QoSLevel::__construct()   A
last analyzed

Complexity

Conditions 3
Paths 2

Size

Total Lines 10
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 3

Importance

Changes 2
Bugs 0 Features 0
Metric Value
eloc 5
c 2
b 0
f 0
dl 0
loc 10
ccs 5
cts 5
cp 1
rs 10
cc 3
nc 2
nop 1
crap 3
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<?php
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declare(strict_types=1);
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namespace unreal4u\MQTT\DataTypes;
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use unreal4u\MQTT\Exceptions\InvalidQoSLevel;
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/**
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 * This Value Object will always contain a valid QoS level.
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 */
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final class QoSLevel
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{
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    /**
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     * This field indicates the level of assurance for delivery of an Application Message. Can be 0, 1 or 2
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     *
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     * 0: At most once delivery (default)
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     * 1: At least once delivery
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     * 2: Exactly once delivery
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     *
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     * @var int
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     */
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    private $qosLevel;
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    /**
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     * QoSLevel constructor.
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     *
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     * @param int $qosLevel
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     *
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     * @throws \unreal4u\MQTT\Exceptions\InvalidQoSLevel
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     */
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    public function __construct(int $qosLevel = 0)
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    {
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        if ($qosLevel > 2 || $qosLevel < 0) {
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            throw new InvalidQoSLevel(sprintf(
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                'The provided QoS level is invalid. Valid values are 0, 1 and 2 (Provided: %d)',
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                $qosLevel
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            ));
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        }
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        $this->qosLevel = $qosLevel;
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    }
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    /**
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     * Gets the current QoS level
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     *
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     * @return int
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     */
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    public function getQoSLevel(): int
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    {
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        return $this->qosLevel;
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    }
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    public function __toString(): string
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    {
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        return (string)$this->qosLevel;
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    }
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}
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