1 <?php

     2 

     3 namespace Doctrine\ORM\Event;

     4 

     5 use Doctrine\Common\EventArgs,

     6     Doctrine\ORM\EntityManager;

     7 

     8 /**

     9  * Class that holds event arguments for a preInsert/preUpdate event.

    10  *

    11  * @author Roman Borschel <roman@code-factory.org>

    12  * @author Benjamin Eberlei <kontakt@beberlei.de>

    13  * @since 2.0

    14  */

    15 class PreUpdateEventArgs extends LifecycleEventArgs

    16 {

    17     /**

    18      * @var array

    19      */

    20     private $_entityChangeSet;

    21 

    22     /**

    23      *

    24      * @param object $entity

    25      * @param EntityManager $em

    26      * @param array $changeSet

    27      */

    28     public function __construct($entity, $em, array &$changeSet)

    29     {

    30         parent::__construct($entity, $em);

    31         $this->_entityChangeSet = &$changeSet;

    32     }

    33 

    34     public function getEntityChangeSet()

    35     {

    36         return $this->_entityChangeSet;

    37     }

    38 

    39     /**

    40      * Field has a changeset?

    41      *

    42      * @return bool

    43      */

    44     public function hasChangedField($field)

    45     {

    46         return isset($this->_entityChangeSet[$field]);

    47     }

    48 

    49     /**

    50      * Get the old value of the changeset of the changed field.

    51      * 

    52      * @param  string $field

    53      * @return mixed

    54      */

    55     public function getOldValue($field)

    56     {

    57     	$this->_assertValidField($field);

    58 

    59         return $this->_entityChangeSet[$field][0];

    60     }

    61 

    62     /**

    63      * Get the new value of the changeset of the changed field.

    64      *

    65      * @param  string $field

    66      * @return mixed

    67      */

    68     public function getNewValue($field)

    69     {

    70         $this->_assertValidField($field);

    71 

    72         return $this->_entityChangeSet[$field][1];

    73     }

    74 

    75     /**

    76      * Set the new value of this field.

    77      * 

    78      * @param string $field

    79      * @param mixed $value

    80      */

    81     public function setNewValue($field, $value)

    82     {

    83         $this->_assertValidField($field);

    84 

    85         $this->_entityChangeSet[$field][1] = $value;

    86     }

    87 

    88     private function _assertValidField($field)

    89     {

    90     	if (!isset($this->_entityChangeSet[$field])) {

    91             throw new \InvalidArgumentException(

    92                 "Field '".$field."' is not a valid field of the entity ".

    93                 "'".get_class($this->getEntity())."' in PreInsertUpdateEventArgs."

    94             );

    95         }

    96     }

    97 }

    98