Mybatis  three entity relation：association in collection

PatentMapper.xml

    select   ,             ,                 from BIZ_OBJECT_PATENT PET    left join BIZ_LAWSTATE LS on LS.OBJECT_ID = PET.ID AND LS.WHICH_OBJECT = '2'    left join PF_USER SU on SU.ID = LS.CREATE_USER_ID  

LawStateMapper.xml

Patent.java

    private List<LawState> lawStates;

 

LawState.java

    private User createUser;