1 <?php

     2 

     3 /*

     4  * This file is part of the Symfony package.

     5  *

     6  * (c) Fabien Potencier <fabien@symfony.com>

     7  *

     8  * For the full copyright and license information, please view the LICENSE

     9  * file that was distributed with this source code.

    10  */

    11 

    12 namespace Symfony\Component\Validator\Mapping;

    13 

    14 use Symfony\Component\Validator\Constraint;

    15 

    16 abstract class ElementMetadata

    17 {

    18     public $constraints = array();

    19     public $constraintsByGroup = array();

    20 

    21     /**

    22      * Returns the names of the properties that should be serialized.

    23      *

    24      * @return array

    25      */

    26     public function __sleep()

    27     {

    28         return array(

    29             'constraints',

    30             'constraintsByGroup',

    31         );

    32     }

    33 

    34     /**

    35      * Clones this object.

    36      */

    37     public function __clone()

    38     {

    39         $constraints = $this->constraints;

    40 

    41         $this->constraints = array();

    42         $this->constraintsByGroup = array();

    43 

    44         foreach ($constraints as $constraint) {

    45             $this->addConstraint(clone $constraint);

    46         }

    47     }

    48 

    49     /**

    50      * Adds a constraint to this element.

    51      *

    52      * @param Constraint $constraint

    53      */

    54     public function addConstraint(Constraint $constraint)

    55     {

    56         $this->constraints[] = $constraint;

    57 

    58         foreach ($constraint->groups as $group) {

    59             $this->constraintsByGroup[$group][] = $constraint;

    60         }

    61 

    62         return $this;

    63     }

    64 

    65     /**

    66      * Returns all constraints of this element.

    67      *

    68      * @return array  An array of Constraint instances

    69      */

    70     public function getConstraints()

    71     {

    72         return $this->constraints;

    73     }

    74 

    75     /**

    76      * Returns whether this element has any constraints.

    77      *

    78      * @return Boolean

    79      */

    80     public function hasConstraints()

    81     {

    82         return count($this->constraints) > 0;

    83     }

    84 

    85     /**

    86      * Returns the constraints of the given group and global ones (* group).

    87      *

    88      * @param string $group The group name

    89      *

    90      * @return array An array with all Constraint instances belonging to the group

    91      */

    92     public function findConstraints($group)

    93     {

    94         return isset($this->constraintsByGroup[$group])

    95                 ? $this->constraintsByGroup[$group]

    96                 : array();

    97     }

    98 }