private static void Main(string[] args)
{
string path;
while ((path = CaptureFeedPath(args)) == null)
{
}
const char delimiter = ',';
var stopwatch = new Stopwatch();
stopwatch.Start();
var parser = new DelimiterSeparatedFieldParser(delimiter);
TriangleDimensions largestTriangle;
using( var inputFileReader = new StreamReader(path) )
{
var collector = new ErrorCollector();
WriteProgress("Processing file (this may take some time)...");
var columnReader = new ColumnReader(inputFileReader, parser);
var dimensionReader = new Reader<TriangleFeedYearExtract>(columnReader, collector);
var largestTriangleCalculator = new LargestTriangleCalculator(dimensionReader.Read);
largestTriangle = largestTriangleCalculator.Calculate();
ReportAndQuitIfErrors(collector, path, "triangle_dimension_calculation_errors.txt");
}
using( var inputFileReader = new StreamReader(path) )
{
var collector = new ErrorCollector();
using( var outputFileWriter = new StreamWriter(BuildPathFromInputPath(path, "output.csv")) )
{
var columnReader = new ColumnReader(inputFileReader, parser);
var paymentRecordReader = new Reader<TriangleFeedFullDataExtract>(columnReader, collector);
var triangleBuilder = new TriangleBuilder(paymentRecordReader, collector);
Func<ClaimTriangle, string[]> triangleConverter = triangle => triangle.Accumulate().Flatten(largestTriangle);
var header = string.Format("{0}, {1}", largestTriangle.OriginYear, largestTriangle.DevelopmentYears);
var writer = new ColumnWriter<ClaimTriangle>(triangleBuilder.BuildNext, triangleConverter, header, outputFileWriter, delimiter);
writer.Write();
}
ReportAndQuitIfErrors(collector, path, "payment_record_errors.txt");
}
stopwatch.Stop();
WriteProgress("Processing took: {0}", stopwatch.Elapsed);
System.Console.WriteLine("Press any key to quit...");
System.Console.ReadKey();
}
private static void ReportAndQuitIfErrors(ErrorCollector collector, string inputFilePath, string errorFilename)
{
if (collector.ContainsErrors) // so check for errors now
{
collector.WriteTo(BuildPathFromInputPath(inputFilePath, errorFilename));
System.Console.WriteLine(
"Errors detected in input file. Please check the error report and retry once you have figured it out.");
System.Console.WriteLine("Press any key to quit...");
System.Console.ReadKey();
Environment.Exit((int) ExitCode.InvalidInputFile);
}
}
public TriangleBuilder(IReader<TriangleFeedFullDataExtract> reader, ErrorCollector collector)
{
_reader = reader;
_collector = collector;
}
public ClaimTriangle(string productName, ErrorCollector errorManager)
{
ErrorManager = errorManager;
ProductName = productName;
}
public OriginBlock(int originYear, ErrorCollector collector)
{
_originYear = originYear;
_collector = collector;
}
public TentativeErrorCollector(ErrorCollector underlyingCollector, string contextMessage)
{
_underlyingCollector = underlyingCollector;
_contextMessage = contextMessage;
}