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### |
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### Copyright 2002-2003 University of Illinois Board of Trustees |
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### Copyright 2002-2003 Mark D. Roth |
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### All rights reserved. |
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### |
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### Config::Objective::DataType - base class for Config::Objective data types |
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### |
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### Mark D. Roth |
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### Campus Information Technologies and Educational Services |
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### University of Illinois at Urbana-Champaign |
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### |
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package Config::Objective::DataType; |
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use strict; |
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############################################################################### |
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### constructor |
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############################################################################### |
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sub new |
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{ |
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1
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my ($class, %opts) = @_; |
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my ($self); |
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$self = \%opts; |
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bless($self, $class); |
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$self->unset() |
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if (!exists($self->{'value'})); |
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return $self; |
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} |
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############################################################################### |
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### get method |
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############################################################################### |
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sub get |
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{ |
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my ($self) = @_; |
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# print "==> get(" . ref($self) . ")\n"; |
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return $self->{'value'}; |
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} |
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############################################################################### |
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### set method |
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############################################################################### |
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sub set |
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{ |
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1
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my ($self, $value) = @_; |
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61
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# print "==> set(\"$value\")\n"; |
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$self->{'value'} = $value; |
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return 1; |
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} |
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############################################################################### |
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### default method |
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############################################################################### |
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sub default |
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{ |
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1
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my ($self, $value) = @_; |
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76
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$self->set($value); |
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} |
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79
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80
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############################################################################### |
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### unset method |
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############################################################################### |
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84
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sub unset |
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{ |
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12
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1
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my ($self) = @_; |
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88
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$self->{'value'} = undef; |
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12
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return 1; |
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} |
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92
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93
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############################################################################### |
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94
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### utility function for parsing arguments |
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95
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############################################################################### |
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96
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97
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sub _scalar_or_list |
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{ |
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99
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13
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my ($self, $value) = @_; |
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100
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101
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13
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100
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$value = [ $value ] |
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if (! ref($value)); |
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104
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36
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die "method requires scalar or list argument\n" |
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if (ref($value) ne 'ARRAY'); |
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107
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13
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36
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return $value; |
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108
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} |
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109
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110
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111
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############################################################################### |
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112
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### cleanup and documentation |
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113
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############################################################################### |
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114
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115
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1; |
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117
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__END__ |