我有继承映射的父类
/**
* Product
*
* @Entity(repositoryClass="ProductRepository")
* @Table(name="tbl_product")
* @InheritanceType("JOINED")
* @DiscriminatorColumn(name="discr", type="integer")
* @DiscriminatorMap({ 0 = "Product", 1 = "Bag"})
*/
class Product
{
如何将鞋子等新产品类型动态添加到＆＃34; DiscriminatorMap＆＃34;
感谢