File Coverage

blib/lib/Algorithm/Backoff/LIMD.pm

Criterion	Covered	Total	%
statement	18	19	94.7
branch	3	4	75.0
condition			n/a
subroutine	5	5	100.0
pod			n/a
total	26	28	92.8

package Algorithm::Backoff::LIMD;

our $DATE = '2019-06-20'; # DATE
our $VERSION = '0.008'; # VERSION

use strict;
use warnings;

use parent qw(Algorithm::Backoff);

our %SPEC;

$SPEC{new} = {
    v => 1.1,
    is_class_meth => 1,
    is_func => 0,
    args => {
        %Algorithm::Backoff::attr_consider_actual_delay,
        %Algorithm::Backoff::attr_max_actual_duration,
        %Algorithm::Backoff::attr_max_attempts,
        %Algorithm::Backoff::attr_jitter_factor,
        %Algorithm::Backoff::attr_max_delay,
        %Algorithm::Backoff::attr_min_delay,
        %Algorithm::Backoff::attr_initial_delay,
        %Algorithm::Backoff::attr_delay_increment_on_failure,
        %Algorithm::Backoff::attr_delay_multiple_on_success,
    },
    result_naked => 1,
    result => {
        schema => 'obj*',
    },
};

sub _success {
    my ($self, $timestamp) = @_;

    unless (defined $self->{_prev_delay}) {
        return $self->{_prev_delay} = $self->{initial_delay};
    }

    my $delay = $self->{_prev_delay} * $self->{delay_multiple_on_success};

    $delay;
}

sub _failure {
    my ($self, $timestamp) = @_;

    unless (defined $self->{_prev_delay}) {
        return $self->{_prev_delay} = $self->{initial_delay};
    }

    my $delay = $self->{_prev_delay} + $self->{delay_increment_on_failure};

    $delay;
}

1;
# ABSTRACT: Linear Increment, Multiplicative Decrement (LIMD) backoff

__END__