Completed
Push — master ( d94a2b...d27c94 )
by Camilo
02:20
created

PacketIdentifier::getPacketIdentifierValue()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 3
rs 10
c 0
b 0
f 0
cc 1
eloc 1
nc 1
nop 0
1
<?php
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declare(strict_types=1);
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namespace unreal4u\MQTT\DataTypes;
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use unreal4u\MQTT\Utilities;
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/**
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 * This Value Object will always contain a valid Packet Identifier
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 */
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final class PacketIdentifier
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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 $packetIdentifier;
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    /**
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     * QoSLevel constructor.
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     *
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     * @param int $packetIdentifier
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     * @throws \InvalidArgumentException
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     */
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    public function __construct(int $packetIdentifier)
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    {
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        if ($packetIdentifier > 6535 || $packetIdentifier < 1) {
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            throw new \InvalidArgumentException(sprintf(
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                'The provided packet identifier is invalid. Valid values are 1-65535 (Provided: %d)',
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                $packetIdentifier
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            ));
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        }
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        $this->packetIdentifier = $packetIdentifier;
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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 getPacketIdentifierValue(): int
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    {
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        return $this->packetIdentifier;
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    }
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    public function __toString(): string
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    {
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        return Utilities::convertNumberToBinaryString($this->packetIdentifier);
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    }
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}
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