/// <summary>
/// Creates a Sink . Implementation of IServerChannelSink method
/// Gets invoked by .Net Framework
/// </summary>
/// <param name="channel"></param>
/// <returns></returns>
public IServerChannelSink CreateSink(IChannelReceiver channel)
{
BaseCustomSink customSinkObject = null;
bool keepCreatingInstance = false;
// try to instantiate the custom sink
// with a constructor that takes ServerSinkCreationData (or SinkCreationData)
object[] par = { new ServerSinkData(this.data, channel) };
try
{
customSinkObject = (BaseCustomSink)Activator.CreateInstance(this.customSinkType, par);
}
catch (MissingMethodException)
{
// do nothing - try to create using a parameterless constructor
keepCreatingInstance = true;
}
catch (Exception e)
{
ExamineConstructionException(e);
}
// if there is no constructor that takes ServerSinkCreationData or SinkCreationData,
// look for a parameterless constructor
if (keepCreatingInstance)
{
try
{
customSinkObject = (BaseCustomSink)Activator.CreateInstance(this.customSinkType);
}
catch (Exception e)
{
ExamineConstructionException(e);
}
}
// create next sink in the chain
IServerChannelSink next = this.Next.CreateSink(channel);
if (customSinkObject != null)
{
customSinkObject.SetNextSink(next);
return(customSinkObject);
}
else
{
return(next);
}
}
public IClientChannelSink CreateSink(IChannelSender channel, string url, object remoteChannelData)
{
BaseCustomSink customSinkObject = null;
bool keepCreatingInstance = false;
IClientChannelSink next = this.nextProvider.CreateSink(channel, url, remoteChannelData);
object[] par = { new ClientSinkData(this.data, channel, url, remoteChannelData) };
try
{
customSinkObject = (BaseCustomSink)Activator.CreateInstance(this.customSinkType, par);
}
catch (MissingMethodException)
{
// do nothing - try to create using a parameterless constructor
keepCreatingInstance = true;
}
catch (Exception e)
{
ExamineConstructionException(e);
}
if (keepCreatingInstance)
{
try
{
customSinkObject = (BaseCustomSink)Activator.CreateInstance(this.customSinkType);
}
catch (Exception e)
{
ExamineConstructionException(e);
}
}
if (customSinkObject != null)
{
customSinkObject.SetNextSink(next);
return(customSinkObject);
}
else
{
return(next);
}
}
