public function getInstance(Constraint $constraint)
{
$className = $constraint->validatedBy();
if (!isset($this->validators[$className])) {
$this->validators[$className] = new $className();
}
return $this->validators[$className];
}
/**
* Adds a constraint to the getter of the given property
*
* The name of the getter is assumed to be the name of the property with an
* uppercased first letter and either the prefix "get" or "is".
*
* @param string $property The name of the property
* @param Constraint $constraint The constraint
* @return ClassMetadata This object
*/
public function addGetterConstraint($property, Constraint $constraint)
{
if (!isset($this->getters[$property])) {
$this->getters[$property] = new GetterMetadata($this->getClassName(), $property);
$this->addMemberMetadata($this->getters[$property]);
}
$constraint->addImplicitGroupName($this->getShortClassName());
$this->getters[$property]->addConstraint($constraint);
return $this;
}
/**
* Returns a contraint validator from the container service, setting it if it
* doesn't exist yet
*
* Throws an exception if validator service is not instance of
* ConstraintValidatorInterface.
*
* @param Constraint $constraint
* @return ConstraintValidatorInterface
* @throws \LogicException
*/
public function getInstance(Constraint $constraint)
{
$className = $constraint->validatedBy();
$id = $this->getServiceIdFromClass($className);
if (!$this->container->hasService($id)) {
$this->container->setService($id, new $className());
}
$validator = $this->container->getService($id);
if (!$validator instanceof ConstraintValidatorInterface) {
throw new \LogicException('Service "' . $id . '" is not instance of ConstraintValidatorInterface');
}
return $validator;
}