<?php

namespace EnumType;

use \WsdlToPhp\PackageBase\AbstractStructEnumBase;

/**
 * This class stands for Purchase_OrderReferenceEnumeration EnumType
 * @subpackage Enumerations
 */
class Purchase_OrderReferenceEnumeration extends AbstractStructEnumBase
{
    /**
     * Constant for value 'WID'
     * @return string 'WID'
     */
    const VALUE_WID = 'WID';
    /**
     * Constant for value 'Document_Number'
     * @return string 'Document_Number'
     */
    const VALUE_DOCUMENT_NUMBER = 'Document_Number';
    /**
     * Constant for value 'External_PO_Number'
     * @return string 'External_PO_Number'
     */
    const VALUE_EXTERNAL_PO_NUMBER = 'External_PO_Number';
    /**
     * Constant for value 'Purchase_Order_Reference_ID'
     * @return string 'Purchase_Order_Reference_ID'
     */
    const VALUE_PURCHASE_ORDER_REFERENCE_ID = 'Purchase_Order_Reference_ID';
    /**
     * Return allowed values
     * @uses self::VALUE_WID
     * @uses self::VALUE_DOCUMENT_NUMBER
     * @uses self::VALUE_EXTERNAL_PO_NUMBER
     * @uses self::VALUE_PURCHASE_ORDER_REFERENCE_ID
     * @return string[]
     */
    public static function getValidValues()
    {
        return array(
            self::VALUE_WID,
            self::VALUE_DOCUMENT_NUMBER,
            self::VALUE_EXTERNAL_PO_NUMBER,
            self::VALUE_PURCHASE_ORDER_REFERENCE_ID,
        );
    }
}
