private void ProximityFilter(string[] words)
{
ArrayList toBeRemovedDocs = new ArrayList();
using (WordContext context = new WordContextFactory().Create())
{
foreach (int docIndex in results.Keys)
{
for (int i = 0; i < words.Length - 1; i++)
{
var first = words[i];
var second = words[i + 1];
int firstIndex = context.WordsIndex.Where(x => x.WordCount.Word.Str == first && x.WordCount.Document.DocID == docIndex).Select(x => x.StartIndex).FirstOrDefault();
int secondIndex = context.WordsIndex.Where(x => x.WordCount.Word.Str == second && x.WordCount.Document.DocID == docIndex).Select(x => x.StartIndex).FirstOrDefault();
if (Math.Abs(firstIndex - secondIndex) > PROXIMITY_MAX_DISTANCE)
{
toBeRemovedDocs.Add(docIndex);
}
}
}
}
foreach (int index in toBeRemovedDocs)
{
results.Remove(index);
}
}
public void PrintResults(List <Result> results)
{
using (WordContext context = new WordContextFactory().Create())
{
foreach (Result result in results)
{
Console.WriteLine(result.Score + " " + context.Documents.Where(x => x.DocID == result.Index).Select(x => x.Text).FirstOrDefault());
}
}
}
private List <int> GetFoundDocsIndexForWord(String word)
{
using (WordContext context = new WordContextFactory().Create())
{
if (context.Words.Any(x => x.Str == word))
{
DetailsOfWord detailsOfWord = new DetailsOfWord(word);
return(context.WordCounts.Where(x => x.Word.Str == word).Select(x => x.Document.DocID).ToList());
}
return(null);
}
}
private void SetResultsScore(string[] wordsToFind)
{
int score;
foreach (string word in wordsToFind)
{
foreach (int docIndex in results.Keys)
{
using (WordContext context = new WordContextFactory().Create())
{
if (!context.WordCounts.Any(x => x.Document.DocID == docIndex))
{
continue;
}
score = context.WordCounts.Where(x => x.Word.Str == word && x.Document.DocID == docIndex).Select(x => x.Count).FirstOrDefault();
results[docIndex].ChangeScore(score);
}
}
}
}
