void Just_Convert_Sanity()
{
Maybe <int> i1 = Maybe.Just(5);
Maybe <int> i2 = Maybe.Just(0);
Maybe <string> s1 = Maybe.Just("s1");
Maybe <string> s2 = Maybe.Just("s2");
Assert.Equal("success", i1.Convert((just) => "success", () => "fail"));
Assert.Equal("success", i2.Convert((just) => "success", () => "fail"));
Assert.Equal("success", s1.Convert((just) => "success", () => "fail"));
Assert.Equal("success", s2.Convert((just) => "success", () => "fail"));
Assert.Equal("success", i1.Convert((just) => "success", "fail"));
Assert.Equal("success", i2.Convert((just) => "success", "fail"));
Assert.Equal("success", s1.Convert((just) => "success", "fail"));
Assert.Equal("success", s2.Convert((just) => "success", "fail"));
Assert.Equal("5success", i1.Convert((just) => $"{just}success", () => "fail"));
Assert.Equal("0success", i2.Convert((just) => $"{just}success", () => "fail"));
Assert.Equal("s1success", s1.Convert((just) => $"{just}success", () => "fail"));
Assert.Equal("s2success", s2.Convert((just) => $"{just}success", () => "fail"));
Assert.Equal("5success", i1.Convert((just) => $"{just}success", "fail"));
Assert.Equal("0success", i2.Convert((just) => $"{just}success", "fail"));
Assert.Equal("s1success", s1.Convert((just) => $"{just}success", "fail"));
Assert.Equal("s2success", s2.Convert((just) => $"{just}success", "fail"));
}
public void Convert()
{
Assert.AreEqual(new Maybe <string>("10"), Maybe10.Convert(i => i.ToString()));
Assert.AreEqual(Maybe <string> .Empty, MaybeEmpty.Convert(i => i.ToString()));
Assert.AreEqual("10", Maybe10.Convert(i => i.ToString(), () => "none"));
Assert.AreEqual("none", MaybeEmpty.Convert(i => i.ToString(), () => "none"));
Assert.AreEqual("10", Maybe10.Convert(i => i.ToString(), "none"));
Assert.AreEqual("none", MaybeEmpty.Convert(i => i.ToString(), "none"));
}
void Nothing_Convert_Sanity()
{
Maybe <int> nI = Nothing <int> .Instance;
Maybe <string> nS = Nothing <string> .Instance;
Maybe <object> nO = Nothing <object> .Instance;
Assert.Equal("success", nI.Convert((just) => "fail", () => "success"));
Assert.Equal("success", nS.Convert((just) => "fail", () => "success"));
Assert.Equal("success", nO.Convert((just) => "fail", () => "success"));
Assert.Equal("success", nI.Convert((just) => "fail", "success"));
Assert.Equal("success", nS.Convert((just) => "fail", "success"));
Assert.Equal("success", nO.Convert((just) => "fail", "success"));
}
public static Maybe <IReportNode> ParseMaybe(this IReportParser parser, Maybe <TextParser> p) => p?parser.Parse(p.Value) : p.Convert <IReportNode>();
protected Maybe <IReportNode> Error <T>(Maybe <T> p) => p.Convert <IReportNode>();
public static IEnumerable <T> ToEnumerable <T>(this Maybe <T> maybe) => maybe.Convert(One, Enumerable.Empty <T>);
/// <summary>
/// Run the hosted runtime, blocking the calling thread.
/// </summary>
/// <returns>True if the worker stopped as planned (e.g. due to updated assemblies)</returns>
public bool Run(Maybe<ICloudConfigurationSettings> externalRoleConfiguration)
{
_stoppedWaitHandle.Reset();
// Runtime IoC Setup
var runtimeBuilder = new ContainerBuilder();
runtimeBuilder.RegisterModule(new CloudModule());
runtimeBuilder.RegisterModule(externalRoleConfiguration.Convert(s => new CloudConfigurationModule(s), () => new CloudConfigurationModule()));
runtimeBuilder.RegisterType<Runtime>().InstancePerDependency();
// Run
using (var runtimeContainer = runtimeBuilder.Build())
{
var log = runtimeContainer.Resolve<ILog>();
AppDomain.CurrentDomain.UnhandledException += (sender, e) => log.ErrorFormat(
e.ExceptionObject as Exception,
"Runtime Host: An unhandled {0} exception occurred on worker {1} in a background thread. The Runtime Host will be restarted: {2}.",
e.ExceptionObject.GetType().Name, CloudEnvironment.PartitionKey, e.IsTerminating);
_runtime = null;
try
{
_runtime = runtimeContainer.Resolve<Runtime>();
_runtime.RuntimeContainer = runtimeContainer;
// runtime endlessly keeps pinging queues for pending work
_runtime.Execute();
log.DebugFormat("Runtime Host: Runtime has stopped cleanly on worker {0}.",
CloudEnvironment.PartitionKey);
}
catch (TypeLoadException typeLoadException)
{
log.ErrorFormat(typeLoadException, "Runtime Host: Type {0} could not be loaded. The Runtime Host will be restarted.",
typeLoadException.TypeName);
}
catch (FileLoadException fileLoadException)
{
// Tentatively: referenced assembly is missing
log.Fatal(fileLoadException, "Runtime Host: Could not load assembly probably due to a missing reference assembly. The Runtime Host will be restarted.");
}
catch (SecurityException securityException)
{
// Tentatively: assembly cannot be loaded due to security config
log.FatalFormat(securityException, "Runtime Host: Could not load assembly {0} probably due to security configuration. The Runtime Host will be restarted.",
securityException.FailedAssemblyInfo);
}
catch (TriggerRestartException)
{
log.DebugFormat("Runtime Host: Triggered to stop execution on worker {0}. The Role Instance will be recycled and the Runtime Host restarted.",
CloudEnvironment.PartitionKey);
return true;
}
catch (ThreadAbortException)
{
Thread.ResetAbort();
log.DebugFormat("Runtime Host: execution was aborted on worker {0}. The Runtime is stopping.", CloudEnvironment.PartitionKey);
}
catch (Exception ex)
{
// Generic exception
log.ErrorFormat(ex, "Runtime Host: An unhandled {0} exception occurred on worker {1}. The Runtime Host will be restarted.",
ex.GetType().Name, CloudEnvironment.PartitionKey);
}
finally
{
_stoppedWaitHandle.Set();
_runtime = null;
}
return false;
}
}
