@@ -839,8 +839,8 @@ Group Sequence
839839--------------
840840
841841In some cases, you want to validate your groups by steps. To do this, you can
842- use the ``GroupSequence `` feature. In this case, an object defines a group sequence
843- , which determines the order groups should be validated.
842+ use the ``GroupSequence `` feature. In this case, an object defines a group
843+ sequence , which determines the order groups should be validated.
844844
845845For example, suppose you have a ``User `` class and want to validate that the
846846username and the password are different only if all other validation passes
@@ -1082,21 +1082,14 @@ Now, change the ``User`` class to implement
10821082:class: `Symfony\\ Component\\ Validator\\ GroupSequenceProviderInterface ` and
10831083add the
10841084:method: `Symfony\\ Component\\ Validator\\ GroupSequenceProviderInterface::getGroupSequence `,
1085- which should return an array of groups to use. Also, add the
1086- ``@Assert\GroupSequenceProvider `` annotation to the class (or ``group_sequence_provider: true `` to the YAML). If you imagine
1087- that a method called ``isPremium `` returns true if the user is a premium member,
1088- then your code might look like this::
1085+ which should return an array of groups to use::
10891086
10901087 // src/Acme/DemoBundle/Entity/User.php
10911088 namespace Acme\DemoBundle\Entity;
10921089
10931090 // ...
10941091 use Symfony\Component\Validator\GroupSequenceProviderInterface;
10951092
1096- /**
1097- * @Assert\GroupSequenceProvider
1098- * ...
1099- */
11001093 class User implements GroupSequenceProviderInterface
11011094 {
11021095 // ...
@@ -1113,6 +1106,66 @@ then your code might look like this::
11131106 }
11141107 }
11151108
1109+ At last, you have to notify the Validator component that your ``User `` class
1110+ provides a sequence of groups to be validated:
1111+
1112+ ..configuration-block ::
1113+
1114+ ..code-block ::yaml
1115+
1116+ # src/Acme/DemoBundle/Resources/config/validation.yml
1117+ Acme\DemoBundle\Entity\User :
1118+ group_sequence_provider :~
1119+
1120+ code-block ::php-annotations
1121+
1122+ // src/Acme/DemoBundle/Entity/User.php
1123+ namespace Acme\DemoBundle\Entity;
1124+
1125+ // ...
1126+
1127+ /**
1128+ * @Assert\GroupSequenceProvider
1129+ */
1130+ class User implements GroupSequenceProviderInterface
1131+ {
1132+ // ...
1133+ }
1134+
1135+ code-block ::xml
1136+
1137+ <!-- src/Acme/DemoBundle/Resources/config/validation.xml-->
1138+ <?xml version =" 1.0" encoding =" UTF-8"
1139+ <constraint-mapping xmlns =" http://symfony.com/schema/dic/constraint-mapping"
1140+ xmlns : xsi =" http://www.w3.org/2001/XMLSchema-instance"
1141+ xsi : schemaLocation =" http://symfony.com/schema/dic/constraint-mapping
1142+ http://symfony.com/schema/dic/constraint-mapping/constraint-mapping-1.0.xsd"
1143+ >
1144+ <class name =" Acme\DemoBundle\Entity\User"
1145+ <group-sequence-provider />
1146+ <!-- ...-->
1147+ </class >
1148+ </constraint-mapping >
1149+
1150+ code-block ::php
1151+
1152+ // src/Acme/DemoBundle/Entity/User.php
1153+ namespace Acme\DemoBundle\Entity;
1154+
1155+ // ...
1156+ use Symfony\Component\Validator\Mapping\ClassMetadata;
1157+
1158+ class User implements GroupSequenceProviderInterface
1159+ {
1160+ // ...
1161+
1162+ public static function loadValidatorMetadata(ClassMetadata $metadata)
1163+ {
1164+ $metadata->setGroupSequenceProvider(true);
1165+ // ...
1166+ }
1167+ }
1168+
11161169book-validation-raw-values :
11171170
11181171Validating Values and Arrays