RemiSan\Lock\Quorum\MajorityQuorum

Complexity

Total Complexity

6

Size/Duplication

Total Lines	44
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Test Coverage

Coverage

100%

Importance

Changes	3
Bugs	0	Features	1

2 Methods

Rating	Name	Duplication	Size	Complexity
A	init()	0	9	2
A	isMet()	0	15	4

<?php

namespace RemiSan\Lock\Quorum;

use RemiSan\Lock\Quorum;

class MajorityQuorum implements Quorum
{
    /**
     * @var int
     */
    private $total;

    /**
     * @var int
     */
    private $quorum = null;

    /**
     * {@inheritdoc}
     */
    public function init($totalNumber)
    {
        if ($totalNumber < 1) {
            throw new \InvalidArgumentException('You must have at least one store.');
        }

        $this->total = $totalNumber;
        $this->quorum = (int) floor($totalNumber / 2) + 1;
    }

    /**
     * {@inheritdoc}
     */
    public function isMet($numberOfSuccess)
    {
        if ($this->quorum === null) {
            throw new \RuntimeException('You must init the Quorum before querying it.');
        }

        if ($numberOfSuccess < 0 ||
            $numberOfSuccess > $this->total) {
            throw new \InvalidArgumentException(
                'Number of success cannot be inferior to zero or superior to the number of stores.'
            );
        }

        return $numberOfSuccess >= $this->quorum;
    }
}