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## -------------------------------------------------------------------------------- |
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## $Id: LV.pm,v 1.2 2003/02/11 11:12:44 joko Exp $ |
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## -------------------------------------------------------------------------------- |
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## $Log: LV.pm,v $ |
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## Revision 1.2 2003/02/11 11:12:44 joko |
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## + sub get |
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## |
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## Revision 1.1 2002/12/27 16:03:58 joko |
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## + initial check-in |
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## |
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## -------------------------------------------------------------------------------- |
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|
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|
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package Data::Query::Element::LV; |
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|
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use strict; |
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use warnings; |
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|
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use base qw( |
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DesignPattern::Object |
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DesignPattern::Logger |
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); |
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|
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|
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use Data::Dumper; |
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|
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sub _init { |
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my $self = shift; |
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# get single argument already stuffed from designpattern-base-object (hopefully) |
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$self->{value} = $self->{__arg}; |
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delete $self->{__arg}; |
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} |
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|
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sub __check { |
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my $self = shift; |
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if (!defined $self->{value}) { |
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return; |
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} |
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return 1; |
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} |
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|
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sub eq { |
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my $self = shift; |
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my $val = shift; |
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return if !$self->__check(); |
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return 1 if $self->{value} eq $val; |
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} |
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|
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sub value { |
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my $self = shift; |
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return $self->{value}; |
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} |
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|
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sub toString { |
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my $self = shift; |
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my $val = $self->value(); |
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$val ||= ''; |
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return $val; |
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} |
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|
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sub undefined { |
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my $self = shift; |
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my $val = $self->value(); |
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return !($val); |
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} |
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|
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sub set { |
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my $self = shift; |
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return $self->{value} = shift; |
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} |
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|
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sub get { |
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my $self = shift; |
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return $self->value(); |
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} |
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|
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1; |
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