private static void Part2()
{
string[] allLines = File.ReadAllLines("/Users/brett/Downloads/import_data.csv");
using (StreamWriter ts = (File.CreateText("/Users/brett/failed_validation.csv")))
{
foreach (string l in allLines)
{
var rowNum = l.Split(',') [0];
var code = l.Split(',') [1];
var postcode = new Postcode(code);
if (!postcode.Validate())
{
ts.WriteLine("{0},{1}", rowNum, code);
}
}
}
}
/// <summary>
/// Very rough and ready method used to read in the postcode database downloaded from OS,
/// and validate every code as a sanity check for the validation routine and to provide
/// a reference harness for performance tuning.
/// </summary>
private static void Check()
{
bool allPassed;
int count;
Stopwatch stopWatch = new Stopwatch();
long rawParseTimeMs;
long reformatParseTimeMs;
long createObjectsTimeMs;
long validateTimeMs;
foreach (var f in Directory.GetFiles("/Users/brett/Downloads/codepo_gb/Data/CSV"))
{
Console.Write(f);
allPassed = true;
count = 0;
stopWatch.Reset();
stopWatch.Start();
foreach (var c in File.ReadAllLines(f))
{
List <string> codes = new List <string> ();
codes.Add(c.Split(',') [0]);
}
stopWatch.Stop();
rawParseTimeMs = stopWatch.ElapsedMilliseconds;
stopWatch.Reset();
stopWatch.Start();
foreach (var c in File.ReadAllLines(f))
{
List <string> codes = new List <string> ();
var rawCode = c.Split(',') [0];
codes.Add(string.Format("{0} {1}",
rawCode.Substring(0, rawCode.Length - 4).Trim(),
rawCode.Substring(rawCode.Length - 4)));
}
stopWatch.Stop();
reformatParseTimeMs = stopWatch.ElapsedMilliseconds;
stopWatch.Reset();
stopWatch.Start();
foreach (var c in File.ReadAllLines(f))
{
List <string> codes = new List <string> ();
var rawCode = c.Split(',') [0];
codes.Add(string.Format("{0} {1}",
rawCode.Substring(0, rawCode.Length - 4).Trim(),
rawCode.Substring(rawCode.Length - 4)));
var reformattedCode = string.Format("{0} {1}",
rawCode.Substring(0, rawCode.Length - 4).Trim(),
rawCode.Substring(rawCode.Length - 4));
Postcode postcode = new Postcode(reformattedCode);
}
stopWatch.Stop();
createObjectsTimeMs = stopWatch.ElapsedMilliseconds;
stopWatch.Reset();
stopWatch.Start();
foreach (var c in File.ReadAllLines(f))
{
List <string> codes = new List <string> ();
var rawCode = c.Split(',') [0];
codes.Add(string.Format("{0} {1}",
rawCode.Substring(0, rawCode.Length - 4).Trim(),
rawCode.Substring(rawCode.Length - 4)));
var reformattedCode = string.Format("{0} {1}",
rawCode.Substring(0, rawCode.Length - 4).Trim(),
rawCode.Substring(rawCode.Length - 4));
Postcode postcode = new Postcode(reformattedCode);
postcode.Validate();
count++;
}
stopWatch.Stop();
validateTimeMs = stopWatch.ElapsedMilliseconds;
Console.WriteLine(" - {0}, {1} checked in {2}ms, {3}/s, Raw: {4}, Parse: {5}, Object: {6}, Validate: {7}",
allPassed ? "OK" : "Failures",
count,
stopWatch.ElapsedMilliseconds,
((float)count / (float)stopWatch.ElapsedMilliseconds) * 1000,
rawParseTimeMs,
reformatParseTimeMs,
createObjectsTimeMs,
validateTimeMs);
}
Console.ReadKey();
}
