private static string GetConnectionString(DbProviderElement element)
{
String connStr = null;
if (String.IsNullOrEmpty(element.ConnectionStringName))
{
connStr = element.ConnectionString;
}
else
{
ConnectionStringSettings css = ConfigurationManager.ConnectionStrings[element.ConnectionStringName];
if (css != null)
{
connStr = css.ConnectionString;
}
}
return(connStr);
}
/// <summary>
/// Initializes EasyDbHelper.
/// </summary>
/// <param name="config">the <see cref="LX.EasyDb.Configuration.EasyDbConfiguration"/></param>
public static void Initialize(EasyDbConfiguration config)
{
if (config != null && config.Providers.Count > 0)
{
IConnectionFactory masterProvider = null;
List <IConnectionFactory> slaveProviders = new List <IConnectionFactory>();
DbProviderElement primaryProviderElement = config.MasterProvider;
if (null == primaryProviderElement)
{
throw new ConfigurationErrorsException("Master provider is not found.");
}
masterProvider = CreateConnectionFactory(primaryProviderElement);
if (masterProvider == null)
{
throw new ConfigurationErrorsException("Unable to load " + primaryProviderElement.Name);
}
// TODO slave mode
ConnectionFactory = masterProvider;
}
}
private static IConnectionFactory CreateConnectionFactory(DbProviderElement element)
{
return(ConnectionFactoryBuilder.NewBuilder(element.Provider, GetConnectionString(element), element.Name, element.Dialect).Build());
}