static RenderPipeline()
{
// add the default inbuilt commands
Type type = typeof(IPipelineCommand);
IEnumerable <Type> types = typeof(RenderPipeline).Assembly.GetTypes().Where(p => type.IsAssignableFrom(p) && p != type);
foreach (Type t in types)
{
object[] attributes = t.GetCustomAttributes(typeof(PipelineCommandAttribute), false);
string name;
if (attributes.Length == 0)
{
// if no PipelineCommandAttribute set the command name to the class name with Command removed from the end.
name = t.Name;
if (name.EndsWith("Command"))
{
name = name.Substring(0, name.Length - 7);
}
}
else
{
name = ((PipelineCommandAttribute)attributes[0]).Name;
}
if (_commandMap.ContainsKey(name))
{
throw new ApplicationException(string.Format("Attempted to add command with duplicate name: {0}", name));
}
IPipelineCommand command = Activator.CreateInstance(t) as IPipelineCommand;
_commandMap[name] = command;
}
}
/// <summary>
/// Add a pipeline command getting its command name from a PipelineCommandAttribute, or its name with Command removed from the end.
/// </summary>
/// <param name="command"></param>
public static void AddCommand(IPipelineCommand command)
{
object[] attributes = command.GetType().GetCustomAttributes(typeof(PipelineCommandAttribute), false);
string name;
if (attributes.Length == 0)
{
// if no PipelineCommandAttribute set the command name to the class name with Command removed from the end.
name = command.GetType().Name;
if (name.EndsWith("Command"))
{
name = name.Substring(0, name.Length - 7);
}
}
else
{
name = ((PipelineCommandAttribute)attributes[0]).Name;
}
if (_commandMap.ContainsKey(name))
{
throw new ApplicationException(string.Format("Attempted to add command with duplicate name: {0}", name));
}
_commandMap[name] = command;
}
public static void AddCommand(string name, IPipelineCommand command)
{
_commandMap[name] = command;
}
/// <summary>
/// Event call from Worker Process, sends ReponseEventArgs to ResponseCallbackDelegate on callee.
/// </summary>
/// <param name="command"> The IPipelineCommand.</param>
private void RequestCallback(IPipelineCommand command)
{
ScriptingResponseArgs args = new ScriptingResponseArgs();
args.Context = ((ScriptingHttpState)command.HttpStateData).HttpRequestResponseContext;
if ( args.Context.Request.WebResponse.ErrorMessage.Length == 0 )
{
// Saves Cookies
_cookieManager.AddCookies(command.HttpResponseData.CookieCollection);
}
// Return response in a event
ScriptingRequestClientResult(this, args);
}
/// <summary>
/// Callback method that returns the IPipelineCommand from WorkerProcess and dynamically invokes the delegate associated with the state.
/// </summary>
/// <param name="command"> The IPipelineCommand.</param>
private void WorkerProcess_PipelineCommandResultEvent(IPipelineCommand command)
{
Delegate method = command.CallbackMethod;
object[] a = {command};
try
{
method.DynamicInvoke(a);
}
catch ( Exception ex)
{
ExceptionHandler.RegisterException(ex);
}
}
/// <summary>
/// Event call from Worker Process, sends ReponseEventArgs to ResponseCallbackDelegate on callee.
/// </summary>
/// <param name="command"> The IPipelineCommand.</param>
private void PipelineCallback(IPipelineCommand command)
{
ResponseEventArgs args = new ResponseEventArgs();
args.Response = command.HttpResponseData;
args.State = command.HttpStateData;
if ( command.ErrorMessage.Length == 0 )
{
// Saves cookies
_cookieManager.AddCookies(command.HttpResponseData.CookieCollection);
}
// return response in a event
EndHttp(this, args);
}
public static IPipelineCommand <TContext, TResult> ContinueWith <TContext, TResult>(this IPipelineCommand <TContext, TResult> command,
IPipelineCommand <TContext, TResult> next)
{
command.Next = next;
return(next);
}
