Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Validator\Mapping;
Chris@0: 
Chris@0: /**
Chris@0:  * Specifies whether an object should be cascaded.
Chris@0:  *
Chris@0:  * Cascading is relevant for any node type but class nodes. If such a node
Chris@0:  * contains an object of value, and if cascading is enabled, then the node
Chris@0:  * traverser will try to find class metadata for that object and validate the
Chris@0:  * object against that metadata.
Chris@0:  *
Chris@0:  * If no metadata is found for a cascaded object, and if that object implements
Chris@0:  * {@link \Traversable}, the node traverser will iterate over the object and
Chris@0:  * cascade each object or collection contained within, unless iteration is
Chris@0:  * prohibited by the specified {@link TraversalStrategy}.
Chris@0:  *
Chris@0:  * Although the constants currently represent a boolean switch, they are
Chris@0:  * implemented as bit mask in order to allow future extensions.
Chris@0:  *
Chris@0:  * @author Bernhard Schussek <bschussek@gmail.com>
Chris@0:  *
Chris@0:  * @see TraversalStrategy
Chris@0:  */
Chris@0: class CascadingStrategy
Chris@0: {
Chris@0:     /**
Chris@0:      * Specifies that a node should not be cascaded.
Chris@0:      */
Chris@0:     const NONE = 1;
Chris@0: 
Chris@0:     /**
Chris@0:      * Specifies that a node should be cascaded.
Chris@0:      */
Chris@0:     const CASCADE = 2;
Chris@0: 
Chris@0:     /**
Chris@0:      * Not instantiable.
Chris@0:      */
Chris@0:     private function __construct()
Chris@0:     {
Chris@0:     }
Chris@0: }