07-05-2015
What operating system are you using?
Your large dataset clearly is not a text file. What type of file is it?
What delimits columns in your dataset?
What separates records in your dataset?
What is the format of column IDs?
What is the format of the file containing column IDs?
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LEARN ABOUT DEBIAN
class::makemethods::utility::inheritable
MakeMethods::Utility::Inheritable(3pm) User Contributed Perl Documentation MakeMethods::Utility::Inheritable(3pm)
NAME
Class::MakeMethods::Utility::Inheritable - "Inheritable" data
SYNOPSIS
package MyClass;
sub new { ... }
package MySubclass;
@ISA = 'MyClass';
...
my $obj = MyClass->new(...);
my $subobj = MySubclass->new(...);
use Class::MakeMethods::Utility::Inheritable qw(get_vvalue set_vvalue );
my $dataset = {};
set_vvalue($dataset, 'MyClass', 'Foobar'); # Set value for class
get_vvalue($dataset, 'MyClass'); # Gets value "Foobar"
get_vvalue($dataset, $obj); # Objects "inherit"
set_vvalue($dataset, $obj, 'Foible'); # Until you override
get_vvalue($dataset, $obj); # Now finds "Foible"
get_vvalue($dataset, 'MySubclass'); # Subclass "inherits"
get_vvalue($dataset, $subobj); # As do its objects
set_vvalue($dataset, 'MySubclass', 'Foozle'); # Until we override it
get_vvalue($dataset, 'MySubclass'); # Now finds "Foozle"
get_vvalue($dataset, $subobj); # Change cascades down
set_vvalue($dataset, $subobj, 'Foolish'); # Until we override again
get_vvalue($dataset, 'MyClass'); # Superclass is unchanged
DESCRIPTION
This module provides several functions which allow you to store values in a hash corresponding to both objects and classes, and to retrieve
those values by searching a object's inheritance tree until it finds a matching entry.
This functionality is used by Class::MakeMethods::Standard::Inheritable and Class::MakeMethods::Composite::Inheritable to construct methods
that can both store class data and be overriden on a per-object level.
REFERENCE
find_vself
$vself = find_vself( $dataset, $instance );
Searches $instance's inheritance tree until it finds a matching entry in the dataset, and returns either the instance, the class that
matched, or undef.
get_vvalue
$value = get_vvalue( $dataset, $instance );
Searches $instance's inheritance tree until it finds a matching entry in the dataset, and returns that value
set_vvalue
$value = set_vvalue( $dataset, $instance, $value );
Searches $instance's inheritance tree until it finds a matching entry in the dataset, and returns that value
perl v5.10.1 2004-09-06 MakeMethods::Utility::Inheritable(3pm)