FieldSelector support for Querydsl lucene

[Lassi Immonen]

Lucene allows to pass FieldSelector class that can be used to select which fields are actually loaded from the disk. This needs to be passed as argument to Searcher.doc(int, FieldSelector).

[Timo Westkämper (timo-westkamper)]

Maybe this could be supported via a parameter to the projection method :

  query.list(FieldSelector)

Additionally this could also be supported via a list of fields to be loaded as Querydsl expressions :

  query.list(prop1, prop2, prop3);

The second approach would support only the LOAD and NO_LOAD options

[Lassi Immonen (lassi-immonen)]

I think the first version is anyway needed, the second could be nice option.

[Timo Westkämper (timo-westkamper)]

Support has been added :

    /**
     * Set the given FieldSelector to the query
     *
     * @param fieldSelector
     * @return
     */
    public Q load(FieldSelector fieldSelector);

    /**
     * Load only the fields of the given paths
     *
     * @param paths
     * @return
     */
    @SuppressWarnings("unchecked")
    public Q load(Path<?>... paths);

[Timo Westkämper (timo-westkamper)]

Released in 2.2.0-beta3