public DatabaseConnectionFactory GetConnectionFactory(string databaseName)
{
// check if we already have a reference
var factory = _connectionFactories.Get(databaseName);
if (factory != null) {
return factory;
}
var config = _mapDatabaseRef.Get(databaseName);
if (config == null) {
throw new DatabaseConfigException(
"Cannot locate configuration information for database '" + databaseName + '\'');
}
var settings = config.ConnectionSettings;
if (config.ConnectionFactoryDesc is DriverConnectionFactoryDesc dbConfig) {
factory = new DatabaseDriverConnFactory(_container, dbConfig, settings);
}
else if (config.ConnectionFactoryDesc == null) {
throw new DatabaseConfigException("No connection factory setting provided in configuration");
}
else {
throw new DatabaseConfigException("Unknown connection factory setting provided in configuration");
}
_connectionFactories.Put(databaseName, factory);
return factory;
}
private void TryAndCloseConnection(ConnectionFactoryDesc connectionFactoryDesc)
{
var config = new ConfigurationCommonDBRef {
ConnectionFactoryDesc = connectionFactoryDesc
};
var connectionFactory = new DatabaseDriverConnFactory(
container,
(DriverConnectionFactoryDesc)config.ConnectionFactoryDesc,
config.ConnectionSettings);
var connection = connectionFactory.Driver.CreateConnection();
TryAndCloseConnection(connection);
}
