uuid的注解，求大神指导！

oracle表中id为主键
ID VARCHAR2(32 BYTE) No SYS_GUID() 13 key

实体类
@Id
@GeneratedValue(generator="system-uuid")
@SequenceGenerator(name = "system-uuid", sequenceName = "uuid")
public String getId() {

    return id;
}

public void setId(String id) {

    this.id = id;
}

    是这样写吗？