spring data mongodb changed strategy to read recursive generic properties












0














I'm using spring data with mongodb. I did an update of spring-data-commons from 1.12.10.RELEASE to 1.13.12.RELEASE.



Class that I own



@TypeAlias("C")
class C {
...
LinkedHashSet<B> trail;
}


Third party classes, not modifiable



class B extends A<B> {
String start;
String end;
...
}

class A<T extends A<T>> {
LinkedHashSet<T> inputs;
}


MongoDB sample:
Everything inside trail and inputs is of the same type object B. It doesn't contain _id nor _class



{
_id: ObjectId("..."),
_class: "C",
trail: [{
start,
end,
...
inputs: [{
start,
end,
...
inputs: [{
start,
end,
...
inputs: ...
}]
}]
}]
}


Behavior when using spring-data-commons 1.12.10.RELEASE:



C c = mongoTemplate.findById(id, C.class, "C")
c.trail.iterator.next().inputs -> contains objects of type B.


Behavior after updating to spring-data-commons 1.13.12.RELEASE



C c = mongoTemplate.findById(id, C.class, "C")
c.trail.iterator.next().inputs -> contains objects of type A (specific attributes of B were lost)


Question: how can I still use 1.13.12.RELEASE and restore the functionality of 1.12.10.RELEASE?










share|improve this question



























    0














    I'm using spring data with mongodb. I did an update of spring-data-commons from 1.12.10.RELEASE to 1.13.12.RELEASE.



    Class that I own



    @TypeAlias("C")
    class C {
    ...
    LinkedHashSet<B> trail;
    }


    Third party classes, not modifiable



    class B extends A<B> {
    String start;
    String end;
    ...
    }

    class A<T extends A<T>> {
    LinkedHashSet<T> inputs;
    }


    MongoDB sample:
    Everything inside trail and inputs is of the same type object B. It doesn't contain _id nor _class



    {
    _id: ObjectId("..."),
    _class: "C",
    trail: [{
    start,
    end,
    ...
    inputs: [{
    start,
    end,
    ...
    inputs: [{
    start,
    end,
    ...
    inputs: ...
    }]
    }]
    }]
    }


    Behavior when using spring-data-commons 1.12.10.RELEASE:



    C c = mongoTemplate.findById(id, C.class, "C")
    c.trail.iterator.next().inputs -> contains objects of type B.


    Behavior after updating to spring-data-commons 1.13.12.RELEASE



    C c = mongoTemplate.findById(id, C.class, "C")
    c.trail.iterator.next().inputs -> contains objects of type A (specific attributes of B were lost)


    Question: how can I still use 1.13.12.RELEASE and restore the functionality of 1.12.10.RELEASE?










    share|improve this question

























      0












      0








      0







      I'm using spring data with mongodb. I did an update of spring-data-commons from 1.12.10.RELEASE to 1.13.12.RELEASE.



      Class that I own



      @TypeAlias("C")
      class C {
      ...
      LinkedHashSet<B> trail;
      }


      Third party classes, not modifiable



      class B extends A<B> {
      String start;
      String end;
      ...
      }

      class A<T extends A<T>> {
      LinkedHashSet<T> inputs;
      }


      MongoDB sample:
      Everything inside trail and inputs is of the same type object B. It doesn't contain _id nor _class



      {
      _id: ObjectId("..."),
      _class: "C",
      trail: [{
      start,
      end,
      ...
      inputs: [{
      start,
      end,
      ...
      inputs: [{
      start,
      end,
      ...
      inputs: ...
      }]
      }]
      }]
      }


      Behavior when using spring-data-commons 1.12.10.RELEASE:



      C c = mongoTemplate.findById(id, C.class, "C")
      c.trail.iterator.next().inputs -> contains objects of type B.


      Behavior after updating to spring-data-commons 1.13.12.RELEASE



      C c = mongoTemplate.findById(id, C.class, "C")
      c.trail.iterator.next().inputs -> contains objects of type A (specific attributes of B were lost)


      Question: how can I still use 1.13.12.RELEASE and restore the functionality of 1.12.10.RELEASE?










      share|improve this question













      I'm using spring data with mongodb. I did an update of spring-data-commons from 1.12.10.RELEASE to 1.13.12.RELEASE.



      Class that I own



      @TypeAlias("C")
      class C {
      ...
      LinkedHashSet<B> trail;
      }


      Third party classes, not modifiable



      class B extends A<B> {
      String start;
      String end;
      ...
      }

      class A<T extends A<T>> {
      LinkedHashSet<T> inputs;
      }


      MongoDB sample:
      Everything inside trail and inputs is of the same type object B. It doesn't contain _id nor _class



      {
      _id: ObjectId("..."),
      _class: "C",
      trail: [{
      start,
      end,
      ...
      inputs: [{
      start,
      end,
      ...
      inputs: [{
      start,
      end,
      ...
      inputs: ...
      }]
      }]
      }]
      }


      Behavior when using spring-data-commons 1.12.10.RELEASE:



      C c = mongoTemplate.findById(id, C.class, "C")
      c.trail.iterator.next().inputs -> contains objects of type B.


      Behavior after updating to spring-data-commons 1.13.12.RELEASE



      C c = mongoTemplate.findById(id, C.class, "C")
      c.trail.iterator.next().inputs -> contains objects of type A (specific attributes of B were lost)


      Question: how can I still use 1.13.12.RELEASE and restore the functionality of 1.12.10.RELEASE?







      spring mongodb spring-data






      share|improve this question













      share|improve this question











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      share|improve this question










      asked Nov 20 at 22:49









      david

      346




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