//TODO GetDbProviderClasses
private static void InitializeDbProviderFactoryIfNeeded()
{
if (ctx == null)
{
lock (typeof(DbProviderFactory))
{
if (ctx == null)
{
try
{
ConfigurableResourceLoader loader = new ConfigurableResourceLoader(DBPROVIDER_ADDITIONAL_RESOURCE_NAME);
if (loader.GetResource(DBPROVIDER_ADDITIONAL_RESOURCE_NAME).Exists)
{
if (log.IsDebugEnabled)
{
log.Debug("Loading additional DbProviders from " + DBPROVIDER_ADDITIONAL_RESOURCE_NAME);
}
ctx = new XmlApplicationContext(DBPROVIDER_CONTEXTNAME, true, new string[] { DBPROVIDER_DEFAULT_RESOURCE_NAME,
DBPROVIDER_ADDITIONAL_RESOURCE_NAME });
}
else
{
ctx = new XmlApplicationContext(DBPROVIDER_CONTEXTNAME, true, new string[] { DBPROVIDER_DEFAULT_RESOURCE_NAME });
}
if (log.IsInfoEnabled)
{
var dbProviderNames = ctx.GetObjectNames <IDbProvider>();
log.Info(
$"{dbProviderNames.Count} DbProviders Available. [{StringUtils.CollectionToCommaDelimitedString(dbProviderNames)}]");
}
}
catch (Exception e)
{
log.Error("Error processing " + DBPROVIDER_DEFAULT_RESOURCE_NAME, e);
throw;
}
}
}
}
}