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 Post subject: Hibernate Search & Lucene & multiple related entities
PostPosted: Wed Sep 14, 2016 7:26 am 
Newbie

Joined: Wed Sep 14, 2016 7:13 am
Posts: 1
I have 3 entities like:

Code:
    User                    Group              Permission
    id                      id                 id
    name                    ...                name
    ...                     User               ...
    Set<Group> groups       Permission         Set<Group> groups

I want to search for User entites but with the name of a Permission entity (i.e. if the user types a name of a Permission then all the users should be enlisted that have that Permission via the Group entity)

I have a solution how to connect 2 entities (using indexEmbedded and containedIn) but no clue what to do when there are 3 entities. I did something like:

Code:
      indexedMapping
      .property("groups", ElementType.METHOD)
      .indexEmbedded()
      .prefix("group.")
      .depth(2)
      .targetElement(Group.class);

      super.entity(Group.class)
      .property("name", ElementType.FIELD)
      .field()
      .property("user", ElementType.FIELD)
      .containedIn()

      .property("permission", ElementType.METHOD)
      .indexEmbedded()
      .depth(1)
      .prefix("permission.")
      .targetElement(Permission.class);

      super.entity(Permission.class)
      //      .property("name", ElementType.METHOD)
      //      .containedIn()
      .property("name", ElementType.FIELD)
      .field()
      .store(Store.YES)   ;


I want to change the index if the Persmission name is changed. I wanted to put the containedIn on the name but it is not an entity but there isn't entity in Permission only Set<Profile>. Well I tried to put the containedIn there but I got a NullPointerException.
Could somebody help please?

Thanks, V.


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