Hi,
I'm not entirely sure as I've never tried it with NHSearch, but I think you
can use the AR Interceptor factory for this;
something like:
InterceptorFactory.Create = delegate { return new SearchInterceptor(); };
Ernst
On Wed, Sep 24, 2008 at 8:31 PM, burkhard_m
<[EMAIL PROTECTED]>wrote:
>
> Hi,
>
> I'm trying to implement full-text search functionality with
> NHibernate.Search 1.2.1.4000, Lucene.NET 2.0.0.4 and
> Castle.ActiveRecord 1.0.3.0.
>
> The main problem is, that I have to register a SearchInterceptor in
> order to hook NHibernate.Search into NHibernate so that it can
> automatically maintain the search index.
> (Source:
> http://using.castleproject.org/display/AR/Using+NHibernate.Search+with+ActiveRecord
> )
>
> Well, most examples based on NHibernate suggest to open a new session
> with the SearchInterceptor attached:
>
> using (ISession session =
> Global.SessionFactory.OpenSession(new SearchInterceptor()))
> using (IFullTextSession fullTextSession =
> Search.CreateFullTextSession(session))
> using (NHibernate.ITransaction tx =
> session.BeginTransaction())
> { ... }
>
> But in ActiveRecord this is different. Using the code above creates a
> new session which is not linked to the SessionScope / TransactionScope
> of ActiveRecord. So any rollback fails or session timeouts may occur.
> Instead I would rather prefer to init the full-text session like this:
>
> using (var tx = new TransactionScope())
> {
> var factory =
>
> ActiveRecordMediator.GetSessionFactoryHolder().GetSessionFactory(typeof(Description));
> var session = tx.GetSession(factory);
> IFullTextSession fullTextSession =
> NHibernate.Search.Search.CreateFullTextSession(session);
>
> ...
> }
>
> Unfortunately the code above throws a HibernateException:
> "\r\nThe session interceptor was not a SearchInterceptor.\r\nIn order
> to use Full Text Query, you must open the session with a
> SearchInterceptor. Like this:\r\nsessionFactory.OpenSession(new
> SearchInterceptor());\r\n"
>
> Well, but that's not what I want, because the MSSQL Profiler tells me,
> that this call always leads to another db transaction and additional
> login.
> So I tried to figure out if there is any other solution ... and there
> is! NHibernate.Cfg.Configuration offers the SetInterceptor() method.
> Afterwards my intialization code looked like this:
>
> IConfigurationSource source =
> ActiveRecordSectionHandler.Instance;
> ActiveRecordStarter.Initialize(typeof(Description).Assembly,
> source);
>
> ISessionFactoryHolder holder =
> ActiveRecordMediator.GetSessionFactoryHolder();
> NHibernate.Cfg.Configuration configuration =
> holder.GetConfiguration(typeof(ActiveRecordBase));
>
> configuration.SetInterceptor(new SearchInterceptor()); // <-
> adds the interceptor
>
> SearchFactory.Initialize(configuration,
> holder.GetSessionFactory(typeof(Description)));
>
> But the code above still throws a HibernateException with the same
> error message as above.
> So how do I hook NHibernate.Search into ActiveRecord & NHibernate
> without using OpenSession?
> In my humble opinion, I have to access the Interceptor directly
> through ActiveRecord. But that didn't work out either, because the
> property is readonly. Of course I could use Reflection to access it,
> but I don't want to mess around with internal code.
> Do you have an idea?
>
> The activerecord documentation wasn't quite helpful, too:
>
> http://www.castleproject.org/activerecord/documentation/trunk/advanced/hooks.html
>
> By the way, here are my app settings:
>
> <activerecord isWeb="false">
> <config>
> <add key="hibernate.connection.driver_class"
> value="NHibernate.Driver.SqlClientDriver" />
> <add key="hibernate.dialect"
> value="NHibernate.Dialect.MsSql2000Dialect" />
> <add key="hibernate.connection.provider"
> value="NHibernate.Connection.DriverConnectionProvider" />
> <add key="hibernate.max_fetch_depth"
> value="3"></add>
> <add key="hibernate.connection.connection_string"
> value="ConnectionString = ${myConnectionString}" />
> <add key="hibernate.show_sql" value="true" />
> <add
> key="hibernate.search.default.directory_provider"
> value="NHibernate.Search.Storage.FSDirectoryProvider,
> NHibernate.Search" />
> <add key="hibernate.search.default.indexBase"
> value="Index"/>
> <add key="hibernate.search.analyzer"
> value="Lucene.Net.Analysis.Standard.StandardAnalyzer, Lucene.Net"/>
> </config>
> </activerecord>
> >
>
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