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#!perl
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# ########################################################################## #
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# Title: Sub reference to datastream importer
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# Creation date: 2007-03-05
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# Author: Michael Zedeler
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# Description: Produces a datastream from a sub reference
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# Data Stream class
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# Data importer
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# File: $Source: /data/cvs/lib/DSlib/lib/DS/Importer/Sub.pm,v $
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# Repository: kronhjorten
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# State: $State: Exp $
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# Documentation: inline
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# Recepient: -
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# ########################################################################## #
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package DS::Importer::Sub;
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2
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2
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1628
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use base qw{ DS::Importer };
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2
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1237
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2
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2
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use strict;
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2
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59
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2
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2
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use Carp::Assert;
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2
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our ($VERSION) = $DS::VERSION;
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our ($REVISION) = '$Revision: 1.1 $' =~ /(\d+\.\d+)/;
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sub new {
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3
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3
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1
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my( $class, $sub, $typespec, $target, $row ) = @_;
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3
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my $self = $class->SUPER::new( $typespec, $target, $row );
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3
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assert(ref($sub) eq 'CODE');
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3
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$self->{sub} = $sub;
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3
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return $self;
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}
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sub _fetch {
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3
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3
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5
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my($self) = @_;
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3
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3
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return &{$self->{sub}}($self);
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3
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10
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41
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}
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sub target {
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7
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7
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1
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my( $self, $target ) = @_;
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7
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20
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$self->SUPER::target( $target );
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}
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48
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1;
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