public List <Document> Search(Lexicon lex, ConcurrentDictionary <String, Document> docs)
{
Posts posts = lex.GetTermPosts(searchTerm); // Retrieves all posts from a given term.
List <Document> returnDocuments = new List <Document>();
if (posts != null)
{
var sortedList = posts.GetPosts().ToList();
sortedList.Sort((p1, p2) => p2.Value.CompareTo(p1.Value));
foreach (KeyValuePair <String, int> post in sortedList)
{
Document doc;
if (docs.TryGetValue(post.Key, out doc)) // Retrives the Document for given post
{
returnDocuments.Add(doc); // and adds it to the List to return.
}
}
}
return(returnDocuments);
}
public List <Document> Search(Lexicon lex, ConcurrentDictionary <string, Document> docs)
{
List <Document> returnDocuments = new List <Document>();
Dictionary <String, int> noOfTermHits = new Dictionary <string, int>();
foreach (String term in searchTerms) // Loop through all terms
{
Posts posts = lex.GetTermPosts(term);
if (posts != null)
{
foreach (var post in posts.GetPosts()) // Loops through all posts for given term.
{
if (noOfTermHits.ContainsKey(post.Key)) // If the document key already has a term hit
{
noOfTermHits[post.Key]++; // then add 1 to that count.
}
else
{
noOfTermHits.Add(post.Key, 1); // Otherwise add the document key to the dictionary.
}
}
}
}
var sortedNoOfTermHits = noOfTermHits.ToList();
sortedNoOfTermHits.Sort((p1, p2) => p2.Value.CompareTo(p1.Value));
for (int i = 0; i < maxNoOfResults && i < sortedNoOfTermHits.Count; i++)
{
Document doc;
if (docs.TryGetValue(sortedNoOfTermHits[i].Key, out doc)) // Retrives the Document for given post
{
returnDocuments.Add(doc); // and adds it to the List to return.
}
}
return(returnDocuments);
}
