DurationInterface.php

<?php

namespace Drupal\Core\TypedData\Type;


/**
 * Interface for durations.
 *
 * @ingroup typed_data
 */
interface DurationInterface {
    
    /**
     * Returns the duration.
     *
     * @return \DateInterval|null
     *   A DateInterval object or NULL if there is no duration.
     *
     * @throws \Exception
     */
    public function getDuration();
    
    /**
     * Sets the duration.
     *
     * @param \DateInterval $duration
     *   A duration to set.
     */
    public function setDuration(\DateInterval $duration);

}