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package Workflow::Condition::Negated; |
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use strict; |
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use warnings; |
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our $VERSION = '1.62'; |
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use base qw( Workflow::Condition ); |
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my @FIELDS = qw( name class negated ); |
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__PACKAGE__->mk_accessors(@FIELDS); |
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sub _init { |
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my ( $self, $params ) = @_; |
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my $negated = $params->{name}; |
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$negated =~ s/ \A ! //gx; |
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$self->negated( $negated ); |
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$self->SUPER::_init($params); |
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} |
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sub evaluate { |
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my ($self, $wf) = @_; |
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return not $self->evaluate_condition($wf, $self->negated); |
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} |
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1; |
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__END__ |
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=pod |
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=head1 NAME |
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Workflow::Condition::Negated - Negate workflow condition result |
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=head1 VERSION |
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This documentation describes version 1.62 of this package |
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=head1 DESCRIPTION |
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This class is used by C<Workflow::State> to handle I<negated conditions>: |
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conditions of which the referring name starts with an exclamation mark (!). |
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Such conditions refer to another condition (by the name after the '!') and |
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return the negated result of the condition referred to (true becomes false |
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while false becomes true). |
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=head1 SYNOPSIS |
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In condition.xml: |
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<condition name="check_approvals" class="..."> |
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</condition> |
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In workflow.xml: |
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<state name="CHECK_APPROVALS" autorun="yes"> |
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<action name="null_1" resulting_state="APPROVED"> |
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<condition name="check_approvals" /> |
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</action> |
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<action name="null_2" resulting_state="REJECTED"> |
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<condition name="!check_approvals" /> |
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</action> |
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</state> |
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=cut |
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70
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=head1 AUTHORS |
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See L<Workflow> |
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=head1 COPYRIGHT |
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Copyright (c) 2004-2023 Chris Winters. All rights reserved. |
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78
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This library is free software; you can redistribute it and/or modify |
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it under the same terms as Perl itself. |
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81
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Please see the F<LICENSE> |
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83
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=head1 AUTHORS |
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85
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Please see L<Workflow> |
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87
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=cut |