/usr/share/perl5/UR/Value.pm is in libur-perl 0.440-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 | package UR::Value;
use strict;
use warnings;
require UR;
use List::MoreUtils;
our $VERSION = "0.44"; # UR $VERSION;
our @CARP_NOT = qw( UR::Context );
UR::Object::Type->define(
class_name => 'UR::Value',
is => 'UR::Object',
has => ['id'],
data_source => 'UR::DataSource::Default',
);
sub __display_name__ {
return shift->id;
}
sub __load__ {
my $class = shift;
my $rule = shift;
my $expected_headers = shift;
my $class_meta = $class->__meta__;
unless ($class_meta->{_value_loader}) {
my @id_property_names = $class_meta->all_id_property_names;
my %id_property_names = map { $_ => 1 } @id_property_names;
my $loader = sub {
my $bx = shift;
my $id = $bx->value_for_id;
unless (defined $id) {
Carp::croak "Can't load an infinite set of "
. $bx->subject_class_name
. ". Some id properties were not specified in the rule $bx";
}
my @rows;
if (ref($id) and ref($id) eq 'ARRAY') {
# Multiple IDs passed in - return rows for multiple objects
my @non_id = grep { ! $id_property_names{$_} } $bx->template->_property_names;
if (@non_id) {
Carp::croak("Cannot load class "
. $bx->subject_class_name
. " via UR::DataSource::Default when 'id' is a listref and non-id"
. " properties appear in the rule: "
. join(', ', @non_id));
}
# Get the 1st value from each list, then the second, then the third, etc
my $iter = List::MoreUtils::each_arrayref
map {
my $v = $bx->value_for($_);
(ref($v) eq 'ARRAY')
? $v
: [ $v ]
}
@$expected_headers;
while(my @row = $iter->()) {
push @rows, \@row;
}
} else {
# single ID - return a single row
my @row = map { $bx->value_for($_) } @$expected_headers;
@rows = ( \@row );
}
return ($expected_headers, \@rows);
};
$class_meta->{_value_loader} = $loader;
}
return $class_meta->{_value_loader}->($rule);
}
sub underlying_data_types {
return ();
}
package UR::Value::Type;
sub get_composite_id_decomposer {
my $class_meta = shift;
unless ($class_meta->{get_composite_id_decomposer}) {
my @id_property_names = $class_meta->id_property_names;
my $instance_class = $class_meta->class_name;
if (my $decomposer = $instance_class->can('__deserialize_id__')) {
$class_meta->{get_composite_id_decomposer} = sub {
my @ids = (ref($_[0]) and ref($_[0]) eq 'ARRAY')
? @{$_[0]}
: ( $_[0] );
my @retval;
if (@ids == 1) {
my $h = $instance_class->$decomposer($ids[0]);
@retval = @$h{@id_property_names};
} else {
# Get the 1st value from each list, then the second, then the third, etc
my @decomposed = map {
my $h = $instance_class->$decomposer($_);
[ @$h{@id_property_names} ]
}
@ids;
my $iter = List::MoreUtils::each_arrayref @decomposed;
while( my @row = $iter->() ) {
push @retval, \@row;
}
}
return @retval;
};
} else {
$decomposer = $class_meta->SUPER::get_composite_id_decomposer();
$class_meta->{get_composite_id_decomposer} = $decomposer;
}
}
return $class_meta->{get_composite_id_decomposer};
}
sub get_composite_id_resolver {
my $class_meta = shift;
unless ($class_meta->{get_composite_id_resolver}) {
my @id_property_names = $class_meta->id_property_names;
my $instance_class = $class_meta->class_name;
if (my $resolver = $instance_class->can('__serialize_id__')) {
$class_meta->{get_composite_id_resolver} = sub {
my %h = map { $_ => shift } @id_property_names;
return $instance_class->__serialize_id__(\%h);
};
} else {
$resolver = $class_meta->SUPER::get_composite_id_resolver();
$class_meta->{get_composite_id_resolver} = $resolver;
}
}
return $class_meta->{get_composite_id_resolver};
}
1;
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