The London Perl and Raku Workshop takes place on 26th Oct 2024. If your company depends on Perl, please consider sponsoring and/or attending.

NAME

Math::Util::CalculatedValue - math adjustment, which can containe another adjustments

VERSION

Version 0.03

DESCRIPTION

Represents an adjustment to a value (which can contain additional adjustments).

SYNOPSIS

    my $tid = Math::Util::CalculatedValue->new({
        name        => 'time_in_days',
        description => 'Duration in days',
        set_by      => 'Contract',
        base_amount => 0,
    });

    my $tiy = Math::Util::CalculatedValue->new({
        name        => 'time_in_years',
        description => 'Duration in years',
        set_by      => 'Contract',
        base_amount => 1,
    });

    my $dpy = Math::Util::CalculatedValue->new({
        name        => 'days_per_year',
        description => 'days in a year',
        set_by      => 'Contract',
        base_amount => 365,
    });

    $tid->include_adjustment('reset', $tiy);
    $tid->include_adjustment('multiply', $dpy);

    print $tid->amount;

ATTRIBUTES

name

This is the name of the operation which called this module

description

This is the description of the operation which called this module

set_by

This is the name of the module which called this module

base_amount

This is the base amount on which the adjustments are to be made

metadata

Additional information that you wish to include.

minimum

The minimum value for amount

maximum

The maximum value for amount

Methods

new

New instance method

amount

This is the final amount from this object, after applying all adjustments.

adjustments

The ordered adjustments (if any) applied to arrive at the final value.

include_adjustment

Creates the ordered adjustments as per the operation.

exclude_adjustment

Remove an adjustment by name. Returns the number of instances found and excluded.

Excluded items are changed into 'info' so that that still show up but are do not alter the parent value

THis can be extremely dangerous, so make sure you know where and why you are doing it.

replace_adjustment

Replace all instances of the same named adjustment with the provided adjustment

Returns the number of instances replaced.

peek

Peek at an included adjustment by name.

peek_amount

Peek at the value of an included adjustment by name.

AUTHOR

binary.com, <rakesh at binary.com>

BUGS

Please report any bugs or feature requests to bug-math-util-calculatedvalue at rt.cpan.org, or through the web interface at http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Math-Util-CalculatedValue. I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.

SUPPORT

You can find documentation for this module with the perldoc command.

    perldoc Math::Util::CalculatedValue

You can also look for information at:

ACKNOWLEDGEMENTS

LICENSE AND COPYRIGHT

Copyright 2014 binary.com.

This program is free software; you can redistribute it and/or modify it under the terms of the the Artistic License (2.0). You may obtain a copy of the full license at:

http://www.perlfoundation.org/artistic_license_2_0

Any use, modification, and distribution of the Standard or Modified Versions is governed by this Artistic License. By using, modifying or distributing the Package, you accept this license. Do not use, modify, or distribute the Package, if you do not accept this license.

If your Modified Version has been derived from a Modified Version made by someone other than you, you are nevertheless required to ensure that your Modified Version complies with the requirements of this license.

This license does not grant you the right to use any trademark, service mark, tradename, or logo of the Copyright Holder.

This license includes the non-exclusive, worldwide, free-of-charge patent license to make, have made, use, offer to sell, sell, import and otherwise transfer the Package with respect to any patent claims licensable by the Copyright Holder that are necessarily infringed by the Package. If you institute patent litigation (including a cross-claim or counterclaim) against any party alleging that the Package constitutes direct or contributory patent infringement, then this Artistic License to you shall terminate on the date that such litigation is filed.

Disclaimer of Warranty: THE PACKAGE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS IS' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES. THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED TO THE EXTENT PERMITTED BY YOUR LOCAL LAW. UNLESS REQUIRED BY LAW, NO COPYRIGHT HOLDER OR CONTRIBUTOR WILL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING IN ANY WAY OUT OF THE USE OF THE PACKAGE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.