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package Stepford::Role::Step; |
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use strict; |
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use warnings; |
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use namespace::autoclean; |
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our $VERSION = '0.006001'; |
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use List::AllUtils qw( any ); |
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13320
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use Stepford::LoggerWithMoniker; |
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use Stepford::Trait::StepDependency; |
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use Stepford::Trait::StepProduction; |
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use Stepford::Types qw( Logger ); |
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use Moose::Role; |
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requires qw( run last_run_time ); |
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has logger => ( |
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is => 'ro', |
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isa => Logger, |
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required => 1, |
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); |
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around BUILDARGS => sub { |
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my $orig = shift; |
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my $class = shift; |
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my $args = $class->$orig(@_); |
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if ( $args->{logger} ) { |
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$args->{logger} = Stepford::LoggerWithMoniker->new( |
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logger => $args->{logger}, |
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moniker => $class->_log_moniker, |
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); |
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} |
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return $args; |
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}; |
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sub _log_moniker { |
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632
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my $class = shift; |
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return $class; |
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} |
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# Some of these should be moved into a metaclass extension |
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sub productions { |
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1997
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1997
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my $class = shift; |
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return |
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1997
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8799
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grep { $_->does('Stepford::Trait::StepProduction') } |
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1170943
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$class->meta->get_all_attributes; |
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} |
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sub has_production { |
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0
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my $class = shift; |
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my $name = shift; |
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return any { $_->name eq $name } $class->productions; |
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} |
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sub productions_as_hashref { |
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382
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382
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1
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my $self = shift; |
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return { map { $_->name => $self->production_value( $_->name ) } |
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81653
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$self->productions }; |
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} |
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sub production_value { |
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460
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my $self = shift; |
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840
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my $name = shift; |
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1470
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my $reader = $self->meta->find_attribute_by_name($name)->get_read_method; |
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55276
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return $self->$reader; |
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} |
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sub dependencies { |
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1186
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my $class = shift; |
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return |
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1186
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4590
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grep { $_->does('Stepford::Trait::StepDependency') } |
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4409
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728867
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$class->meta->get_all_attributes; |
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} |
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1; |
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# ABSTRACT: The basic role all step classes must implement |
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89
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__END__ |
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=pod |
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=encoding UTF-8 |
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=head1 NAME |
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Stepford::Role::Step - The basic role all step classes must implement |
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99
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=head1 VERSION |
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101
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version 0.006001 |
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103
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=head1 DESCRIPTION |
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105
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All of your step classes must consume this role. It provides the basic |
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interface that the L<Stepford::Runner> class expects. |
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108
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=head1 ATTRIBUTES |
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110
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This role provides one attribute: |
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112
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=head2 logger |
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114
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This attribute is required for all roles. It will be provided to your step |
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classes by the L<Stepford::Runner> object. |
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117
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The Step object will wrap the logger with an object that prepends prepends |
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C<[$log_moniker] > to each log message. The moniker is determined by calling |
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C<< $class->_log_moniker >> on the class during object construction. |
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121
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=head1 METHODS |
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123
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This role provides the following methods: |
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125
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=head2 $step->productions |
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127
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This method returns a list of L<Moose::Meta::Attribute> objects that were |
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given the C<StepProduction> trait. This can be an empty list. |
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130
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=head2 $step->has_production($name) |
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132
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Returns true if the step has a production of the given name. |
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134
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=head2 $step->productions_as_hashref |
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136
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Returns all production values as a hash reference. |
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138
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=head2 $step->production_value($name) |
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140
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This method returns the value of the given production for the object it is |
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called on. |
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143
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=head2 $step->dependencies |
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145
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This method returns a list of L<Moose::Meta::Attribute> objects that were |
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given the C<StepDependency> trait. This can be an empty list. |
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148
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=head1 REQUIRED METHODS |
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150
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All classes which consume the L<Stepford::Role::Step> role must implement the |
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following methods: |
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153
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=head2 $step->run |
154
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155
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This method receives no arguments. It is expected to do whatever it is that |
156
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the step does. |
157
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158
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It may also do other things such as record the last run time. |
159
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160
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=head2 $step->last_run_time |
161
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162
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This method must return a timestamp marking the last time the step was |
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run. You are encouraged to use L<Time::HiRes> as appropriate to provide hi-res |
164
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timestamps. |
165
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166
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You can return C<undef> from this method to request an unconditional rebuild |
167
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of this step, regardless of the C<last_run_time> of previous steps. If a step |
168
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has an C<undef> C<last_run_time> after being run, then all steps that depend |
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on that step will also be re-run. |
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171
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=head1 OPTIONAL METHODS |
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173
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All classes which consume the L<Stepford::Role::Step> role may implement the |
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following methods: |
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176
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=head2 $class->_log_moniker |
177
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178
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This is expected to return a string identifying the class for the purposes of |
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logging. The default moniker is the full class name, but you may prefer to |
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override this in your step classes with something shorter or more descriptive. |
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182
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=head1 SUPPORT |
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184
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Bugs may be submitted through L<https://github.com/maxmind/Stepford/issues>. |
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186
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=head1 AUTHOR |
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188
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Dave Rolsky <drolsky@maxmind.com> |
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190
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=head1 COPYRIGHT AND LICENSE |
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192
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This software is copyright (c) 2014 - 2023 by MaxMind, Inc. |
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194
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This is free software; you can redistribute it and/or modify it under |
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the same terms as the Perl 5 programming language system itself. |
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197
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=cut |