<?php

namespace GlsApi\Struct;

use \WsdlToPhp\PackageBase\AbstractStructBase;

/**
 * This class stands for cTrackID Struct
 * @subpackage Structs
 */
class CTrackID extends AbstractStructBase
{
    /**
     * The track_id
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 1
     * @var string
     */
    public $track_id;
    /**
     * Constructor method for cTrackID
     * @uses CTrackID::setTrack_id()
     * @param string $track_id
     */
    public function __construct($track_id = null)
    {
        $this
            ->setTrack_id($track_id);
    }
    /**
     * Get track_id value
     * @return string
     */
    public function getTrack_id()
    {
        return $this->track_id;
    }
    /**
     * Set track_id value
     * @param string $track_id
     * @return \GlsApi\Struct\CTrackID
     */
    public function setTrack_id($track_id = null)
    {
        // validation for constraint: string
        if (!is_null($track_id) && !is_string($track_id)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($track_id, true), gettype($track_id)), __LINE__);
        }
        $this->track_id = $track_id;
        return $this;
    }
}