// Example: analyze one url from database.
//
public static void Analyze(Model model)
{
string url = "";
int siteId = -1;
NpgsqlDataReader urlRow;
// This part must be locked, otherwise threads will read
// the same site.
//
lock (urlLocker) {
urlRow = model.GetUrl();
// If database haven't site to analyze.
if (!urlRow.Read()) {
Console.WriteLine("All sites are processed or "
+ "processing now.");
Thread.Sleep(SLEEP_TIME);
return;
}
siteId = urlRow.GetInt32(0);
model.MarkSiteProcessed(siteId);
}
try {
url = urlRow.GetString(1);
Console.WriteLine(url);
Analyzer analyzer = new Analyzer(url);
int reportId = model.NewReport(siteId);
Report report = analyzer.Analyze(reportId);
report.PutIntoDB(model, siteId);
}
catch (InvalidOperationException ex) {
Console.WriteLine("Analyze Error: {0}", ex.Message);
model.MarkSiteFailed(siteId);
}
catch (Exception ex) {
Console.WriteLine("Unknown error: " + ex.Message);
model.MarkSiteFailed(siteId);
}
}
public Report(Model model, int siteId)
: this()
{
id = model.NewReport(siteId);
}
