public function relationship($class, $type, $name, array $config = array()) {
		$key = Inflector::camelize($type == 'belongsTo' ? $class::meta('name') : $name, false);

		$config += compact('name', 'type', 'key');
		$config['from'] = $class;
		$relationship = $this->_classes['relationship'];

		$defaultLinks = array(
			'hasOne' => $relationship::LINK_EMBEDDED,
			'hasMany' => $relationship::LINK_EMBEDDED,
			'belongsTo' => $relationship::LINK_CONTAINED
		);
		$config += array('link' => $defaultLinks[$type]);
		return new $relationship($config);
	}