public static Factory Config(IConfigurationProvider provider, Func<string, IDbConnection> connectionConstructor)
{
// set the conguration information
var config = provider.Create();
Current._configuration = config;
// load the dispatcher type for intialization
var dispatcherName = config.Dispatcher;
var dispatcherType = Type
.GetType(config.Dispatchers.Where(dsp => dsp.Name == dispatcherName).First().Type)
.MakeGenericType(typeof(DataSharding));
// load the policies and the related database connection strings
foreach (var policy in config.Policies)
{
var dispatcherKey = policy.Version;
var databases = policy.Nodes.Split(';')
.Select((node) =>
config.Databases
.Where(db => db.Name == node)
.FirstOrDefault())
.ToList();
Current._dispachers.Add(dispatcherKey, CreateDispatcher(dispatcherType, databases));
}
// load the currently version provider
var versionProviderName = config.VersionProvider;
var versionProviderType = Type
.GetType(config.VersionProviders.Where(vp => vp.Name == versionProviderName).First().Type);
Current._versionProvider = Activator.CreateInstance(versionProviderType) as IVersionProvider;
Current._versionProvider.CurrentVersion = config.Version;
// set the other properties
Current._retries = config.Retries;
Current._connectionConstructor = connectionConstructor;
// return the singleton instance
return Current;
}
public IAppConfiguration Load()
{
const string configFileName = Default.Config.FileName;
IAppConfiguration appConfiguration;
var result = _configurationProvider.Load(configFileName, out appConfiguration);
if (result.DoesExist == false || result.ReadError == true)
{
result = _configurationProvider.Create(configFileName, out appConfiguration);
}
if (result.DidFail)
{
throw result.Exception;
}
return(appConfiguration);
}
