Hibernate Search: Define dynamically searchable classes

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The code below works fine, however I need to extend it to support from two classes (UserEnt and BookEnt) to 40 classes. To improve performance, I will allow the user to select the classes to search, meaning that the classes in the method createFullTextQuery should be declared dynamically depending on the selection. Is this possible? Otherwise I will have to declare the 40 classes in createFullTextQuery.

    // LUCENE SEARCH
    String[] fields = {"firstName", "lastName", "name"};
    QueryParser parser = new MultiFieldQueryParser( Version.LUCENE_34,
     fields, new StandardAnalyzer(Version.LUCENE_34)); 

    org.apache.lucene.search.Query luceneQuery = null; 
    try { 
     luceneQuery = parser.parse(s); 
    } 
    catch (ParseException e) { 
        throw new RuntimeException("Unable to parse query: " + s, e); 
    }

    // HIBERNATE SEARCH WRAP

    FullTextEntityManager ftEm = Search.getFullTextEntityManager(em); 
    javax.persistence.Query query = ftEm.createFullTextQuery(luceneQuery, 
                                            UserEnt.class, BookEnt.class);

    List <?> results = query.getResultList();

    System.out.println("Records found:"+results.size());

asked 3 mins ago

ps0604

133

Hibernate Search: Define dynamically searchable classes