48 lines
832 B
PHP
Executable File
48 lines
832 B
PHP
Executable File
<?php
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namespace STS\Backoff\Strategies;
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/**
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* Class PolynomialStrategy
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* @package STS\Backoff\Strategies
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*/
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class PolynomialStrategy extends AbstractStrategy
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{
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/**
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* @var int
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*/
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protected $degree = 2;
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/**
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* PolynomialStrategy constructor.
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*
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* @param int $degree
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* @param int $base
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*/
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public function __construct($base = null, $degree = null)
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{
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if(!is_null($degree)) {
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$this->degree = $degree;
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}
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parent::__construct($base);
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}
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/**
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* @param int $attempt
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*
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* @return int
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*/
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public function getWaitTime($attempt)
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{
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return (int) pow($attempt, $this->degree) * $this->base;
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}
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/**
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* @return int|null
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*/
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public function getDegree()
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{
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return $this->degree;
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}
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}
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