JVelasco\CircuitBreaker\AvailabilityStrategy\Backoff\Exponential

Complexity

Total Complexity

3

Size/Duplication

Total Lines	17
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	waitTime()	0	7	2
A	id()	0	3	1

<?php

namespace JVelasco\CircuitBreaker\AvailabilityStrategy\Backoff;

use JVelasco\CircuitBreaker\AvailabilityStrategy\BackoffStrategy;

final class Exponential implements BackoffStrategy
{
    public function waitTime(int $attempt, int $baseTime): int
    {
        if ($attempt === 1) {
            return $baseTime;
        }

        return pow(2, $attempt-1) * $baseTime;
    }

    /**
     * @return string that uniquely identify the strategy
     */
    public function id(): string
    {
        return "exponential";
    }
}