public static SyncProcessDelegate NullMiddlewareMethod(SyncProcessDelegate next)
{
SyncProcessDelegate retval;
Console.WriteLine("{1} (before GetMiddlewareChain): '{0}'", nameof(NullProcessor), nameof(NullMiddlewareMethod));
retval = SyncProcessorClosure.GetMiddlewareChain(NullProcessorMethod, next);
Console.WriteLine("{1} (after GetMiddlewareChain): '{0}'", nameof(NullProcessor), nameof(NullMiddlewareMethod));
return(retval);
}
public SyncProcessDelegate Build()
{
SyncProcessDelegate process = (context, configuration, channel) => channel; // simply return original channel unmodified
foreach (Func <SyncProcessDelegate, SyncProcessDelegate> component in this.Components.Reverse())
{
process = component(process);
}
return(process);
}
private SyncProcessorClosure(SyncProcessToNextDelegate processToNext, SyncProcessDelegate next)
{
if ((object)processToNext == null)
{
throw new ArgumentNullException(nameof(processToNext));
}
if ((object)next == null)
{
throw new ArgumentNullException(nameof(next));
}
this.processToNext = processToNext;
this.next = next;
}
protected abstract ISyncChannel ProcessInternal(ISyncContext context, RecordConfiguration configuration, ISyncChannel channel, SyncProcessDelegate next);
public ISyncChannel Process(ISyncContext context, RecordConfiguration configuration, ISyncChannel channel, SyncProcessDelegate next)
{
ISyncChannel newChannel;
if ((object)context == null)
{
throw new ArgumentNullException(nameof(context));
}
if ((object)configuration == null)
{
throw new ArgumentNullException(nameof(configuration));
}
if ((object)channel == null)
{
throw new ArgumentNullException(nameof(channel));
}
newChannel = this.ProcessInternal(context, configuration, channel, next);
return(newChannel);
}
private static ISyncChannel NullProcessorMethod(ISyncContext context, RecordConfiguration configuration, ISyncChannel channel, SyncProcessDelegate next)
{
ISyncChannel newChannel;
if ((object)context == null)
{
throw new ArgumentNullException(nameof(context));
}
if ((object)configuration == null)
{
throw new ArgumentNullException(nameof(configuration));
}
if ((object)channel == null)
{
throw new ArgumentNullException(nameof(channel));
}
Console.WriteLine("{1} (before next) processor: '{0}'", nameof(NullProcessor), nameof(NullProcessorMethod));
if ((object)next != null)
{
newChannel = next(context, configuration, channel);
}
else
{
newChannel = channel;
}
Console.WriteLine("{1} (after next) processor: '{0}'", nameof(NullProcessor), nameof(NullProcessorMethod));
return(newChannel);
}
public static SyncProcessDelegate GetMiddlewareChain(SyncProcessToNextDelegate processToNext, SyncProcessDelegate next)
{
if ((object)processToNext == null)
{
throw new ArgumentNullException(nameof(processToNext));
}
if ((object)next == null)
{
throw new ArgumentNullException(nameof(next));
}
return(new SyncProcessorClosure(processToNext, next).Transform);
}
