public virtual void DefaultReceiveCommand(ICommand <TAuthenticationToken> command, RouteManager routeManager, string framework)
{
Type commandType = command.GetType();
if (command.Frameworks != null && command.Frameworks.Contains(framework))
{
Logger.LogInfo("The provided command has already been processed in Azure.", string.Format("{0}\\DefaultReceiveCommand({1})", GetType().FullName, commandType.FullName));
return;
}
CorrelationIdHelper.SetCorrelationId(command.CorrelationId);
AuthenticationTokenHelper.SetAuthenticationToken(command.AuthenticationToken);
bool isRequired = BusHelper.IsEventRequired(commandType);
RouteHandlerDelegate commandHandler = routeManager.GetSingleHandler(command, isRequired);
// This check doesn't require an isRequired check as there will be an exception raised above and handled below.
if (commandHandler == null)
{
Logger.LogDebug(string.Format("The command handler for '{0}' is not required.", commandType.FullName));
return;
}
Action <IMessage> handler = commandHandler.Delegate;
handler(command);
}
/// <summary>
/// The default command handler that
/// check if the <see cref="ICommand{TAuthenticationToken}"/> has already been processed by this framework,
/// checks if the <see cref="ICommand{TAuthenticationToken}"/> is required,
/// finds the handler from the provided <paramref name="routeManager"/>.
/// </summary>
/// <param name="command">The <see cref="ICommand{TAuthenticationToken}"/> to process.</param>
/// <param name="routeManager">The <see cref="RouteManager"/> to get the <see cref="ICommandHandler{TAuthenticationToken,TCommand}"/> from.</param>
/// <param name="framework">The current framework.</param>
/// <returns>
/// True indicates the <paramref name="command"/> was successfully handled by a handler.
/// False indicates the <paramref name="command"/> wasn't handled, but didn't throw an error, so by convention, that means it was skipped.
/// Null indicates the command<paramref name="command"/> wasn't handled as it was already handled.
/// </returns>
public virtual bool?DefaultReceiveCommand(ICommand <TAuthenticationToken> command, RouteManager routeManager, string framework)
{
Type commandType = command.GetType();
if (command.Frameworks != null && command.Frameworks.Contains(framework))
{
// if this is the only framework in the list, then it's fine to handle as it's just pre-stamped, if there is more than one framework, then exit.
if (command.Frameworks.Count() != 1)
{
Logger.LogInfo("The provided command has already been processed in Azure.", string.Format("{0}\\DefaultReceiveCommand({1})", GetType().FullName, commandType.FullName));
return(null);
}
}
CorrelationIdHelper.SetCorrelationId(command.CorrelationId);
AuthenticationTokenHelper.SetAuthenticationToken(command.AuthenticationToken);
bool isRequired = BusHelper.IsEventRequired(commandType);
RouteHandlerDelegate commandHandler = routeManager.GetSingleHandler(command, isRequired);
// This check doesn't require an isRequired check as there will be an exception raised above and handled below.
if (commandHandler == null)
{
Logger.LogDebug(string.Format("The command handler for '{0}' is not required.", commandType.FullName));
return(false);
}
Action <IMessage> handler = commandHandler.Delegate;
handler(command);
return(true);
}
public void Send <TCommand>(TCommand command)
where TCommand : ICommand <TAuthenticationToken>
{
Type commandType = typeof(TCommand);
bool isRequired;
if (!ConfigurationManager.TryGetSetting(string.Format("{0}.IsRequired", commandType.FullName), out isRequired))
{
isRequired = true;
}
RouteHandlerDelegate commandHandler = Routes.GetSingleHandler(command, isRequired);
// This check doesn't require an isRequired check as there will be an exception raised above and handled below.
if (commandHandler == null)
{
Logger.LogDebug(string.Format("The command handler for '{0}' is not required.", commandType.FullName));
}
else
{
Type senderType = commandHandler.TargetedType == null
? typeof(IConcurrentAkkaCommandSender <>).MakeGenericType(typeof(TAuthenticationToken))
: typeof(IConcurrentAkkaCommandSender <,>).MakeGenericType(typeof(TAuthenticationToken), commandHandler.TargetedType);
var proxy = (IActorRef)ConcurrentEventBusProxy.Resolve(senderType, command.Id);
proxy.Tell(command);
}
command.Framework = FrameworkType.Akka;
CommandSender.Send(command);
}
public Route(string path, HttpRequestMethod method, RouteHandlerDelegate handler)
{
this.Path = path;
this.Method = method;
this.handler = handler;
createPathRegex();
}
public virtual void ReceiveCommand(ICommand <TAuthenticationToken> command)
{
Type commandType = command.GetType();
switch (command.Framework)
{
case FrameworkType.Akka:
Logger.LogInfo(string.Format("A command arrived of the type '{0}' but was marked as coming from the '{1}' framework, so it was dropped.", commandType.FullName, command.Framework));
return;
}
CorrelationIdHelper.SetCorrelationId(command.CorrelationId);
AuthenticationTokenHelper.SetAuthenticationToken(command.AuthenticationToken);
bool isRequired;
if (!ConfigurationManager.TryGetSetting(string.Format("{0}.IsRequired", commandType.FullName), out isRequired))
{
isRequired = true;
}
RouteHandlerDelegate commandHandler = Routes.GetSingleHandler(command, isRequired);
// This check doesn't require an isRequired check as there will be an exception raised above and handled below.
if (commandHandler == null)
{
Logger.LogDebug(string.Format("The command handler for '{0}' is not required.", commandType.FullName));
return;
}
Action <IMessage> handler = commandHandler.Delegate;
handler(command);
}
protected virtual bool PrepareAndValidateCommand <TCommand>(TCommand command, out RouteHandlerDelegate commandHandler)
where TCommand : ICommand <TAuthenticationToken>
{
Type commandType = command.GetType();
if (command.Frameworks != null && command.Frameworks.Contains("Akka"))
{
// if this is the only framework in the list, then it's fine to handle as it's just pre-stamped, if there is more than one framework, then exit.
if (command.Frameworks.Count() != 1)
{
Logger.LogInfo("The provided command has already been processed in Akka.", string.Format("{0}\\PrepareAndValidateEvent({1})", GetType().FullName, commandType.FullName));
commandHandler = null;
return(false);
}
}
ICommandValidator <TAuthenticationToken, TCommand> commandValidator = null;
try
{
commandValidator = DependencyResolver.Resolve <ICommandValidator <TAuthenticationToken, TCommand> >();
}
catch (Exception exception)
{
Logger.LogDebug("Locating an ICommandValidator failed.", string.Format("{0}\\Handle({1})", GetType().FullName, commandType.FullName), exception);
}
if (commandValidator != null && !commandValidator.IsCommandValid(command))
{
Logger.LogInfo("The provided command is not valid.", string.Format("{0}\\Handle({1})", GetType().FullName, commandType.FullName));
commandHandler = null;
return(false);
}
PrepareCommand(command);
bool isRequired = BusHelper.IsEventRequired(commandType);
commandHandler = Routes.GetSingleHandler(command, isRequired);
// This check doesn't require an isRequired check as there will be an exception raised above and handled below.
if (commandHandler == null)
{
Logger.LogDebug(string.Format("The command handler for '{0}' is not required.", commandType.FullName));
}
return(true);
}
public void AddRoute(string path, HttpRequestMethod method, RouteHandlerDelegate handler)
{
routes.Add(new Route(path, method, handler));
}
