public IEnumerable <IDataflowMessage <TOut> > TransformMany(IDataflowMessage <TIn> item)
{
try
{
if (item.IsBroken)
{
// Kind of unexpected, as those guys should usually be filtered
return(new List <IDataflowMessage <TOut> >
{
new BrokenDataflowMessage <TOut>(null, item.Data)
});
}
var result = m_Decorated.TransformMany(item.Data).Select(c => new DefaultDataflowMessage <TOut>(c).WithTitle(Title));
return(result);
}
catch (DataflowNetworkRecoverableErrorException recoverableError)
{
return(new List <IDataflowMessage <TOut> >
{
new BrokenDataflowMessage <TOut>(recoverableError, item.Data)
});
}
catch (DataflowNetworkUnrecoverableErrorException unrecoverableError)
{
// bring the network down.
m_LogAgent.LogFatal(DataflowNetworkConstituent.TransformMany, Title, unrecoverableError);
m_Cancel.CancelNetwork();
return(new List <IDataflowMessage <TOut> >
{
new BrokenDataflowMessage <TOut>(unrecoverableError, item.Data)
});
}
}
