code: public static com.liferay.commerce.product.model.CPInstance getCPInstance(
  		long CPInstanceId)
  		throws com.liferay.portal.kernel.exception.PortalException {
  		return getService().getCPInstance(CPInstanceId);
  	}
docs: Returns the cp instance with the primary key.
  
  @param CPInstanceId the primary key of the cp instance
  @return the cp instance
  @throws PortalException if a cp instance with the primary key could not be found