public bool Release(int maxRetries = 3)
{
if (Domain == null) return true;
var retries = 0;
while (retries++ <= maxRetries)
{
try
{
Log.Info("Attempting to release application domain.");
if (Domain != null)
{
Log.InfoFormat("Domain Name: {0}", Domain.FriendlyName);
AppDomain.Unload(Domain);
}
Provider = null;
Domain = null;
Log.Info("Succeeded.");
return true;
}
catch (AppDomainUnloadedException appDomainUnloadedException)
{
Log.InfoFormat("Could not release domain. Retrying {0} out of {1}...", retries, maxRetries);
Log.Info("Exception: ", appDomainUnloadedException);
}
}
return false;
}
public void Load(string name, string path)
{
if (Provider != null && !Release())
{
const string message = "Could not release application domain. Service is stopping and needs a restart.";
Log.Fatal(message);
throw new Exception(message);
}
var pathToAssembly = ResolvePath(path);
if (String.IsNullOrEmpty(pathToAssembly))
throw new FileNotFoundException("Could not locate ServiceProvider assembly in given path.", path);
var domainSetup = new AppDomainSetup { PrivateBinPath = pathToAssembly };
Domain = AppDomain.CreateDomain("Domain_" + Guid.NewGuid(), null, domainSetup);
Provider = (ServiceProvider) Domain.CreateInstanceFromAndUnwrap(pathToAssembly, name);
Log.Info("Initialized application domain.");
Log.InfoFormat("Domain Name: {0}", Domain.FriendlyName);
}
