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ShippingMethodCollection
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 __construct(array $shippingMethod = [])
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 addShippingMethod(ShippingMethodInterface $shippingMethod)
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 setShippingMethods(array $shippingMethods)
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<?php
/**
 * @author Krzysztof Gzocha <krzysztof.gzocha@xsolve.pl>
 */
namespace Team3\PayU\Order\Model\ShippingMethods;
class ShippingMethodCollection implements ShippingMethodCollectionInterface
{
    /**
     * @var ShippingMethodInterface[]
     */
    protected $shippingMethods;
    /**
     * @param ShippingMethodInterface[] $shippingMethod
     */
    public function __construct(array $shippingMethod = [])
    {
        $this->shippingMethods = $shippingMethod;
    }
    /**
     * Return true if given object is filled
     *
     * @return bool
     */
    public function isFilled()
    {
        return 0 < count($this->shippingMethods);
    }
    /**
     * @return ShippingMethodInterface[]
     */
    public function getShippingMethods()
    {
        return $this->shippingMethods;
    }
    /**
     * @inheritdoc
     */
    public function addShippingMethod(ShippingMethodInterface $shippingMethod)
    {
        $this->shippingMethods[] = $shippingMethod;
        return $this;
    }
    /**
     * @param ShippingMethodInterface[] $shippingMethods
     *
     * @return ShippingMethodCollection
     */
    public function setShippingMethods(array $shippingMethods)
    {
        $this->shippingMethods = array_values($shippingMethods);
        return $this;
    }
    /**
     * @inheritdoc
     */
    public function getIterator()
    {
        return new \ArrayIterator($this->getShippingMethods());
    }
    /**
     * @inheritdoc
     */
    public function count()
    {
        return count($this->getShippingMethods());
    }
}