/// <summary> /// It is used to stop all service started by SIMINOV. /// When application shutdown they should call this. It do following services: /// /// <list type="bullet"> /// <item> /// <description>Close all database's opened by SIMINOV.</description> /// </item> /// <item> /// <description>Deallocate all resources held by SIMINOV.</description> /// </item> /// </list> /// </summary> public static void Shutdown() { IsActive(); IEnumerator <DatabaseDescriptor> databaseDescriptors = coreResourceManager.GetDatabaseDescriptors(); bool failed = false; while (databaseDescriptors.MoveNext()) { DatabaseDescriptor databaseDescriptor = databaseDescriptors.Current; DatabaseBundle databaseBundle = coreResourceManager.GetDatabaseBundle(databaseDescriptor.GetDatabaseName()); IDatabaseImpl database = databaseBundle.GetDatabase(); try { database.Close(databaseDescriptor); } catch (DatabaseException databaseException) { failed = true; Log.Log.Error(typeof(Siminov).FullName, "Shutdown", "DatabaseException caught while closing database, " + databaseException.GetMessage()); continue; } } if (failed) { throw new SiminovCriticalException(typeof(Siminov).FullName, "Shutdown", "DatabaseException caught while closing database."); } ISiminovEvents coreEventHandler = coreResourceManager.GetSiminovEventHandler(); if (coreResourceManager.GetSiminovEventHandler() != null) { coreEventHandler.OnSiminovStopped(); } }
/// <summary> /// It process all DatabaseDescriptor.xml and initialize Database and stores in Resource Manager. /// </summary> protected static void ProcessDatabase() { ApplicationDescriptor applicationDescriptor = coreResourceManager.GetApplicationDescriptor(); IEnumerator <DatabaseDescriptor> databaseDescriptors = applicationDescriptor.GetDatabaseDescriptors(); while (databaseDescriptors.MoveNext()) { DatabaseDescriptor databaseDescriptor = databaseDescriptors.Current; String databasePath = new DatabaseUtils().GetDatabasePath(databaseDescriptor); DatabaseBundle databaseBundle = null; try { databaseBundle = DatabaseHelper.CreateDatabase(databaseDescriptor); } catch (DatabaseException databaseException) { Log.Log.Error(typeof(Siminov).FullName, "ProcessDatabase", "DatabaseException caught while getting database instance from database factory, DATABASE-DESCRIPTOR: " + databaseDescriptor.GetDatabaseName() + ", " + databaseException.GetMessage()); throw new DeploymentException(typeof(Siminov).FullName, "ProcessDatabase", databaseException.GetMessage()); } IDatabaseImpl database = databaseBundle.GetDatabase(); IQueryBuilder queryBuilder = databaseBundle.GetQueryBuilder(); /* * If Database exists then open and return. * If Database does not exists create the database. */ String databaseName = databaseDescriptor.GetDatabaseName(); if (!databaseName.EndsWith(".db")) { databaseName = databaseName + ".db"; } bool fileExists = FileUtils.DoesFileExists(databasePath, databaseName, FileUtils.LOCAL_FOLDER); if (fileExists) { /* * Open Database */ try { database.OpenOrCreate(databaseDescriptor); } catch (DatabaseException databaseException) { Log.Log.Error(typeof(Siminov).FullName, "ProcessDatabase", "DatabaseException caught while opening database, " + databaseException.GetMessage()); throw new DeploymentException(typeof(Siminov).FullName, "ProcessDatabase", databaseException.GetMessage()); } /* * Enable Foreign Key Constraints */ try { database.ExecuteQuery(databaseDescriptor, null, Constants.SQLITE_DATABASE_QUERY_TO_ENABLE_FOREIGN_KEYS_MAPPING); } catch (DatabaseException databaseException) { FileUtils.DeleteFile(databasePath, databaseDescriptor.GetDatabaseName(), FileUtils.LOCAL_FOLDER); Log.Log.Error(typeof(Siminov).FullName, "ProcessDatabase", "DatabaseException caught while executing query to enable foreign keys, " + databaseException.GetMessage()); throw new DeploymentException(typeof(Siminov).FullName, "ProcessDatabase", databaseException.GetMessage()); } /* * Safe MultiThread Transaction */ /*try * { * database.ExecuteMethod(Constants.SQLITE_DATABASE_ENABLE_LOCKING, databaseDescriptor.IsTransactionSafe()); * } * catch (DatabaseException databaseException) * { * FileUtils.DoesFileExists(databasePath, databaseDescriptor.GetDatabaseName(), FileUtils.LOCAL_FOLDER); * * Log.Log.Error(typeof(Siminov).FullName, "ProcessDatabase", "DatabaseException caught while enabling locking on database, " + databaseException.GetMessage()); * throw new DeploymentException(typeof(Siminov).FullName, "ProcessDatabase", databaseException.GetMessage()); * }*/ /* * Upgrade Database */ try { DatabaseHelper.UpgradeDatabase(databaseDescriptor); } catch (DatabaseException databaseException) { Log.Log.Error(typeof(Siminov).FullName, "ProcessDatabase", "DatabaseException caught while upgrading database, " + databaseException.GetMessage()); throw new DeploymentException(typeof(Siminov).FullName, "ProcessDatabase", databaseException.GetMessage()); } } else { /* * Create Database Directory */ try { FileUtils.GetFolder(databasePath, FileUtils.LOCAL_FOLDER); } catch (System.Exception exception) { Log.Log.Error(typeof(Siminov).FullName, "ProcessDatabase", "Exception caught while creating database directories, DATABASE-PATH: " + databasePath + ", DATABASE-DESCRIPTOR: " + databaseDescriptor.GetDatabaseName() + ", " + exception.Message); throw new DeploymentException(typeof(Siminov).FullName, "ProcessDatabase", exception.Message); } /* * Create Database File. */ try { database.OpenOrCreate(databaseDescriptor); } catch (DatabaseException databaseException) { FileUtils.DeleteFile(databasePath, databaseDescriptor.GetDatabaseName(), FileUtils.LOCAL_FOLDER); Log.Log.Error(typeof(Siminov).FullName, "ProcessDatabase", "DatabaseException caught while creating database, " + databaseException.GetMessage()); throw new DeploymentException(typeof(Siminov).FullName, "ProcessDatabase", databaseException.GetMessage()); } /* * Set Database Version */ IDictionary <String, Object> parameters = new Dictionary <String, Object>(); parameters.Add(IQueryBuilder.FORM_UPDATE_DATABASE_VERSION_QUERY_DATABASE_VERSION_PARAMETER, databaseDescriptor.GetVersion()); try { String updateDatabaseVersionQuery = queryBuilder.FormUpdateDatabaseVersionQuery(parameters); database.ExecuteQuery(databaseDescriptor, null, updateDatabaseVersionQuery); } catch (DatabaseException databaseException) { Log.Log.Error(typeof(Siminov).FullName, "ProcessDatabase", "Database Exception caught while updating database version, " + databaseException.GetMessage()); throw new DeploymentException(typeof(Siminov).FullName, "ProcessDatabase", databaseException.GetMessage()); } IDatabaseEvents databaseEventHandler = coreResourceManager.GetDatabaseEventHandler(); if (databaseEventHandler != null) { databaseEventHandler.OnDatabaseCreated(databaseDescriptor); } /* * Enable Foreign Key Constraints */ try { database.ExecuteQuery(databaseDescriptor, null, Constants.SQLITE_DATABASE_QUERY_TO_ENABLE_FOREIGN_KEYS_MAPPING); } catch (DatabaseException databaseException) { FileUtils.DeleteFile(databasePath, databaseDescriptor.GetDatabaseName(), FileUtils.LOCAL_FOLDER); Log.Log.Error(typeof(Siminov).FullName, "ProcessDatabase", "DatabaseException caught while executing query to enable foreign keys, " + databaseException.GetMessage()); throw new DeploymentException(typeof(Siminov).FullName, "ProcessDatabase", databaseException.GetMessage()); } /* * Safe MultiThread Transaction */ /*try * { * database.ExecuteMethod(Constants.SQLITE_DATABASE_ENABLE_LOCKING, databaseDescriptor.IsTransactionSafe()); * } * catch (DatabaseException databaseException) * { * FileUtils.DeleteFile(databasePath, databaseDescriptor.GetDatabaseName(), FileUtils.LOCAL_FOLDER); * * Log.Log.Error(typeof(Siminov).FullName, "ProcessDatabase", "DatabaseException caught while enabling locking on database, " + databaseException.GetMessage()); * throw new DeploymentException(typeof(Siminov).FullName, "ProcessDatabase", databaseException.GetMessage()); * }*/ /* * Create Tables */ try { DatabaseHelper.CreateTables(databaseDescriptor.OrderedEntityDescriptors()); } catch (DatabaseException databaseException) { FileUtils.DeleteFile(databasePath, databaseDescriptor.GetDatabaseName(), FileUtils.LOCAL_FOLDER); Log.Log.Error(typeof(Siminov).FullName, "ProcessDatabase", "DatabaseException caught while creating tables, " + databaseException.GetMessage()); throw new DeploymentException(typeof(Siminov).FullName, "ProcessDatabase", databaseException.GetMessage()); } } } }