A validation for the foreign key field on a belongs_to relationship

Located in /activerecord/lib/ActiveRecord/Association/BelongsTo.php (line 9)

ActiveRecord_Validation
   |
   --ActiveRecord_Association_BelongsToKeyValidation

mixed $class_name (line 12)

• access: protected

mixed $foreign_key (line 11)

• access: protected

mixed $msg (line 10)

• access: protected

Inherited Variables

Inherited from ActiveRecord_Validation

ActiveRecord_Validation::$condition
ActiveRecord_Validation::$type

Constructor __construct (line 23)

Constructor

• access: public

ActiveRecord_Association_BelongsToKeyValidation __construct (string $foreign_key, string $class_name, [string $msg = false], [int $type = ActiveRecord_Validation::ON_SAVE], [string $condition = false])

• string $foreign_key: The name of the foreign key field
• string $class_name: The name of the associated class
• string $msg: Error message to use
• int $type: The validation type (ON_SAVE, ON_CREATE, or ON_UPDATE)
• string $condition: Optional method to call for determining whether to run the validation or not

---

Redefinition of:

ActiveRecord_Validation::__construct()

Constructor

validate (line 37)

Validate the object provided. If the object is invalid, it is the responsibility of this method to add any errors appropriate to the object's error collection.

• access: public

void validate (ActiveRecord_Base $obj)

• ActiveRecord_Base $obj: The object to validate

---

Redefinition of:

ActiveRecord_Validation::validate()

Validate the object provided. If the object is invalid, it is the responsibility of this method to add any errors appropriate to the object's error collection.

Inherited Methods

Inherited From ActiveRecord_Validation

ActiveRecord_Validation::__construct()
ActiveRecord_Validation::should_validate()
ActiveRecord_Validation::validate()

Inherited Constants

Inherited from ActiveRecord_Validation

ActiveRecord_Validation::ON_CREATE
ActiveRecord_Validation::ON_SAVE
ActiveRecord_Validation::ON_UPDATE