private ConfigurationCache ReadConfiguration(string hash)
{
if (!UserFolder.FileExists(UserFolder.DataModelFile))
{
return(null);
}
try
{
var formatter = new BinaryFormatter();
using (var stream = UserFolder.OpenFile(UserFolder.DataModelFile))
{
// if the stream is empty, stop here
if (stream.Length == 0)
{
return(null);
}
var oldHash = (string)formatter.Deserialize(stream);
if (hash != oldHash)
{
Logger.Information("The cached NHibernate configuration is out of date. A new one will be re-generated.");
return(null);
}
var oldConfig = (Cfg)formatter.Deserialize(stream);
return(new ConfigurationCache
{
Hash = oldHash,
Configuration = oldConfig
});
}
}
catch (Exception e)
{
for (var scan = e; scan != null; scan = scan.InnerException)
{
Logger.Warning("Error reading the cached NHibernate configuration: {0}", scan.Message);
}
Logger.Information("A new one will be re-generated.");
return(null);
}
}
