public DataProvider Initialize()
{
using (LogGroup logGroup = LogGroup.StartDebug("Initializing data provider"))
{
if (StateAccess.IsInitialized && Config.IsInitialized
&& !DataAccess.IsInitialized
&& !isInitialized)
{
try
{
//Get the feature's configuration info
DataProviderConfiguration qc =
(DataProviderConfiguration)ConfigurationManager.GetSection("DataProvider");
if (qc.DefaultProvider == null || qc.Providers == null || qc.Providers.Count < 1)
throw new ProviderException("You must specify a valid default provider.");
//Instantiate the providers
providerCollection = new DataProviderCollection();
ProvidersHelper.InstantiateProviders(qc.Providers, providerCollection, typeof(DataProvider));
providerCollection.SetReadOnly();
defaultProvider = providerCollection[qc.DefaultProvider];
if (defaultProvider == null)
{
throw new ConfigurationErrorsException(
"You must specify a default provider for the feature.",
qc.ElementInformation.Properties["defaultProvider"].Source,
qc.ElementInformation.Properties["defaultProvider"].LineNumber);
}
string dataDirectoryPath = HttpContext.Current.Server.MapPath(HttpContext.Current.Request.ApplicationPath) + Path.DirectorySeparatorChar + "App_Data";
defaultProvider.Exporter.ExportDirectoryPath = dataDirectoryPath + Path.DirectorySeparatorChar + "Exported";
defaultProvider.Importer.ImportableDirectoryPath = dataDirectoryPath + Path.DirectorySeparatorChar + "Legacy";
defaultProvider.Importer.ImportedDirectoryPath = dataDirectoryPath + Path.DirectorySeparatorChar + "Imported";
defaultProvider.Schema.SchemaCommandDirectoryPath = dataDirectoryPath + Path.DirectorySeparatorChar + "Schema";
}
catch (Exception ex)
{
LogWriter.Error(ex.ToString());
initializationException = ex;
isInitialized = true;
throw ex;
}
isInitialized = true; //error-free initialization
}
}
return defaultProvider;
}
public void CopyTo(DataProvider[] array, int index)
{
base.CopyTo(array, index);
}