/// <summary>
/// Start a Shell and register its settings in RunningShellTable
/// </summary>
private void ActivateShell(ShellContext context)
{
Logger.Debug("Activating context for tenant {0}", context.Settings.Name);
context.Shell.Activate();
_shellContexts = (_shellContexts ?? Enumerable.Empty <ShellContext>()).Union(new [] { context });
_runningShellTable.Add(context.Settings);
}
/// <summary>
/// Starts a Shell and registers its settings in RunningShellTable
/// </summary>
private void ActivateShell(ShellContext context)
{
Logger.Debug("Activating context for tenant {0}", context.Settings.Name);
context.Shell.Activate();
_shellContexts = (_shellContexts ?? Enumerable.Empty <ShellContext>())
.Where(c => c.Settings.Name != context.Settings.Name)
.Concat(new[] { context })
.ToArray();
_runningShellTable.Add(context.Settings);
}
/// <summary>
/// Starts a Shell and registers its settings in RunningShellTable
/// </summary>
private void ActivateShell(ShellContext context)
{
Logger.Debug("Activating shell context");
context.Shell.Activate();
lock (_shellContextsWriteLock)
{
_shellContexts = (_shellContexts ?? Enumerable.Empty <ShellContext>())
.Where(c => c.Settings.Name != context.Settings.Name)
.Concat(new[] { context })
.ToArray();
}
_runningShellTable.Add(context.Settings);
}
public StandaloneEnvironmentWorkContextScopeWrapper(IWorkContextScope workContextScope, ShellContext shellContext)
{
_workContextScope = workContextScope;
_shellContext = shellContext;
}
void CreateAndActivateShells()
{
Logger.Information("Start creation of shells");
// Is there any tenant right now?
var allSettings = _shellSettingsManager.LoadSettings()
.Where(settings => settings.State == TenantState.Running || settings.State == TenantState.Uninitialized || settings.State == TenantState.Initializing)
.ToArray();
// Load all tenants, and activate their shell.
if (allSettings.Any())
{
Parallel.ForEach(allSettings, settings => {
_processingEngine.Initialize();
ShellContext context = null;
for (var i = 0; i <= Retries; i++)
{
// Not the first attempt, wait for a while ...
if (DelayRetries && i > 0)
{
// Wait for i^2 which means 1, 2, 4, 8 ... seconds
Thread.Sleep(TimeSpan.FromSeconds(Math.Pow(i, 2)));
}
try {
context = CreateShellContext(settings);
ActivateShell(context);
// If everything went well, break the retry loop
break;
}
catch (Exception ex) {
if (i == Retries)
{
Logger.Fatal("A tenant could not be started: {0} after {1} retries.", settings.Name, Retries);
return;
}
else
{
Logger.Error(ex, "A tenant could not be started: " + settings.Name + " Attempt number: " + i);
}
}
}
if (_processingEngine.AreTasksPending())
{
context.Shell.Sweep.Terminate();
while (_processingEngine.AreTasksPending())
{
Logger.Debug("Processing pending task after activate Shell");
_processingEngine.ExecuteNextTask();
}
context.Shell.Sweep.Activate();
}
});
}
// No settings, run the Setup.
else
{
var setupContext = CreateSetupContext();
ActivateShell(setupContext);
}
Logger.Information("Done creating shells");
}