/// <summary>
/// Called only be the main Program. The public static getter for <see cref="Instance"/>
/// requires that this method has been called before.
/// </summary>
/// <param name="configuration"></param>
public static void Configure(DataFactoryConfiguration configuration)
{
DataFactory.logger = configuration.Logger;
lazySessionFactory = new Lazy <ISessionFactory>(() =>
{
var factory = FluentNHibernate.Cfg.Fluently.Configure()
.Database(DatabaseTypeWithConnectionStringToConfigurer(configuration))
.ExposeConfiguration(config =>
{
config.SetInterceptor(new SqlStatementInterceptor());
var update = new NHibernate.Tool.hbm2ddl.SchemaUpdate(config);
update.Execute(scripts =>
{
logger.LogTrace(scripts);
}, doUpdate: true);
if (update.Exceptions.Count > 0)
{
foreach (var ex in update.Exceptions)
{
logger.LogError(ex, $"{ex.Message}\nStacktrace:\n{ex.StackTrace}");
}
throw new AggregateException("Cannot create/update the DB schema.", update.Exceptions);
}
})
.Mappings(mappings =>
{
mappings.FluentMappings
.AddFromAssemblyOf <DataFactory>()
.Conventions.Add(typeof(IndexedConvention))
.Conventions.Add(typeof(ForeignKeyConvention));
})
.BuildSessionFactory();
return(factory);
});
}
/// <summary>
/// Returns the correct type of <see cref="IPersistenceConfigurer"/> for the selected
/// database-type.
/// </summary>
/// <param name="configuration"></param>
/// <param name="tempDirectory"></param>
/// <returns></returns>
private static IPersistenceConfigurer DatabaseTypeWithConnectionStringToConfigurer(DataFactoryConfiguration configuration)
{
if (configuration.DatabaseType == DatabaseType.SQLiteTemp)
{
var pathToFile = $"{Path.Combine(configuration.TempDirectory ?? Path.GetTempPath(), Path.GetRandomFileName())}.sqlite";
logger.LogWarning("Using temporary SQLite file: {0}", pathToFile);
return(SQLiteConfiguration.Standard.UsingFile(pathToFile));
}
var connString = configuration.DatabaseConnectionString;
if (String.IsNullOrEmpty(connString) || String.IsNullOrWhiteSpace(connString))
{
throw new ArgumentException("Configuration's database connection string not valid.");
}
switch (configuration.DatabaseType)
{
case DatabaseType.MsSQL2000:
return(MsSqlConfiguration.MsSql2000.ConnectionString(connString));
case DatabaseType.MsSQL2005:
return(MsSqlConfiguration.MsSql2005.ConnectionString(connString));
case DatabaseType.MsSQL2008:
return(MsSqlConfiguration.MsSql2008.ConnectionString(connString));
case DatabaseType.MsSQL2012:
return(MsSqlConfiguration.MsSql2012.ConnectionString(connString));
case DatabaseType.MySQL:
return(MySQLConfiguration.Standard.ConnectionString(connString));
case DatabaseType.Oracle9:
return(OracleDataClientConfiguration.Oracle9.ConnectionString(connString));
case DatabaseType.Oracle10:
return(OracleDataClientConfiguration.Oracle10.ConnectionString(connString));
case DatabaseType.PgSQL81:
return(PostgreSQLConfiguration.PostgreSQL81.ConnectionString(connString));
case DatabaseType.PgSQL82:
return(PostgreSQLConfiguration.PostgreSQL82.ConnectionString(connString));
case DatabaseType.SQLite:
return(SQLiteConfiguration.Standard.ConnectionString(connString));
default:
throw new NotSupportedException(
String.Format("Database-type {0} is not currently supported.", configuration.DatabaseType.ToString()));
}
}
