function ResourceIdentifier::getArity

Gets the ResourceIdentifier's arity.

One must check self::hasArity() before calling this method.

Return value

int The arity.

File

core/modules/jsonapi/src/JsonApiResource/ResourceIdentifier.php, line 141

Class

ResourceIdentifier

Represents a JSON:API resource identifier object.

Namespace

Code

public function getArity() {
    assert($this->hasArity());
    return $this->meta[static::ARITY_KEY];
}