Exemplo n.º 1
0
		public SessionFactoryImpl(Configuration cfg, IMapping mapping, Settings settings, EventListeners listeners)
		{
			Init();
			log.Info("building session factory");

			properties = cfg.Properties;
			interceptor = cfg.Interceptor;
			this.settings = settings;
			sqlFunctionRegistry = new SQLFunctionRegistry(settings.Dialect, cfg.SqlFunctions);
			eventListeners = listeners;

			if (log.IsDebugEnabled)
			{
				log.Debug("instantiating session factory with properties: "
				          + CollectionPrinter.ToString(properties));
			}

			settings.CacheProvider.Start(properties);

			// Generators:
			identifierGenerators = new Hashtable();
			foreach (PersistentClass model in cfg.ClassMappings)
			{
				if (!model.IsInherited)
				{
					IIdentifierGenerator generator =
						model.Identifier.CreateIdentifierGenerator(settings.Dialect, settings.DefaultCatalogName,
						                                           settings.DefaultSchemaName, (RootClass) model);

					identifierGenerators[model.MappedClass] = generator;
				}
			}


			// Persisters:

			IDictionary caches = new Hashtable();
			classPersisters = new Hashtable();
			classPersistersByName = new Hashtable();
			IDictionary classMeta = new Hashtable();

			foreach (PersistentClass model in cfg.ClassMappings)
			{
				string cacheRegion = model.RootClazz.CacheRegionName;
				ICacheConcurrencyStrategy cache = (ICacheConcurrencyStrategy) caches[cacheRegion];
				if (cache == null)
				{
					cache =
						CacheFactory.CreateCache(model.CacheConcurrencyStrategy, cacheRegion, model.IsMutable, settings, properties);
					if (cache != null)
					{
						caches.Add(cacheRegion, cache);
						allCacheRegions.Add(cache.RegionName, cache.Cache);
					}
				}
				IEntityPersister cp = PersisterFactory.CreateClassPersister(model, cache, this, mapping);
				classPersisters[model.MappedClass] = cp;

				// Adds the "Namespace.ClassName" (FullClassname) as a lookup to get to the Persiter.
				// Most of the internals of NHibernate use this method to get to the Persister since
				// Model.Name is used in so many places.  It would be nice to fix it up to be Model.TypeName
				// instead of just FullClassname
				classPersistersByName[model.EntityName] = cp;

				// Add in the AssemblyQualifiedName (includes version) as a lookup to get to the Persister.  
				// In HQL the Imports are used to get from the Classname to the Persister.  The
				// Imports provide the ability to jump from the Classname to the AssemblyQualifiedName.
				classPersistersByName[model.MappedClass.AssemblyQualifiedName] = cp;

				classMeta[model.MappedClass] = cp.ClassMetadata;
			}
			classMetadata = new Hashtable(classMeta);
			IDictionary tmpEntityToCollectionRoleMap= new Hashtable();
			collectionPersisters = new Hashtable();
			foreach (Mapping.Collection map in cfg.CollectionMappings)
			{
				ICacheConcurrencyStrategy cache =
					CacheFactory.CreateCache(map.CacheConcurrencyStrategy, map.CacheRegionName, map.Owner.IsMutable, settings,
					                         properties);
				if (cache != null)
					allCacheRegions[cache.RegionName] = cache.Cache;

				collectionPersisters[map.Role] =
					PersisterFactory.CreateCollectionPersister(cfg, map, cache, this).CollectionMetadata;
				ICollectionPersister persister = collectionPersisters[map.Role] as ICollectionPersister;
				IType indexType = persister.IndexType;
				if (indexType != null && indexType.IsAssociationType && !indexType.IsAnyType)
				{
					string entityName = ((IAssociationType)indexType).GetAssociatedEntityName(this);
					ISet roles = tmpEntityToCollectionRoleMap[entityName] as ISet;
					if (roles == null)
					{
						roles = new HashedSet();
						tmpEntityToCollectionRoleMap[entityName] = roles;
					}
					roles.Add(persister.Role);
				}
				IType elementType = persister.ElementType;
				if (elementType.IsAssociationType && !elementType.IsAnyType)
				{
					string entityName = ((IAssociationType)elementType).GetAssociatedEntityName(this);
					ISet roles = tmpEntityToCollectionRoleMap[entityName] as ISet;
					if (roles == null)
					{
						roles = new HashedSet();
						tmpEntityToCollectionRoleMap[entityName] = roles;
					}
					roles.Add(persister.Role);
				}
			}
			collectionMetadata = new Hashtable(collectionPersisters);
			collectionRolesByEntityParticipant = new Hashtable(tmpEntityToCollectionRoleMap);
			//TODO:
			// For databinding:
			//templates = XMLDatabinder.GetOutputStyleSheetTemplates( properties );


			// serialization info
			name = settings.SessionFactoryName;
			try
			{
				uuid = (string) UuidGenerator.Generate(null, null);
			}
			catch (Exception)
			{
				throw new AssertionFailure("could not generate UUID");
			}

			SessionFactoryObjectFactory.AddInstance(uuid, name, this, properties);

			// Named queries:
			// TODO: precompile and cache named queries

			namedQueries = new Dictionary<string, NamedQueryDefinition>(cfg.NamedQueries);
			namedSqlQueries = new Dictionary<string, NamedSQLQueryDefinition>(cfg.NamedSQLQueries);
			sqlResultSetMappings = new Dictionary<string, ResultSetMappingDefinition>(cfg.SqlResultSetMappings);
			filters = new Dictionary<string, FilterDefinition>(cfg.FilterDefinitions);

			imports = new Dictionary<string, string>(cfg.Imports);

			// after *all* persisters and named queries are registered
			foreach (IEntityPersister persister in classPersisters.Values)
			{
				persister.PostInstantiate();
			}

			foreach (ICollectionPersister persister in collectionPersisters.Values)
			{
				persister.PostInstantiate();
			}

			log.Debug("Instantiated session factory");

			if (settings.IsAutoCreateSchema)
			{
				new SchemaExport(cfg).Create(false, true);
			}

			/*
			if ( settings.IsAutoUpdateSchema )
			{
				new SchemaUpdate( cfg ).Execute( false, true );
			}
			*/

			if (settings.IsAutoDropSchema)
			{
				schemaExport = new SchemaExport(cfg);
			}

			// Obtaining TransactionManager - not ported from H2.1

			currentSessionContext = BuildCurrentSessionContext();

			if (settings.IsQueryCacheEnabled)
			{
				updateTimestampsCache = new UpdateTimestampsCache(settings, properties);
				queryCache = settings.QueryCacheFactory
					.GetQueryCache(null, updateTimestampsCache, settings, properties);
				queryCaches = Hashtable.Synchronized(new Hashtable());
			}
			else
			{
				updateTimestampsCache = null;
				queryCache = null;
				queryCaches = null;
			}

			//checking for named queries
			if (settings.IsNamedQueryStartupCheckingEnabled)
			{
				IDictionary<string, HibernateException> errors = CheckNamedQueries();
				if (errors.Count > 0)
				{
					StringBuilder failingQueries = new StringBuilder("Errors in named queries: ");
					foreach (KeyValuePair<string, HibernateException> pair in errors)
					{
						failingQueries.Append('{').Append(pair.Key).Append('}');
						log.Error("Error in named query: " + pair.Key, pair.Value);
					}
					throw new HibernateException(failingQueries.ToString());
				}
			}

			Statistics.IsStatisticsEnabled = settings.IsStatisticsEnabled;

			// EntityNotFoundDelegate
			IEntityNotFoundDelegate enfd = cfg.EntityNotFoundDelegate;
			if (enfd == null)
			{
				enfd = new DefaultEntityNotFoundDelegate();
			}
			entityNotFoundDelegate = enfd;
		}
Exemplo n.º 2
0
		public SessionFactoryImpl(Configuration cfg, IMapping mapping, Settings settings, EventListeners listeners)
		{
			Init();
			log.Info("building session factory");

			properties = new Dictionary<string, string>(cfg.Properties);
			interceptor = cfg.Interceptor;
			this.settings = settings;
			sqlFunctionRegistry = new SQLFunctionRegistry(settings.Dialect, cfg.SqlFunctions);
			eventListeners = listeners;
			filters = new Dictionary<string, FilterDefinition>(cfg.FilterDefinitions);
			if (log.IsDebugEnabled)
			{
				log.Debug("Session factory constructed with filter configurations : " + CollectionPrinter.ToString(filters));
			}

			if (log.IsDebugEnabled)
			{
				log.Debug("instantiating session factory with properties: " + CollectionPrinter.ToString(properties));
			}

			try
			{
				if (settings.IsKeywordsImportEnabled)
				{
					SchemaMetadataUpdater.Update(this);
				}
				if (settings.IsAutoQuoteEnabled)
				{
					SchemaMetadataUpdater.QuoteTableAndColumns(cfg);
				}
			}
			catch (NotSupportedException)
			{
				// Ignore if the Dialect does not provide DataBaseSchema 
			}

			#region Caches
			settings.CacheProvider.Start(properties);
			#endregion

			#region Generators
			identifierGenerators = new Dictionary<string, IIdentifierGenerator>();
			foreach (PersistentClass model in cfg.ClassMappings)
			{
				if (!model.IsInherited)
				{
					IIdentifierGenerator generator =
						model.Identifier.CreateIdentifierGenerator(settings.Dialect, settings.DefaultCatalogName,
						                                           settings.DefaultSchemaName, (RootClass) model);

					identifierGenerators[model.EntityName] = generator;
				}
			}
			#endregion

			#region Persisters

			Dictionary<string, ICacheConcurrencyStrategy> caches = new Dictionary<string, ICacheConcurrencyStrategy>();
			entityPersisters = new Dictionary<string, IEntityPersister>();
			implementorToEntityName = new Dictionary<System.Type, string>();

			Dictionary<string, IClassMetadata> classMeta = new Dictionary<string, IClassMetadata>();

			foreach (PersistentClass model in cfg.ClassMappings)
			{
				model.PrepareTemporaryTables(mapping, settings.Dialect);
				string cacheRegion = model.RootClazz.CacheRegionName;
				ICacheConcurrencyStrategy cache;
				if (!caches.TryGetValue(cacheRegion, out cache))
				{
					cache =
						CacheFactory.CreateCache(model.CacheConcurrencyStrategy, cacheRegion, model.IsMutable, settings, properties);
					if (cache != null)
					{
						caches.Add(cacheRegion, cache);
						allCacheRegions.Add(cache.RegionName, cache.Cache);
					}
				}
				IEntityPersister cp = PersisterFactory.CreateClassPersister(model, cache, this, mapping);
				entityPersisters[model.EntityName] = cp;
				classMeta[model.EntityName] = cp.ClassMetadata;

				if (model.HasPocoRepresentation)
				{
					implementorToEntityName[model.MappedClass] = model.EntityName;
				}
			}
			classMetadata = new UnmodifiableDictionary<string, IClassMetadata>(classMeta);

			Dictionary<string, ISet<string>> tmpEntityToCollectionRoleMap = new Dictionary<string, ISet<string>>();
			collectionPersisters = new Dictionary<string, ICollectionPersister>();
			foreach (Mapping.Collection model in cfg.CollectionMappings)
			{
				ICacheConcurrencyStrategy cache =
					CacheFactory.CreateCache(model.CacheConcurrencyStrategy, model.CacheRegionName, model.Owner.IsMutable, settings,
					                         properties);
				if (cache != null)
				{
					allCacheRegions[cache.RegionName] = cache.Cache;
				}
				ICollectionPersister persister = PersisterFactory.CreateCollectionPersister(cfg, model, cache, this);
				collectionPersisters[model.Role] = persister;
				IType indexType = persister.IndexType;
				if (indexType != null && indexType.IsAssociationType && !indexType.IsAnyType)
				{
					string entityName = ((IAssociationType) indexType).GetAssociatedEntityName(this);
					ISet<string> roles;
					if (!tmpEntityToCollectionRoleMap.TryGetValue(entityName, out roles))
					{
						roles = new HashedSet<string>();
						tmpEntityToCollectionRoleMap[entityName] = roles;
					}
					roles.Add(persister.Role);
				}
				IType elementType = persister.ElementType;
				if (elementType.IsAssociationType && !elementType.IsAnyType)
				{
					string entityName = ((IAssociationType) elementType).GetAssociatedEntityName(this);
					ISet<string> roles;
					if (!tmpEntityToCollectionRoleMap.TryGetValue(entityName, out roles))
					{
						roles = new HashedSet<string>();
						tmpEntityToCollectionRoleMap[entityName] = roles;
					}
					roles.Add(persister.Role);
				}
			}
			Dictionary<string, ICollectionMetadata> tmpcollectionMetadata = new Dictionary<string, ICollectionMetadata>(collectionPersisters.Count);
			foreach (KeyValuePair<string, ICollectionPersister> collectionPersister in collectionPersisters)
			{
				tmpcollectionMetadata.Add(collectionPersister.Key, collectionPersister.Value.CollectionMetadata);
			}
			collectionMetadata = new UnmodifiableDictionary<string, ICollectionMetadata>(tmpcollectionMetadata);
			collectionRolesByEntityParticipant = new UnmodifiableDictionary<string, ISet<string>>(tmpEntityToCollectionRoleMap);
			#endregion

			#region Named Queries
			namedQueries = new Dictionary<string, NamedQueryDefinition>(cfg.NamedQueries);
			namedSqlQueries = new Dictionary<string, NamedSQLQueryDefinition>(cfg.NamedSQLQueries);
			sqlResultSetMappings = new Dictionary<string, ResultSetMappingDefinition>(cfg.SqlResultSetMappings);
			#endregion

			imports = new Dictionary<string, string>(cfg.Imports);

			#region after *all* persisters and named queries are registered
			foreach (IEntityPersister persister in entityPersisters.Values)
			{
				persister.PostInstantiate();
			}
			foreach (ICollectionPersister persister in collectionPersisters.Values)
			{
				persister.PostInstantiate();
			}
			#endregion

			#region Serialization info

			name = settings.SessionFactoryName;
			try
			{
				uuid = (string) UuidGenerator.Generate(null, null);
			}
			catch (Exception)
			{
				throw new AssertionFailure("Could not generate UUID");
			}

			SessionFactoryObjectFactory.AddInstance(uuid, name, this, properties);

			#endregion

			log.Debug("Instantiated session factory");

			#region Schema management
			if (settings.IsAutoCreateSchema)
			{
				new SchemaExport(cfg).Create(false, true);
			}

			if ( settings.IsAutoUpdateSchema )
			{
				new SchemaUpdate(cfg).Execute(false, true);
			}
			if (settings.IsAutoValidateSchema)
			{
				 new SchemaValidator(cfg, settings).Validate();
			}
			if (settings.IsAutoDropSchema)
			{
				schemaExport = new SchemaExport(cfg);
			}
			#endregion

			#region Obtaining TransactionManager
			// not ported yet
			#endregion

			currentSessionContext = BuildCurrentSessionContext();

			if (settings.IsQueryCacheEnabled)
			{
				updateTimestampsCache = new UpdateTimestampsCache(settings, properties);
				queryCache = settings.QueryCacheFactory.GetQueryCache(null, updateTimestampsCache, settings, properties);
				queryCaches = new ThreadSafeDictionary<string, IQueryCache>(new Dictionary<string, IQueryCache>());
			}
			else
			{
				updateTimestampsCache = null;
				queryCache = null;
				queryCaches = null;
			}

			#region Checking for named queries
			if (settings.IsNamedQueryStartupCheckingEnabled)
			{
				IDictionary<string, HibernateException> errors = CheckNamedQueries();
				if (errors.Count > 0)
				{
					StringBuilder failingQueries = new StringBuilder("Errors in named queries: ");
					foreach (KeyValuePair<string, HibernateException> pair in errors)
					{
						failingQueries.Append('{').Append(pair.Key).Append('}');
						log.Error("Error in named query: " + pair.Key, pair.Value);
					}
					throw new HibernateException(failingQueries.ToString());
				}
			}
			#endregion

			Statistics.IsStatisticsEnabled = settings.IsStatisticsEnabled;

			// EntityNotFoundDelegate
			IEntityNotFoundDelegate enfd = cfg.EntityNotFoundDelegate;
			if (enfd == null)
			{
				enfd = new DefaultEntityNotFoundDelegate();
			}
			entityNotFoundDelegate = enfd;
		}
Exemplo n.º 3
0
		/// <summary>
		/// Clear the internal state of the <see cref="Configuration"/> object.
		/// </summary>
		private void Reset()
		{
			classes = new Dictionary<string, PersistentClass>(); //new SequencedHashMap(); - to make NH-369 bug deterministic
			imports = new Dictionary<string, string>();
			collections = new Dictionary<string, NHibernate.Mapping.Collection>();
			tables = new Dictionary<string, Table>();
			namedQueries = new Dictionary<string, NamedQueryDefinition>();
			namedSqlQueries = new Dictionary<string, NamedSQLQueryDefinition>();
			sqlResultSetMappings = new Dictionary<string, ResultSetMappingDefinition>();
			secondPasses = new List<SecondPassCommand>();
			propertyReferences = new List<Mappings.PropertyReference>();
			filterDefinitions = new Dictionary<string, FilterDefinition>();
			interceptor = emptyInterceptor;
			properties = Environment.Properties;
			auxiliaryDatabaseObjects = new List<IAuxiliaryDatabaseObject>();
			sqlFunctions = new Dictionary<string, ISQLFunction>();
			mappingsQueue = new MappingsQueue();
			eventListeners = new EventListeners();
			typeDefs = new Dictionary<string, TypeDef>();
			extendsQueue = new HashedSet<ExtendsQueueEntry>();
			tableNameBinding = new Dictionary<string, Mappings.TableDescription>();
			columnNameBindingPerTable = new Dictionary<Table, Mappings.ColumnNames>();
		}