private static CrawlContext GetCrawlContext(string sequenceType, string start, long max, int pause)
{
ISequence<string> sequence;
QueryType queryType;
if (sequenceType.Equals("NN"))
{
var innerSequence = new NaturalNumberSequence();
innerSequence.Seek(long.Parse(start));
sequence = new TextSequence<long>(innerSequence);
queryType = QueryType.IdCardNumber;
}
else if (sequenceType.Equals("N"))
{
sequence = new NameSequence();
sequence.Seek(start);
queryType = QueryType.Name;
}
else if (sequenceType.Equals("RICN"))
{
sequence = new RandomIdCardNumberSequence();
queryType = QueryType.IdCardNumber;
}
else if (sequenceType.Equals("RN1"))
{
sequence = new RandomNameSequence(1);
queryType = QueryType.Name;
}
else if (sequenceType.Equals("RN2"))
{
sequence = new RandomNameSequence(2);
queryType = QueryType.Name;
}
else
{
throw new ArgumentException("Invalid sequence type: " + sequenceType);
}
sequence.Initialize();
return new CrawlContext
{
Sequence = sequence,
SequenceType = sequenceType,
MaximumTry = max,
QueryType = queryType,
Pause = pause,
};
}
public void TestCrawler()
{
var innerSequence = new NaturalNumberSequence();
innerSequence.Seek(9);
var sequence = new TextSequence <long>(innerSequence);
var crawler = new Crawler(sequence);
crawler.AfterCrawl += (sender, e) =>
{
var progress = e.Progress;
Console.WriteLine(
"[{0}/{1} keyword={2}] {3}",
progress.Current, progress.Total, progress.CurrentKeyword, progress.Message);
};
crawler.Crawl(3, QueryType.IdCardNumber);
}
public static int GetNextNaturalNumber() => NaturalNumberSequence.NextValue();
