public Data searchLucene(Data data)
{
Search_gl search = new Search_gl();
List<string> item = new List<string>();
Lucene.Net.Store.Directory directory = FSDirectory.Open(new DirectoryInfo(Environment.CurrentDirectory + "\\LuceneIndex"));
var analyzer = new StandardAnalyzer(Version.LUCENE_29);
IndexReader reader = IndexReader.Open(directory, true);
IndexSearcher searcher = new IndexSearcher(reader);
//QueryParser queryParser = new QueryParser(Version.LUCENE_29, "summary", analyzer); //search for single field
MultiFieldQueryParser parser = new MultiFieldQueryParser(new string[] {"name", "summary"}, analyzer); //search for multifield
Query query = parser.Parse((data.getString("search")) + "*"); //cant search blank text with wildcard as first character
TopScoreDocCollector collector = TopScoreDocCollector.create(1000, true);
searcher.Search(query, collector);
ScoreDoc[] hits = collector.TopDocs().ScoreDocs;
int count = hits.Length;
for (int i = 0; i < count; i++)
{
int docId = hits[i].doc;
float score = hits[i].score;
Document doc = searcher.Doc(docId);
string id = doc.Get("id");
item.Add(id);
}
Data list = search.search(data, item.ToArray());
reader.Close();
searcher.Close();
return list;
}
public static String[] searchContent(string prefixText, int count)
{
Search_gl search = new Search_gl();
Data data = new Data();
data.add("search", prefixText);
Lucene_gl lucene = new Lucene_gl();
Data list = lucene.searchLucene(data);
return search.list(list);
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Data data = new Data();
Search_gl search = new Search_gl();
Paging_gl page = new Paging_gl();
Profile_gl profile = new Profile_gl();
Lucene_gl lucene = new Lucene_gl();
Data list = null;
data.add("search", search.searchUrlConversion(Param.getString("search")));
data.add("page", page.getCurrentSearchPage(Param.getString("page")));
data.add("range", Param.getString("range"));
data.add("rate", Param.getString("rate"));
if (data.getString("search") == "")
{
list = search.selectAll(data);
}
else
{
list = lucene.searchLucene(data);
}
int count = page.setPage(data);
for (int i = 1; i <= count; i++)
{
dropDownPage.Items.Add(new ListItem(i.ToString()));
}
dropDownPage.SelectedValue = Param.getString("page");
if (page.previousPage(Param.getString("page")) == true)
{
previous.Visible = false;
}
if (page.nextPage(Param.getString("page"), count) == true)
{
next.Visible = false;
}
// data.add all values in to same array, pass data array to advance search class in logical lib and split in to multiple search methods.
if (data.getString("range") != "" && data.getString("search") != "")
{
int range = Convert.ToInt32(data.getString("range"));
if (range > 0)
{
data.add("address", data.getString("search"));
list = search.searchRadius(data);
}
}
searchView.DataSource = list.Source;
searchView.DataBind();
}
}
public void addLucene(Data data)
{
Search_gl search = new Search_gl();
Data searchForIndex = search.getSearchForIndex(data);
Lucene.Net.Store.Directory directory = FSDirectory.Open(new DirectoryInfo(Environment.CurrentDirectory + "\\LuceneIndex"));
var analyzer = new StandardAnalyzer(Version.LUCENE_29);
var writer = new IndexWriter(directory, analyzer, true, IndexWriter.MaxFieldLength.UNLIMITED);
for (int i = 0; i < searchForIndex.Count; i++)
{
Document document = new Document();
document.Add(new Field("id", searchForIndex.getValue(i, "id").ToString(), Field.Store.YES, Field.Index.NOT_ANALYZED));
document.Add(new Field("name", searchForIndex.getValue(i, "name").ToString(), Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
document.Add(new Field("summary", searchForIndex.getValue(i, "summary").ToString(), Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
writer.AddDocument(document);
writer.Optimize();
writer.Commit();
}
writer.Close();
}
protected void searchBtn_Click(object sender, EventArgs e)
{
Search_gl search = new Search_gl();
string urlString = search.urlSearch(Param);
go("../search/list.aspx?search=" + Param.getString("search") + "&page=" + 1 + urlString); //dynamic url data
}