public List<Advert> SearchAds(string query)
{
if (_searcher == null) return null;
ICollection fields = _searcher.Reader.GetFieldNames(IndexReader.FieldOption.ALL);
List<string> fldList = new List<string>();
foreach (DictionaryEntry f in fields)
{
fldList.Add(f.Key.ToString());
}
List<Advert> adverts = new List<Advert>();
MultiFieldQueryParser parser = new MultiFieldQueryParser(fldList.ToArray(), _analyzer);
Query q = parser.Parse(query);
Hits hits = _searcher.Search(q);
PropertyDescriptors desc = new PropertyDescriptors();
desc.LoadData(System.Windows.Forms.Application.StartupPath + "\\PropertyDescriptors.xml");
for (int i = 0; i < hits.Length(); i++)
{
Advert ad = new Advert();
Document doc = hits.Doc(i);
foreach (Field f in doc.Fields())
{
string temp = desc.GetDisplayableFormat(f.Name(), f.StringValue());
ad[f.Name()] = temp;
}
adverts.Add(ad);
}
return adverts;
}
public void IndexFile(string filePath)
{
PropertyDescriptors descriptors = new PropertyDescriptors();
descriptors.LoadData(System.Windows.Forms.Application.StartupPath + "\\PropertyDescriptors.xml");
Analyzer a = new Lucene.Net.Analysis.Standard.StandardAnalyzer();
bool create = !(System.IO.Directory.Exists(_idxDir) && IndexReader.IndexExists(_idxDir));
IndexWriter iw = new IndexWriter(_idxDir, a, create);
iw.SetUseCompoundFile(true);
AdDataStream adStream = new AdDataStream(filePath);
adStream.LoadData();
foreach (Advert ad in adStream.FetchAd())
{
Document doc = new Document();
foreach (string s in ad.GetDictionary().Keys)
{
string temp = descriptors.GetIndexableFormat(descriptors[s], ad[s]);
doc.Add(Field.Text(s, temp));
}
iw.AddDocument(doc);
if (_updateCallback != null)
{
_updateCallback("Added Document: " + ad["Title"]);
}
}
iw.Optimize();
iw.Close();
}
