Spring MVC + hibernate: binding form to polymorphic class list











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i have this structure class:



public class A {

   private list<B> b;

}



public class B {}

public class B1 extends B{}

public class B2 extends B{}


At the controller:



@RequestMapping("/A")

    public ModelAndView getA(){

       model.addObject("a", a);

    }


This method return the list with all B1 and B2 to the view and all ok.



But when i try submit the form:



@PostMapping("/saveA")

public ModelAndView saveA(@ModelAttribute A a, BindingResult bindingResult)


the specific values ​​of each class dont save.



Is there any way to do this?






spring hibernate spring-mvc polymorphism







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    up vote
    0
    down vote

    favorite












    i have this structure class:



    public class A {
    
   private list<B> b;
    
}
    

    
public class B {}
    
public class B1 extends B{}
    
public class B2 extends B{}


    At the controller:



    @RequestMapping("/A")
    
    public ModelAndView getA(){
    
       model.addObject("a", a);
    
    }


    This method return the list with all B1 and B2 to the view and all ok.



    But when i try submit the form:



    @PostMapping("/saveA")
    
public ModelAndView saveA(@ModelAttribute A a, BindingResult bindingResult)


    the specific values ​​of each class dont save.



    Is there any way to do this?






    spring hibernate spring-mvc polymorphism







    share|improve this question







    New contributor




    Gwaihir is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.






















      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      i have this structure class:



      public class A {
      
   private list<B> b;
      
}
      

      
public class B {}
      
public class B1 extends B{}
      
public class B2 extends B{}


      At the controller:



      @RequestMapping("/A")
      
    public ModelAndView getA(){
      
       model.addObject("a", a);
      
    }


      This method return the list with all B1 and B2 to the view and all ok.



      But when i try submit the form:



      @PostMapping("/saveA")
      
public ModelAndView saveA(@ModelAttribute A a, BindingResult bindingResult)


      the specific values ​​of each class dont save.



      Is there any way to do this?






      spring hibernate spring-mvc polymorphism







      share|improve this question







      New contributor




      Gwaihir is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      i have this structure class:



      public class A {
      
   private list<B> b;
      
}
      

      
public class B {}
      
public class B1 extends B{}
      
public class B2 extends B{}


      At the controller:



      @RequestMapping("/A")
      
    public ModelAndView getA(){
      
       model.addObject("a", a);
      
    }


      This method return the list with all B1 and B2 to the view and all ok.



      But when i try submit the form:



      @PostMapping("/saveA")
      
public ModelAndView saveA(@ModelAttribute A a, BindingResult bindingResult)


      the specific values ​​of each class dont save.



      Is there any way to do this?






      spring hibernate spring-mvc polymorphism




      spring hibernate spring-mvc polymorphism






      share|improve this question







      New contributor




      Gwaihir is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question







      New contributor




      Gwaihir is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question






      New contributor




      Gwaihir is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      asked 2 days ago









      Gwaihir

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      New contributor




      Gwaihir is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.





      New contributor





      Gwaihir is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Gwaihir is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.





























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