public async Task <IMessageSink> GetMessageSinkAsync()
{
if (this.MessageSink == DefaultMessageSinkProvider.NullMessageSink)
{
var gettingProgramName = this.ProgramNameProvider.GetProgramNameAsync();
var gettingMessagesOutputDirectoryPath = this.ProgramStartTimeSpecificMessagesOutputDirectoryPathProvider.GetProgramStartTimeSpecificMessagesOutputDirectoryPathAsync();
await Task.WhenAll(gettingProgramName, gettingMessagesOutputDirectoryPath);
var fileName = this.FileNameOperator.GetFileName(gettingProgramName.Result, Constants.OutputFileExtension);
var messagesOutputFilePath = this.StringlyTypedPathOperator.Combine(gettingMessagesOutputDirectoryPath.Result, fileName);
this.MessageSink = CompositeMessageSink.NewDefault(this.MessageFormatter, this.StringlyTypedPathOperator, messagesOutputFilePath);
}
return(this.MessageSink);
}
