses} };
67}
68
69
# spent 81µs (65+16) within Mouse::Meta::Class::verify_superclass which was called 8 times, avg 10µs/call: # 8 times (65µs+16µs) by Mouse::Meta::Class::superclasses at line 60, avg 10µs/call
sub verify_superclass {
704090µs my($self, $super, $super_meta) = @_;
71
72 if(defined $super_meta) {
73 if(Mouse::Util::is_a_metarole($super_meta)){
74 $self->throw_error("You cannot inherit from a Mouse Role ($super)");
75 }
76 }
77 else {
78 # The metaclass of $super is not initialized.
79 # i.e. it might be Mouse::Object, a mixin package (e.g. Exporter),
80 # or a foreign class including Moose classes.
81 # See also Mouse::Foreign::Meta::Role::Class.
82816µs my $mm = $super->can('meta');
# spent 16µs making 8 calls to UNIVERSAL::can, avg 2µs/call
83 if(!($mm && $mm == \&Mouse::Util::meta)) {
84 if($super->can('new') or $super->can('DESTROY')) {
85 $self->inherit_from_foreign_class($super);
86 }
87 }
88 return 1; # always ok
89 }
90
91 return $self->isa(ref $super_meta); # checks metaclass compatibility
92}
93
94sub inherit_from_foreign_class {
95 my($class, $super) = @_;
96 if($ENV{PERL_MOUSE_STRICT}) {
97 Carp::carp("You inherit from non-Mouse class ($super),"
98 . " but it is unlikely to work correctly."
99 . " Please consider using MouseX::Foreign");
100 }
101 return;
102}
103
10411µsmy @MetaClassTypes = (
105 'attribute', # Mouse::Meta::Attribute
106 'method', # Mouse::Meta::Method
107 'constructor', # Mouse::Meta::Method::Constructor
108 'destructor', # Mouse::Meta::Method::Destructor
109);
110
111sub _reconcile_with_superclass_meta {
112 my($self, $other) = @_;
113
114 # find incompatible traits
115 my %metaroles;
116 foreach my $metaclass_type(@MetaClassTypes){
117 my $accessor = $self->can($metaclass_type . '_metaclass')
118 || $self->can($metaclass_type . '_class');
119
120 my $other_c = $other->$accessor();
121 my $self_c = $self->$accessor();
122
123 if(!$self_c->isa($other_c)){
124 $metaroles{$metaclass_type}
125 = [ $self_c->meta->_collect_roles($other_c->meta) ];
126 }
127 }
128
129 $metaroles{class} = [$self->meta->_collect_roles($other->meta)];
130
131 #use Data::Dumper; print Data::Dumper->new([\%metaroles], ['*metaroles'])->Indent(1)->Dump;
132
133 require Mouse::Util::MetaRole;
134 $_[0] = Mouse::Util::MetaRole::apply_metaroles(
135 for => $self,
136 class_metaroles => \%metaroles,
137 );
138 return;
139}
140
141sub _collect_roles {
142 my ($self, $other) = @_;
143
144 # find common ancestor
145 my @self_lin_isa = $self->linearized_isa;
146 my @other_lin_isa = $other->linearized_isa;
147
148 my(@self_anon_supers, @other_anon_supers);
149 push @self_anon_supers, shift @self_lin_isa while $self_lin_isa[0]->meta->is_anon_class;
150 push @other_anon_supers, shift @other_lin_isa while $other_lin_isa[0]->meta->is_anon_class;
151
152 my $common_ancestor = $self_lin_isa[0] eq $other_lin_isa[0] && $self_lin_isa[0];
153
154 if(!$common_ancestor){
155 $self->throw_error(sprintf '%s cannot have %s as a super class because of their metaclass incompatibility',
156 $self->name, $other->name);
157 }
158
159 my %seen;
160 return sort grep { !$seen{$_}++ } ## no critic
161 (map{ $_->name } map{ $_->meta->calculate_all_roles } @self_anon_supers),
162 (map{ $_->name } map{ $_->meta->calculate_all_roles } @other_anon_supers),
163 ;
164}
165
166
167sub find_method_by_name {
168 my($self, $method_name) = @_;
169 defined($method_name)
170 or $self->throw_error('You must define a method name to find');
171
172 foreach my $class( $self->linearized_isa ){
173 my $method = $self->initialize($class)->get_method($method_name);
174 return $method if defined $method;
175 }
176 return undef;
177}
178
179sub get_all_methods {
180 my($self) = @_;
181 return map{ $self->find_method_by_name($_) } $self->get_all_method_names;
182}
183
184sub get_all_method_names {
185 my $self = shift;
186 my %uniq;
187 return grep { $uniq{$_}++ == 0 }
188 map { Mouse::Meta::Class->initialize($_)->get_method_list() }
189 $self->linearized_isa;
190}
191
192sub find_attribute_by_name {
193 my($self, $name) = @_;
194 defined($name)
195 or $self->throw_error('You must define an attribute name to find');
196 foreach my $attr($self->get_all_attributes) {
197 return $attr if $attr->name eq $name;
198 }
199 return undef;
200}
201
202
# spent 9.10ms (1.67+7.43) within Mouse::Meta::Class::add_attribute which was called 45 times, avg 202µs/call: # 45 times (1.67ms+7.43ms) by Mouse::has at line 52 of Mouse.pm, avg 202µs/call
sub add_attribute {
2037651.87ms my $self = shift;
204
205 my($attr, $name);
206
2074559µs if(Scalar::Util::blessed($_[0])){
# spent 59µs making 45 calls to Scalar::Util::blessed, avg 1µs/call
208 $attr = $_[0];
209
210 $attr->isa('Mouse::Meta::Attribute')
211 || $self->throw_error("Your attribute must be an instance of Mouse::Meta::Attribute (or a subclass)");
212
213 $name = $attr->name;
214 }
215 else{
216 # _process_attribute
217 $name = shift;
218
219 my %args = (@_ == 1) ? %{$_[0]} : @_;
220
221 defined($name)
222 or $self->throw_error('You must provide a name for the attribute');
223
2244533µs if ($name =~ s/^\+//) { # inherited attributes
# spent 33µs making 45 calls to Mouse::Meta::Class::CORE:subst, avg 744ns/call
225 my $inherited_attr = $self->find_attribute_by_name($name)
226 or $self->throw_error("Could not find an attribute by the name of '$name' to inherit from in ".$self->name);
227
228 $attr = $inherited_attr->clone_and_inherit_options(%args);
229 }
230 else{
23190243µs my($attribute_class, @traits) = $self->attribute_metaclass->interpolate_class(\%args);
# spent 178µs making 45 calls to Mouse::Meta::Attribute::interpolate_class, avg 4µs/call # spent 65µs making 45 calls to Mouse::Meta::Class::attribute_metaclass, avg 1µs/call
232 $args{traits} = \@traits if @traits;
233
234452.29ms $attr = $attribute_class->new($name, %args);
# spent 2.29ms making 45 calls to Mouse::Meta::Attribute::new, avg 51µs/call
235 }
236 }
237
2384585µs Scalar::Util::weaken( $attr->{associated_class} = $self );
# spent 85µs making 45 calls to Scalar::Util::weaken, avg 2µs/call
239
240 # install accessors first
241454.62ms $attr->install_accessors();
# spent 4.62ms making 45 calls to Mouse::Meta::Attribute::install_accessors, avg 103µs/call
242
243 # then register the attribute to the metaclass
244 $attr->{insertion_order} = keys %{ $self->{attributes} };
245 $self->{attributes}{$name} = $attr;
24645103µs $self->_invalidate_metaclass_cache();
# spent 103µs making 45 calls to Mouse::Meta::Class::_invalidate_metaclass_cache, avg 2µs/call
247
248 if(!$attr->{associated_methods} && ($attr->{is} || '') ne 'bare'){
249 Carp::carp(qq{Attribute ($name) of class }.$self->name
250 .qq{ has no associated methods (did you mean to provide an "is" argument?)});
251 }
252 return $attr;
253}
254
255
# spent 304µs (194+110) within Mouse::Meta::Class::_calculate_all_attributes which was called 3 times, avg 101µs/call: # once (118µs+76µs) by Mouse::Object::new at line 13 of mongo_pain.pl # once (42µs+19µs) by Mouse::Object::new at line 531 of MongoDB/Connection.pm # once (34µs+15µs) by Mouse::Object::new at line 108 of MongoDB/Database.pm
sub _calculate_all_attributes {
25654291µs my($self) = @_;
257 my %seen;
258 my @all_attrs;
25937µs foreach my $class($self->linearized_isa) {
# spent 7µs making 3 calls to Mouse::Meta::Class::linearized_isa, avg 2µs/call
260612µs my $meta = Mouse::Util::get_metaclass_by_name($class) or next;
# spent 12µs making 6 calls to Mouse::Meta::Module::_get_metaclass_by_name, avg 2µs/call
2612424µs my @attrs = grep { !$seen{$_->name}++ } values %{$meta->{attributes}};
# spent 24µs making 24 calls to Mouse::Meta::Attribute::name, avg 979ns/call
262 @attrs = sort {
263368µs $b->{insertion_order} <=> $a->{insertion_order}
# spent 68µs making 3 calls to Mouse::Meta::Class::CORE:sort, avg 22µs/call
264 } @attrs;
265 push @all_attrs, @attrs;
266 }
267 return [reverse @all_attrs];
268}
269
270sub linearized_isa;
271
272sub new_object;
273sub clone_object;
274
275
# spent 26µs within Mouse::Meta::Class::immutable_options which was called 5 times, avg 5µs/call: # 5 times (26µs+0s) by Mouse::Meta::Class::make_immutable at line 288, avg 5µs/call
sub immutable_options {
2761035µs my ( $self, @args ) = @_;
277
278 return (
279 inline_constructor => 1,
280 inline_destructor => 1,
281 constructor_name => 'new',
282 @args,
283 );
284}
285
286
# spent 402µs (179+223) within Mouse::Meta::Class::make_immutable which was called 5 times, avg 80µs/call: # once (56µs+62µs) by MongoDB::Connection::BEGIN@2 at line 329 of MongoDB/Database.pm # once (34µs+49µs) by Mouse::Util::_try_load_one_class at line 724 of MongoDB/Collection.pm # once (31µs+47µs) by MongoDB::Connection::BEGIN@2.4 at line 144 of MongoDB/OID.pm # once (35µs+31µs) by MongoDB::Connection::BEGIN@23 at line 488 of MongoDB/Cursor.pm # once (23µs+33µs) by MongoDB::BEGIN@26 at line 738 of MongoDB/Connection.pm
sub make_immutable {
28730235µs my $self = shift;
288526µs my %args = $self->immutable_options(@_);
# spent 26µs making 5 calls to Mouse::Meta::Class::immutable_options, avg 5µs/call
289
290 $self->{is_immutable}++;
291
29220115µs if ($args{inline_constructor}) {
# spent 88µs making 5 calls to Mouse::Util::load_class, avg 18µs/call, recursion: max depth 1, sum of overlapping time 16µs # spent 30µs making 5 calls to Mouse::Meta::Module::add_method, avg 6µs/call # spent 7µs making 5 calls to Mouse::Meta::Class::constructor_class, avg 1µs/call # spent 6µs making 5 calls to Mouse::Meta::Method::Constructor::XS::_generate_constructor, avg 1µs/call
293 $self->add_method($args{constructor_name} =>
294 Mouse::Util::load_class($self->constructor_class)
295 ->_generate_constructor($self, \%args));
296 }
297
2981252µs if ($args{inline_destructor}) {
# spent 44µs making 3 calls to Mouse::Util::load_class, avg 15µs/call, recursion: max depth 1, sum of overlapping time 14µs # spent 16µs making 3 calls to Mouse::Meta::Module::add_method, avg 5µs/call # spent 4µs making 3 calls to Mouse::Meta::Class::destructor_class, avg 1µs/call # spent 3µs making 3 calls to Mouse::Meta::Method::Destructor::XS::_generate_destructor, avg 1µs/call
299 $self->add_method(DESTROY =>
300 Mouse::Util::load_class($self->destructor_class)
301 ->_generate_destructor($self, \%args));
302 }
303
304 # Moose's make_immutable returns true allowing calling code to skip
305 # setting an explicit true value at the end of a source file.
306 return 1;
307}
308
309sub make_mutable {
310 my($self) = @_;
311 $self->{is_immutable} = 0;
312 return;
313}
314
315sub is_immutable;
316sub is_mutable { !$_[0]->is_immutable }
317
318sub _install_modifier {
319 my( $self, $type, $name, $code ) = @_;
320 my $into = $self->name;
321
322 my $original = $into->can($name)
323 or $self->throw_error("The method '$name' was not found in the inheritance hierarchy for $into");
324
325 my $modifier_table = $self->{modifiers}{$name};
326
327 if(!$modifier_table){
328 my(@before, @after, @around);
329 my $cache = $original;
330 my $modified = sub {
331 if(@before) {
332 for my $c (@before) { $c->(@_) }
333 }
334 unless(@after) {
335 return $cache->(@_);
336 }
337
338 if(wantarray){ # list context
339 my @rval = $cache->(@_);
340
341 for my $c(@after){ $c->(@_) }
342 return @rval;
343 }
344 elsif(defined wantarray){ # scalar context
345 my $rval = $cache->(@_);
346
347 for my $c(@after){ $c->(@_) }
348 return $rval;
349 }
350 else{ # void context
351 $cache->(@_);
352
353 for my $c(@after){ $c->(@_) }
354 return;
355 }
356 };
357
358 $self->{modifiers}{$name} = $modifier_table = {
359 original => $original,
360
361 before => \@before,
362 after => \@after,
363 around => \@around,
364
365 cache => \$cache, # cache for around modifiers
366 };
367
368 $self->add_method($name => $modified);
369 }
370
371 if($type eq 'before'){
372 unshift @{$modifier_table->{before}}, $code;
373 }
374 elsif($type eq 'after'){
375 push @{$modifier_table->{after}}, $code;
376 }
377 else{ # around
378 push @{$modifier_table->{around}}, $code;
379
380 my $next = ${ $modifier_table->{cache} };
381 ${ $modifier_table->{cache} } = sub{ $code->($next, @_) };
382 }
383
384 return;
385}
386
387sub add_before_method_modifier {
388 my ( $self, $name, $code ) = @_;
389 $self->_install_modifier( 'before', $name, $code );
390}
391
392sub add_around_method_modifier {
393 my ( $self, $name, $code ) = @_;
394 $self->_install_modifier( 'around', $name, $code );
395}
396
397sub add_after_method_modifier {
398 my ( $self, $name, $code ) = @_;
399 $self->_install_modifier( 'after', $name, $code );
400}
401
402sub add_override_method_modifier {
403 my ($self, $name, $code) = @_;
404
405 if($self->has_method($name)){
406 $self->throw_error("Cannot add an override method if a local method is already present");
407 }
408
409 my $package = $self->name;
410
411 my $super_body = $package->can($name)
412 or $self->throw_error("You cannot override '$name' because it has no super method");
413
414 $self->add_method($name => sub {
415 local $Mouse::SUPER_PACKAGE = $package;
416 local $Mouse::SUPER_BODY = $super_body;
417 local @Mouse::SUPER_ARGS = @_;
418 &{$code};
419 });
420 return;
421}
422
423sub add_augment_method_modifier {
424 my ($self, $name, $code) = @_;
425 if($self->has_method($name)){
426 $self->throw_error("Cannot add an augment method if a local method is already present");
427 }
428
429 my $super = $self->find_method_by_name($name)
430 or $self->throw_error("You cannot augment '$name' because it has no super method");
431
432 my $super_package = $super->package_name;
433 my $super_body = $super->body;
434
435 $self->add_method($name => sub {
436 local $Mouse::INNER_BODY{$super_package} = $code;
437 local $Mouse::INNER_ARGS{$super_package} = [@_];
438 &{$super_body};
439 });
440 return;
441}
442
443sub does_role {
444 my ($self, $role_name) = @_;
445
446 (defined $role_name)
447 || $self->throw_error("You must supply a role name to look for");
448
449 $role_name = $role_name->name if ref $role_name;
450
451 for my $class ($self->linearized_isa) {
452 my $meta = Mouse::Util::get_metaclass_by_name($class)
453 or next;
454
455 for my $role (@{ $meta->roles }) {
456
457 return 1 if $role->does_role($role_name);
458 }
459 }
460
461 return 0;
462}
463
46416µs1;
465__END__
 
# spent 68µs within Mouse::Meta::Class::CORE:sort which was called 3 times, avg 22µs/call: # 3 times (68µs+0s) by Mouse::Meta::Class::_calculate_all_attributes at line 263, avg 22µs/call
sub Mouse::Meta::Class::CORE:sort; # opcode
# spent 33µs within Mouse::Meta::Class::CORE:subst which was called 45 times, avg 744ns/call: # 45 times (33µs+0s) by Mouse::Meta::Class::add_attribute at line 224, avg 744ns/call
sub Mouse::Meta::Class::CORE:subst; # opcode
# spent 103µs within Mouse::Meta::Class::_invalidate_metaclass_cache which was called 45 times, avg 2µs/call: # 45 times (103µs+0s) by Mouse::Meta::Class::add_attribute at line 246, avg 2µs/call
sub Mouse::Meta::Class::_invalidate_metaclass_cache; # xsub
# spent 65µs within Mouse::Meta::Class::attribute_metaclass which was called 45 times, avg 1µs/call: # 45 times (65µs+0s) by Mouse::Meta::Class::add_attribute at line 231, avg 1µs/call
sub Mouse::Meta::Class::attribute_metaclass; # xsub
# spent 7µs within Mouse::Meta::Class::constructor_class which was called 5 times, avg 1µs/call: # 5 times (7µs+0s) by Mouse::Meta::Class::make_immutable at line 292, avg 1µs/call
sub Mouse::Meta::Class::constructor_class; # xsub
# spent 4µs within Mouse::Meta::Class::destructor_class which was called 3 times, avg 1µs/call: # 3 times (4µs+0s) by Mouse::Meta::Class::make_immutable at line 298, avg 1µs/call
sub Mouse::Meta::Class::destructor_class; # xsub
# spent 3µs within Mouse::Meta::Class::is_anon_class which was called 3 times, avg 1µs/call: # once (1µs+0s) by Mouse::Object::new at line 531 of MongoDB/Connection.pm # once (1µs+0s) by Mouse::Object::new at line 13 of mongo_pain.pl # once (900ns+0s) by Mouse::Object::new at line 108 of MongoDB/Database.pm
sub Mouse::Meta::Class::is_anon_class; # xsub
# spent 3µs within Mouse::Meta::Class::is_immutable which was called 3 times, avg 1µs/call: # once (1µs+0s) by Mouse::Object::new at line 531 of MongoDB/Connection.pm # once (1µs+0s) by Mouse::Object::new at line 13 of mongo_pain.pl # once (1µs+0s) by Mouse::Object::new at line 108 of MongoDB/Database.pm
sub Mouse::Meta::Class::is_immutable; # xsub
# spent 7µs within Mouse::Meta::Class::linearized_isa which was called 3 times, avg 2µs/call: # 3 times (7µs+0s) by Mouse::Meta::Class::_calculate_all_attributes at line 259, avg 2µs/call
sub Mouse::Meta::Class::linearized_isa; # xsub
# spent 7µs within Mouse::Meta::Class::strict_constructor which was called 3 times, avg 2µs/call: # once (2µs+0s) by Mouse::Object::new at line 531 of MongoDB/Connection.pm # once (2µs+0s) by Mouse::Object::new at line 13 of mongo_pain.pl # once (2µs+0s) by Mouse::Object::new at line 108 of MongoDB/Database.pm
sub Mouse::Meta::Class::strict_constructor; # xsub