Profile of Moose/Meta/Method/Delegation.pm

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For xt/tapper-mcp-scheduler-with-db-longrun.t
Run on Tue May 22 17:18:39 2012
Reported on Tue May 22 17:23:33 2012

Filename | /2home/ss5/perl5/perlbrew/perls/perl-5.12.3/lib/site_perl/5.12.3/x86_64-linux/Moose/Meta/Method/Delegation.pm
Statements | Executed 19 statements in 543µs

Subroutines
Calls | P | F | Exclusive Time | Inclusive Time | Subroutine
--- | --- | --- | --- | --- | ---
1 | 1 | 1 | 8µs | 33µs | Moose::Meta::Method::Delegation::::BEGIN@13Moose::Meta::Method::Delegation::BEGIN@13
1 | 1 | 1 | 8µs | 8µs | Moose::Meta::Method::Delegation::::BEGIN@3Moose::Meta::Method::Delegation::BEGIN@3
1 | 1 | 1 | 8µs | 16µs | Moose::Meta::Method::Delegation::::BEGIN@11Moose::Meta::Method::Delegation::BEGIN@11
1 | 1 | 1 | 7µs | 10µs | Moose::Meta::Method::Delegation::::BEGIN@10Moose::Meta::Method::Delegation::BEGIN@10
1 | 1 | 1 | 7µs | 31µs | Moose::Meta::Method::Delegation::::BEGIN@14Moose::Meta::Method::Delegation::BEGIN@14
1 | 1 | 1 | 7µs | 100µs | Moose::Meta::Method::Delegation::::BEGIN@16Moose::Meta::Method::Delegation::BEGIN@16
0 | 0 | 0 | 0s | 0s | Moose::Meta::Method::Delegation::::__ANON__[:111]Moose::Meta::Method::Delegation::__ANON__[:111]
0 | 0 | 0 | 0s | 0s | Moose::Meta::Method::Delegation::::_get_delegate_accessorMoose::Meta::Method::Delegation::_get_delegate_accessor
0 | 0 | 0 | 0s | 0s | Moose::Meta::Method::Delegation::::_initialize_bodyMoose::Meta::Method::Delegation::_initialize_body
0 | 0 | 0 | 0s | 0s | Moose::Meta::Method::Delegation::::_newMoose::Meta::Method::Delegation::_new
0 | 0 | 0 | 0s | 0s | Moose::Meta::Method::Delegation::::associated_attributeMoose::Meta::Method::Delegation::associated_attribute
0 | 0 | 0 | 0s | 0s | Moose::Meta::Method::Delegation::::curried_argumentsMoose::Meta::Method::Delegation::curried_arguments
0 | 0 | 0 | 0s | 0s | Moose::Meta::Method::Delegation::::delegate_to_methodMoose::Meta::Method::Delegation::delegate_to_method
0 | 0 | 0 | 0s | 0s | Moose::Meta::Method::Delegation::::newMoose::Meta::Method::Delegation::new

Call graph for these subroutines as a Graphviz dot language file.

Line | State ments | Time on line | Calls | Time in subs | Code
--- | --- | --- | --- | --- | ---
1 |  |  |  |  |
2 |  |  |  |  | package Moose::Meta::Method::Delegation;
3 |  |  |  |  | # spent 8µs within Moose::Meta::Method::Delegation::BEGIN@3 which was called: # once (8µs+0s) by Moose::Meta::Attribute::BEGIN@22 at line 5 BEGIN {
4 | 1 | 4µs |  |  | $Moose::Meta::Method::Delegation::AUTHORITY = 'cpan:STEVAN';
5 | 1 | 22µs | 1 | 8µs | } # spent 8µs making 1 call to Moose::Meta::Method::Delegation::BEGIN@3
6 |  |  |  |  | {
7 | 2 | 1µs |  |  | $Moose::Meta::Method::Delegation::VERSION = '2.0602';
8 |  |  |  |  | }
9 |  |  |  |  |
10 | 3 | 18µs | 2 | 13µs | # spent 10µs (7+3) within Moose::Meta::Method::Delegation::BEGIN@10 which was called: # once (7µs+3µs) by Moose::Meta::Attribute::BEGIN@22 at line 10 use strict; # spent 10µs making 1 call to Moose::Meta::Method::Delegation::BEGIN@10 # spent 3µs making 1 call to strict::import
11 | 3 | 22µs | 2 | 25µs | # spent 16µs (8+9) within Moose::Meta::Method::Delegation::BEGIN@11 which was called: # once (8µs+9µs) by Moose::Meta::Attribute::BEGIN@22 at line 11 use warnings; # spent 16µs making 1 call to Moose::Meta::Method::Delegation::BEGIN@11 # spent 9µs making 1 call to warnings::import
12 |  |  |  |  |
13 | 3 | 24µs | 2 | 58µs | # spent 33µs (8+25) within Moose::Meta::Method::Delegation::BEGIN@13 which was called: # once (8µs+25µs) by Moose::Meta::Attribute::BEGIN@22 at line 13 use Carp 'confess'; # spent 33µs making 1 call to Moose::Meta::Method::Delegation::BEGIN@13 # spent 25µs making 1 call to Exporter::import
14 | 3 | 20µs | 2 | 56µs | # spent 31µs (7+24) within Moose::Meta::Method::Delegation::BEGIN@14 which was called: # once (7µs+24µs) by Moose::Meta::Attribute::BEGIN@22 at line 14 use Scalar::Util 'blessed', 'weaken'; # spent 31µs making 1 call to Moose::Meta::Method::Delegation::BEGIN@14 # spent 24µs making 1 call to Exporter::import
15 |  |  |  |  |
16 | 1 | 4µs | 1 | 94µs | # spent 100µs (7+93) within Moose::Meta::Method::Delegation::BEGIN@16 which was called: # once (7µs+93µs) by Moose::Meta::Attribute::BEGIN@22 at line 17 use base 'Moose::Meta::Method', # spent 94µs making 1 call to base::import
17 | 2 | 427µs | 1 | 100µs | 'Class::MOP::Method::Generated'; # spent 100µs making 1 call to Moose::Meta::Method::Delegation::BEGIN@16
18 |  |  |  |  |
19 |  |  |  |  |
20 |  |  |  |  | sub new {
21 |  |  |  |  | my $class = shift;
22 |  |  |  |  | my %options = @_;
23 |  |  |  |  |
24 |  |  |  |  | ( exists $options{attribute} )
25 |  |  |  |  | || confess "You must supply an attribute to construct with";
26 |  |  |  |  |
27 |  |  |  |  | ( blessed( $options{attribute} )
28 |  |  |  |  | && $options{attribute}->isa('Moose::Meta::Attribute') )
29 |  |  |  |  | || confess
30 |  |  |  |  | "You must supply an attribute which is a 'Moose::Meta::Attribute' instance";
31 |  |  |  |  |
32 |  |  |  |  | ( $options{package_name} && $options{name} )
33 |  |  |  |  | || confess
34 |  |  |  |  | "You must supply the package_name and name parameters $Class::MOP::Method::UPGRADE_ERROR_TEXT";
35 |  |  |  |  |
36 |  |  |  |  | ( $options{delegate_to_method} && ( !ref $options{delegate_to_method} )
37 |  |  |  |  | || ( 'CODE' eq ref $options{delegate_to_method} ) )
38 |  |  |  |  | || confess
39 |  |  |  |  | 'You must supply a delegate_to_method which is a method name or a CODE reference';
40 |  |  |  |  |
41 |  |  |  |  | exists $options{curried_arguments}
42 |  |  |  |  | || ( $options{curried_arguments} = [] );
43 |  |  |  |  |
44 |  |  |  |  | ( $options{curried_arguments} &&
45 |  |  |  |  | ( 'ARRAY' eq ref $options{curried_arguments} ) )
46 |  |  |  |  | || confess 'You must supply a curried_arguments which is an ARRAY reference';
47 |  |  |  |  |
48 |  |  |  |  | my $self = $class->_new( \%options );
49 |  |  |  |  |
50 |  |  |  |  | weaken( $self->{'attribute'} );
51 |  |  |  |  |
52 |  |  |  |  | $self->_initialize_body;
53 |  |  |  |  |
54 |  |  |  |  | return $self;
55 |  |  |  |  | }
56 |  |  |  |  |
57 |  |  |  |  | sub _new {
58 |  |  |  |  | my $class = shift;
59 |  |  |  |  | my $options = @_ == 1 ? $_[0] : {@_};
60 |  |  |  |  |
61 |  |  |  |  | return bless $options, $class;
62 |  |  |  |  | }
63 |  |  |  |  |
64 |  |  |  |  | sub curried_arguments { (shift)->{'curried_arguments'} }
65 |  |  |  |  |
66 |  |  |  |  | sub associated_attribute { (shift)->{'attribute'} }
67 |  |  |  |  |
68 |  |  |  |  | sub delegate_to_method { (shift)->{'delegate_to_method'} }
69 |  |  |  |  |
70 |  |  |  |  | sub _initialize_body {
71 |  |  |  |  | my $self = shift;
72 |  |  |  |  |
73 |  |  |  |  | my $method_to_call = $self->delegate_to_method;
74 |  |  |  |  | return $self->{body} = $method_to_call
75 |  |  |  |  | if ref $method_to_call;
76 |  |  |  |  |
77 |  |  |  |  | my $accessor = $self->_get_delegate_accessor;
78 |  |  |  |  |
79 |  |  |  |  | my $handle_name = $self->name;
80 |  |  |  |  |
81 |  |  |  |  | # NOTE: we used to do a goto here, but the goto didn't handle
82 |  |  |  |  | # failure correctly (it just returned nothing), so I took that
83 |  |  |  |  | # out. However, the more I thought about it, the less I liked it
84 |  |  |  |  | # doing the goto, and I preferred the act of delegation being
85 |  |  |  |  | # actually represented in the stack trace. - SL
86 |  |  |  |  | # not inlining this, since it won't really speed things up at
87 |  |  |  |  | # all... the only thing that would end up different would be
88 |  |  |  |  | # interpolating in $method_to_call, and a bunch of things in the
89 |  |  |  |  | # error handling that mostly never gets called - doy
90 |  |  |  |  | $self->{body} = sub {
91 |  |  |  |  | my $instance = shift;
92 |  |  |  |  | my $proxy = $instance->$accessor();
93 |  |  |  |  |
94 |  |  |  |  | my $error
95 |  |  |  |  | = !defined $proxy ? ' is not defined'
96 |  |  |  |  | : ref($proxy) && !blessed($proxy) ? qq{ is not an object (got '$proxy')}
97 |  |  |  |  | : undef;
98 |  |  |  |  |
99 |  |  |  |  | if ($error) {
100 |  |  |  |  | $self->throw_error(
101 |  |  |  |  | "Cannot delegate $handle_name to $method_to_call because "
102 |  |  |  |  | . "the value of "
103 |  |  |  |  | . $self->associated_attribute->name
104 |  |  |  |  | . $error,
105 |  |  |  |  | method_name => $method_to_call,
106 |  |  |  |  | object => $instance
107 |  |  |  |  | );
108 |  |  |  |  | }
109 |  |  |  |  | unshift @_, @{ $self->curried_arguments };
110 |  |  |  |  | $proxy->$method_to_call(@_);
111 |  |  |  |  | };
112 |  |  |  |  | }
113 |  |  |  |  |
114 |  |  |  |  | sub _get_delegate_accessor {
115 |  |  |  |  | my $self = shift;
116 |  |  |  |  | my $attr = $self->associated_attribute;
117 |  |  |  |  |
118 |  |  |  |  | # NOTE:
119 |  |  |  |  | # always use a named method when
120 |  |  |  |  | # possible, if you use the method
121 |  |  |  |  | # ref and there are modifiers on
122 |  |  |  |  | # the accessors then it will not
123 |  |  |  |  | # pick up the modifiers too. Only
124 |  |  |  |  | # the named method will assure that
125 |  |  |  |  | # we also have any modifiers run.
126 |  |  |  |  | # - SL
127 |  |  |  |  | my $accessor = $attr->has_read_method
128 |  |  |  |  | ? $attr->get_read_method
129 |  |  |  |  | : $attr->get_read_method_ref;
130 |  |  |  |  |
131 |  |  |  |  | $accessor = $accessor->body if Scalar::Util::blessed $accessor;
132 |  |  |  |  |
133 |  |  |  |  | return $accessor;
134 |  |  |  |  | }
135 |  |  |  |  |
136 | 1 | 2µs |  |  | 1;
137 |  |  |  |  |
138 |  |  |  |  | # ABSTRACT: A Moose Method metaclass for delegation methods
139 |  |  |  |  |
- - |  |  |  |  |
142 |  |  |  |  | =pod
143 |  |  |  |  |
144 |  |  |  |  | =head1 NAME
145 |  |  |  |  |
146 |  |  |  |  | Moose::Meta::Method::Delegation - A Moose Method metaclass for delegation methods
147 |  |  |  |  |
148 |  |  |  |  | =head1 VERSION
149 |  |  |  |  |
150 |  |  |  |  | version 2.0602
151 |  |  |  |  |
152 |  |  |  |  | =head1 DESCRIPTION
153 |  |  |  |  |
154 |  |  |  |  | This is a subclass of L<Moose::Meta::Method> for delegation
155 |  |  |  |  | methods.
156 |  |  |  |  |
157 |  |  |  |  | =head1 METHODS
158 |  |  |  |  |
159 |  |  |  |  | =over 4
160 |  |  |  |  |
161 |  |  |  |  | =item B<< Moose::Meta::Method::Delegation->new(%options) >>
162 |  |  |  |  |
163 |  |  |  |  | This creates the delegation methods based on the provided C<%options>.
164 |  |  |  |  |
165 |  |  |  |  | =over 4
166 |  |  |  |  |
167 |  |  |  |  | =item I<attribute>
168 |  |  |  |  |
169 |  |  |  |  | This must be an instance of C<Moose::Meta::Attribute> which this
170 |  |  |  |  | accessor is being generated for. This options is B<required>.
171 |  |  |  |  |
172 |  |  |  |  | =item I<delegate_to_method>
173 |  |  |  |  |
174 |  |  |  |  | The method in the associated attribute's value to which we
175 |  |  |  |  | delegate. This can be either a method name or a code reference.
176 |  |  |  |  |
177 |  |  |  |  | =item I<curried_arguments>
178 |  |  |  |  |
179 |  |  |  |  | An array reference of arguments that will be prepended to the argument list for
180 |  |  |  |  | any call to the delegating method.
181 |  |  |  |  |
182 |  |  |  |  | =back
183 |  |  |  |  |
184 |  |  |  |  | =item B<< $metamethod->associated_attribute >>
185 |  |  |  |  |
186 |  |  |  |  | Returns the attribute associated with this method.
187 |  |  |  |  |
188 |  |  |  |  | =item B<< $metamethod->curried_arguments >>
189 |  |  |  |  |
190 |  |  |  |  | Return any curried arguments that will be passed to the delegated method.
191 |  |  |  |  |
192 |  |  |  |  | =item B<< $metamethod->delegate_to_method >>
193 |  |  |  |  |
194 |  |  |  |  | Returns the method to which this method delegates, as passed to the
195 |  |  |  |  | constructor.
196 |  |  |  |  |
197 |  |  |  |  | =back
198 |  |  |  |  |
199 |  |  |  |  | =head1 BUGS
200 |  |  |  |  |
201 |  |  |  |  | See L<Moose/BUGS> for details on reporting bugs.
202 |  |  |  |  |
203 |  |  |  |  | =head1 AUTHOR
204 |  |  |  |  |
205 |  |  |  |  | Moose is maintained by the Moose Cabal, along with the help of many contributors. See L<Moose/CABAL> and L<Moose/CONTRIBUTORS> for details.
206 |  |  |  |  |
207 |  |  |  |  | =head1 COPYRIGHT AND LICENSE
208 |  |  |  |  |
209 |  |  |  |  | This software is copyright (c) 2012 by Infinity Interactive, Inc..
210 |  |  |  |  |
211 |  |  |  |  | This is free software; you can redistribute it and/or modify it under
212 |  |  |  |  | the same terms as the Perl 5 programming language system itself.
213 |  |  |  |  |
214 |  |  |  |  | =cut
215 |  |  |  |  |
216 |  |  |  |  |
217 |  |  |  |  | __END__