public void ShouldThrowExceptionWhenServiceTypeRequestedDoesntExist()
{
// arrange
StatsCheckerFactory factory = new StatsCheckerFactory();
ClientSetting setting = new ClientSetting
{
AssemblyName = "Rbi.Property.HealthMonitoring.Tests",
FullQualifiedServiceName = "Rbi.Property.HealthMonitoring.Tests.StatsCheckers.DummyType"
};
// act
Assert.Throws<Exception>(() => factory.CreateStatsCheckerInstance(setting));
}
public void ShouldCreateBasicHttpCheckerWhenItsTypeIsRequested()
{
// arrange
StatsCheckerFactory factory = new StatsCheckerFactory();
ClientSetting setting = new ClientSetting
{
AssemblyName = "Rbi.Property.HealthMonitoring",
FullQualifiedServiceName = "Rbi.Property.HealthMonitoring.StatsCheckers.BasicHttpStatsChecker"
};
// act
IChecker actual = factory.CreateStatsCheckerInstance(setting);
Assert.IsInstanceOf(typeof(BasicHttpStatsChecker), actual);
}
public Controller(ClientSetting clientSetting, IStatsCheckerFactory statsCheckerFactory, IOutputChannelFactory outputChannelFactory, IStatsTemplate template)
{
this.clientSetting = clientSetting;
// If enabled then start immedially
statsChecker = statsCheckerFactory.CreateStatsCheckerInstance(clientSetting);
statsOutputChannels = clientSetting.Outputs.Select(output => outputChannelFactory.CreateOutputChannelInstance(output, output, template)).ToArray();
timer = new Timer
{
Enabled = clientSetting.Enabled,
Interval = clientSetting.Ping.Interval
};
timer.Elapsed += (sender, e) => Ping(sender, e, clientSetting.Ping);
}
public IChecker CreateStatsCheckerInstance(ClientSetting setting)
{
Type[] allTypesInAssembly = Assembly.Load(setting.AssemblyName).GetTypes();
Type serviceInterface = typeof(IChecker);
Type serviceType = allTypesInAssembly.FirstOrDefault
(
typeInAssembly =>
typeInAssembly.FullName == setting.FullQualifiedServiceName &&
serviceInterface.IsAssignableFrom(typeInAssembly)
);
if (serviceType == null)
{
throw new Exception(string.Format("The service type {0} is either not found in given assembly or doesn't implement interface {1}", setting.FullQualifiedServiceName, serviceInterface));
}
return Activator.CreateInstance(serviceType) as IChecker;
}
public void Playground()
{
ClientSetting clientSetting = new ClientSetting
{
Enabled = true,
Name = "local api",
Ping = new PingSetting
{
Interval = 5000
}
};
Controller controller = new Controller(clientSetting, null, null, null);
controller.Start();
Thread.Sleep(Timeout.Infinite);
}