protected addNamespaceAlias(string $alias, string $namespace)

Adds a namespace alias.

The namespace alias can be used to reference constraints from specific namespaces in {@link newConstraint()}:

$this->addNamespaceAlias('mynamespace', '\\Acme\\Package\\Constraints\\');

$constraint = $this->newConstraint('mynamespace:NotNull');

Parameters

string	$alias	The alias
string	$namespace	The PHP namespace

protected Constraint newConstraint(string $name, mixed $options = null)

Creates a new constraint instance for the given constraint name.

Parameters

string	$name	The constraint name. Either a constraint relative to the default constraint namespace, or a fully qualified class name. Alternatively, the constraint may be preceded by a namespace alias and a colon. The namespace alias must have been defined using {@link addNamespaceAlias()}.
mixed	$options	The constraint options

Return Value

Constraint

Exceptions

MappingException

If the namespace prefix is undefined

__construct(string $file)

Creates a new loader.

Parameters

string

$file

The mapping file to load

Exceptions

MappingException

If the file does not exist or is not readable