Hi Philip,
Criteria cannot be used to filter the results of a full text query. In order
to filter a a full text query you need to define a filter:
var term = new Term("Engineer", "moi");
var filter = new QueryFilter(new TermQuery(term));
q.SetFilter(filter);
Simon
On Mon, Nov 30, 2009 at 4:49 PM, gadlor <[email protected]> wrote:
> Hello all,
>
> I wanted to check if anyone had tried using full text searches with
> NHibernate.Search in conjunction with ICriteria. I would like to
> restrict the set of results with ICriteria - rather than indexing all
> the properties of my objects.
>
> Here's what I'm attempting to do (I'm using ActiveRecord, btw):
>
> public static List<Thingy> GetThingyByDescription(string desc)
> {
> ISession session = ActiveRecordMediator.GetSessionFactoryHolder
> ().CreateSession(typeof(ActiveRecordBase));
> IFullTextSession searchSession =
> NHibernate.Search.Search.CreateFullTextSession(session);
> using (var transaction = searchSession.BeginTransaction())
> {
> List<Thingy> thingyList = new List<Thingy>();
>
> IFullTextQuery q = (IFullTextQuery)
> searchSession.CreateFullTextQuery<Thingy>("Description:" + desc);
> ICriteria thingyCriteria = searchSession.CreateCriteria
> (typeof(Thingy));
> thingyCriteria.Add(Expression.Eq("Engineer", "moi"));
> q.SetCriteriaQuery(thingyCriteria);
>
> var results = q.List<Thingy>(); *******
>
> foreach (Thingy t in results)
> {
> thingyList.Add(t);
> }
>
> return thingyList;
> }
> }
>
> I'm running into an issue, and I'm not precisely sure how to fix it.
>
> The call blows up with an exception at the line with all the
> asterisks:
>
> [TypeLoadException: Could not load type Thingy. Possible cause: no
> assembly name specified.]
> NHibernate.Util.ReflectHelper.TypeFromAssembly
> (AssemblyQualifiedTypeName name, Boolean throwOnError) +329
> NHibernate.Util.ReflectHelper.ClassForName(String name) +45
> NHibernate.Search.Query.FullTextQueryImpl.GetLoader(ISession
> session) +285
>
> If I comment out the SetCriteria call, the search does its thing with
> no problems. The assembly is obviously accessible from the regular
> full text query.
>
> Has anybody done something like this successfully? Any insight into
> the exception? I've taken a look at the source and am going to try
> building NHibernate.Search with debug symbols so I can take a look at
> the 'AssemblyQualifiedTypeName,' but if there's anyone with knowledge
> of this firsthand, you will likely save me many frustrating hours.
>
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>
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