.\" Automatically generated by Pod::Man 4.09 (Pod::Simple 3.35) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. Capital omega is used to do unbreakable dashes and .\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, .\" nothing in troff, for use with C<>. .tr \(*W- .ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' .ie n \{\ . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} .el\{\ . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' . ds C` . ds C' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is >0, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .\" .\" Avoid warning from groff about undefined register 'F'. .de IX .. .if !\nF .nr F 0 .if \nF>0 \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} .\} .\" ======================================================================== .\" .IX Title "Class::C3::Componentised::ApplyHooks 3pm" .TH Class::C3::Componentised::ApplyHooks 3pm "2018-03-11" "perl v5.26.1" "User Contributed Perl Documentation" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" Class::C3::Componentised::ApplyHooks \- Run methods before or after components are injected .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& package MyComponent; \& \& our %statistics; \& \& use Class::C3::Componentised::ApplyHooks \& \-before_apply => sub { \& my ($class, $component) = @_; \& \& push @{$statistics{$class}}, \*(Aq\-before_apply\*(Aq; \& }, \& \-after_apply => sub { \& my ($class, $component) = @_; \& \& push @{$statistics{$class}}, \*(Aq\-after_apply\*(Aq; \& }, qw(BEFORE_APPLY AFTER_APPLY); \& \& BEFORE_APPLY { push @{$statistics{$class}}, \*(AqBEFORE_APPLY\*(Aq }; \& AFTER_APPLY { push @{$statistics{$class}}, \*(AqAFTER_APPLY\*(Aq }; \& AFTER_APPLY { use Devel::Dwarn; Dwarn %statistics }; \& \& 1; .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" This package allows a given component to run methods on the class that is being injected into before or after the component is injected. Note from the \&\*(L"\s-1SYNOPSIS\*(R"\s0 that all \f(CW\*(C`Load Actions\*(C'\fR may be run more than once. .SH "IMPORT ACTION" .IX Header "IMPORT ACTION" Both import actions simply run a list of coderefs that will be passed the class that is being acted upon and the component that is being added to the class. .SH "IMPORT OPTIONS" .IX Header "IMPORT OPTIONS" .SS "\-before_apply" .IX Subsection "-before_apply" Adds a before apply action for the current component without importing any subroutines into your namespace. .SS "\-after_apply" .IX Subsection "-after_apply" Adds an after apply action for the current component without importing any subroutines into your namespace. .SH "EXPORTED SUBROUTINES" .IX Header "EXPORTED SUBROUTINES" .SS "\s-1BEFORE_APPLY\s0" .IX Subsection "BEFORE_APPLY" .Vb 1 \& BEFORE_APPLY { warn "about to apply $_[1] to class $_[0]" }; .Ve .PP Adds a before apply action for the current component. .SS "\s-1AFTER_APPLY\s0" .IX Subsection "AFTER_APPLY" .Vb 1 \& AFTER_APPLY { warn "just applied $_[1] to class $_[0]" }; .Ve .PP Adds an after apply action for the current component.