neomerx / json-api

            ));

        }

        if (isset($this->providerMapping[$type]) === true) {

            throw new InvalidArgumentException(T::t(

                'Type should not be used more than once to register a schema (\'%s\').',

                [$type]

            ));

        }

        $this->providerMapping[$type] = $schema;

    }

            return $this->createdProviders[$type];

        }

        if (isset($this->providerMapping[$type]) === false) {

            throw new InvalidArgumentException(T::t('Schema is not registered for type \'%s\'.', [$type]));

        }

        $classNameOrClosure = $this->providerMapping[$type];

        if ($classNameOrClosure instanceof Closure) {

            $this->createdProviders[$type] = ($schema = $classNameOrClosure($this->factory, $this));

        } else {

            $this->createdProviders[$type] = ($schema = new $classNameOrClosure($this->factory, $this));