From 80520206fcd4c8c85eb28b4800c42136365b164d Mon Sep 17 00:00:00 2001
From: Justin Clarke Casey
Date: Mon, 1 Dec 2008 18:42:14 +0000
Subject: * Unforunately it turns out not to be that simple.  Revert the rest
 of r7560 for now.

---
 OpenSim/Data/NHibernate/NHibernateAssetData.cs | 77 +++++++++++++++++++++++---
 1 file changed, 69 insertions(+), 8 deletions(-)

(limited to 'OpenSim/Data/NHibernate/NHibernateAssetData.cs')

diff --git a/OpenSim/Data/NHibernate/NHibernateAssetData.cs b/OpenSim/Data/NHibernate/NHibernateAssetData.cs
index 90d41e3..6ee527e 100644
--- a/OpenSim/Data/NHibernate/NHibernateAssetData.cs
+++ b/OpenSim/Data/NHibernate/NHibernateAssetData.cs
@@ -33,7 +33,10 @@ using System.Text.RegularExpressions;
 using OpenMetaverse;
 using log4net;
 using NHibernate;
+using NHibernate.Cfg;
+using NHibernate.Expression;
 using NHibernate.Mapping.Attributes;
+using NHibernate.Tool.hbm2ddl;
 using OpenSim.Framework;
 using Environment=NHibernate.Cfg.Environment;
 
@@ -46,7 +49,9 @@ namespace OpenSim.Data.NHibernate
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
-        private NHibernateManager manager;
+        private Configuration cfg;
+        private ISessionFactory factory;
+        private ISession session;
 
         override public void Dispose() { }
 
@@ -57,23 +62,79 @@ namespace OpenSim.Data.NHibernate
 
         public override void Initialise(string connect)
         {
+            // Split out the dialect, driver, and connect string
+            char[] split = {';'};
+            string[] parts = connect.Split(split, 3);
+            if (parts.Length != 3)
+            {
+                // TODO: make this a real exception type
+                throw new Exception("Malformed Inventory connection string '" + connect + "'");
+            }
+
+            string dialect = parts[0];
+
+            // NHibernate setup
+            cfg = new Configuration();
+            cfg.SetProperty(Environment.ConnectionProvider,
+                            "NHibernate.Connection.DriverConnectionProvider");
+            cfg.SetProperty(Environment.Dialect,
+                            "NHibernate.Dialect." + dialect);
+            cfg.SetProperty(Environment.ConnectionDriver,
+                            "NHibernate.Driver." + parts[1]);
+            cfg.SetProperty(Environment.ConnectionString, parts[2]);
+            cfg.AddAssembly("OpenSim.Data.NHibernate");
+
 
-            m_log.InfoFormat("[NHIBERNATE] Initializing NHibernateAssetData");
-            manager = new NHibernateManager(connect, "AssetStore");
+
+            HbmSerializer.Default.Validate = true;
+            using (MemoryStream stream =
+                   HbmSerializer.Default.Serialize(Assembly.GetExecutingAssembly()))
+                cfg.AddInputStream(stream);
+
+            factory  = cfg.BuildSessionFactory();
+            session = factory.OpenSession();
+
+            // This actually does the roll forward assembly stuff
+            Assembly assem = GetType().Assembly;
+            Migration m = new Migration((System.Data.Common.DbConnection)factory.ConnectionProvider.GetConnection(), assem, dialect, "AssetStore");
+            m.Update();
 
         }
 
         override public AssetBase FetchAsset(UUID uuid)
         {
-            return (AssetBase)manager.Load(typeof(AssetBase), uuid);
+            try
+            {
+                return session.Load(typeof(AssetBase), uuid) as AssetBase;
+            }
+            catch (ObjectNotFoundException)
+            {
+                m_log.ErrorFormat("[NHIBERNATE] no such asset {0}", uuid);
+                return null;
+            }
+            catch (Exception e)
+            {
+                m_log.Error("[NHIBERNATE] unexpected exception: ", e);
+                return null;
+            }
         }
 
         private void Save(AssetBase asset)
         {
-            AssetBase temp = (AssetBase)manager.Load(typeof(AssetBase), asset.FullID);
-            if (temp == null)
+            try
             {
-                manager.Save(asset);
+                // a is not used anywhere?
+                // AssetBase a = session.Load(typeof(AssetBase), asset.FullID) as AssetBase;
+                session.Load(typeof(AssetBase), asset.FullID);
+            }
+            catch (ObjectNotFoundException)
+            {
+                session.Save(asset);
+                session.Flush();
+            }
+            catch (Exception e)
+            {
+                m_log.Error("[NHIBERNATE] issue saving asset", e);
             }
         }
 
@@ -86,7 +147,7 @@ namespace OpenSim.Data.NHibernate
         override public void UpdateAsset(AssetBase asset)
         {
             m_log.InfoFormat("[NHIBERNATE] updating asset {0}", asset.FullID);
-            manager.Update(asset);
+            Save(asset);
         }
 
         // private void LogAssetLoad(AssetBase asset)
-- 
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