[hibernate-issues] [Hibernate-JIRA] Commented: (HSEARCH-438) Support runtime polymorphism on associations (instead of defining the indexed properties based on the returned type)

[Sanne Grinovero (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-438?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=40249#action_40249 ] 

Sanne Grinovero commented on HSEARCH-438:
-----------------------------------------

hi, yes as you suggested on the forums the starting point for this code would be the DocumentBuilder implementations, in particular org.hibernate.search.engine.DocumentBuilderIndexedEntity. I'm not sure about package names on .Net, I hope you can find it. (how old is the .net implementation? still maintained current with all latest improvements from the Java version?)

The metadata (name of an instance variable) is now built by scanning the annotations on the type itself, which results and reading recursively on the types. so it's about static mapping. I guess the hard part is to find all extending types while this scanning happens, so to build instead a set of alternative mappings being used according to the runtime type, and then use this runtime type instead of the static type.



> Support runtime polymorphism on associations (instead of defining the indexed properties based on the returned type)
> --------------------------------------------------------------------------------------------------------------------
>
>                 Key: HSEARCH-438
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-438
>             Project: Hibernate Search
>          Issue Type: New Feature
>          Components: engine
>    Affects Versions: 3.1.1.GA
>         Environment: Jboss 4.2.3.GA
> Hibernate Core 3.2
> Hibernate Search 3.1.1.GA
>            Reporter: Ted Williams
>         Attachments: Classes.zip, Classes.zip
>
>
> When using @IndexedEmbedded on a set/list of parent/top classes the @Field annotations in the child classes are not picked up and indexed.
> @IndexedEmbedded(depth=100)
> @OneToMany(fetch = FetchType.LAZY, mappedBy = "top", cascade = CascadeType.ALL)
> public Set<Parent> getParents() {
>    return parents;
> }
> public class Child extends Parent {
> private String childName;	
> @Field(name = "childName", index=Index.TOKENIZED) // This field is not picked up!!!
> .
> .
> }

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