public List <LuceneResult <T> > Search(String[] fields, String querystring)
{
//querystring = "\"" + querystring + "\"";
log.Debug("start new search for multiple fields " + querystring);
Searcher searcher = new IndexSearcher(reader);
Analyzer analyzer = new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30);
MultiFieldQueryParser parser = new MultiFieldQueryParser(Lucene.Net.Util.Version.LUCENE_30, fields, analyzer);
parser.DefaultOperator = QueryParser.Operator.AND;
Query query = parser.Parse(querystring);
AnonymousClassCollector streamingHitCollector = new AnonymousClassCollector(searcher);
searcher.Search(query, streamingHitCollector);
parser = null;
query = null;
List <LuceneResult <T> > ret = streamingHitCollector.GetSortedResult();
log.Debug("resultcount: " + ret.Count);
return(ret);
}
public List <LuceneResult <T> > Search(String[] fields, String querystring,
String datecol, String lowerdate, String uppderdate)
{
log.Debug("start new search for multiple fields and range");
//RangeFilter filter = new RangeFilter(datecol, lowerDate, upperDate, true, true);
Searcher searcher = new IndexSearcher(reader);
Analyzer analyzer = new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30);
String low = lowerdate;
String up = uppderdate;
DateTime dt1 = DateTime.MinValue;
if (DateTime.TryParse(lowerdate, out dt1))
{
low = Sharpend.Utils.Utils.getDateTimeForIndex(dt1);
}
DateTime dt2 = DateTime.MinValue;
if (DateTime.TryParse(uppderdate, out dt2))
{
up = Sharpend.Utils.Utils.getDateTimeForIndex(dt2);
}
Query query;
if (String.IsNullOrEmpty(querystring))
{
query = new TermRangeQuery(datecol, low, up, true, true);
}
else
{
MultiFieldQueryParser parser = new MultiFieldQueryParser(Lucene.Net.Util.Version.LUCENE_30, fields, analyzer);
parser.DefaultOperator = QueryParser.Operator.AND;
query = parser.Parse(querystring);
}
AnonymousClassCollector streamingHitCollector = new AnonymousClassCollector(searcher);
if (String.IsNullOrEmpty(querystring))
{
searcher.Search(query, streamingHitCollector);
}
else
{
TermRangeFilter filter = new TermRangeFilter(datecol, low, up, true, true);
searcher.Search(query, filter, streamingHitCollector);
}
query = null;
List <LuceneResult <T> > ret = streamingHitCollector.GetSortedResult();
log.Debug("resultcount: " + ret.Count);
return(ret);
}
///<inheritdoc />
public override void Search(Weight weight, Filter filter, Collector collector, IState state)
{
for (int i = 0; i < searchables.Length; i++)
{
int start = starts[i];
Collector hc = new AnonymousClassCollector(collector, start, this);
searchables[i].Search(weight, filter, hc, state);
}
}
public static void searchFor(Searcher searcher, string querystr)
{
QueryParser parser = new QueryParser("body", new StandardAnalyzer()); // could be outside this function
Query query = parser.Parse(querystr);
var hits = new AnonymousClassCollector();
// more accurate timer
var timer = new Stopwatch();
timer.Start();
searcher.Search(query, hits);
timer.Stop();
Console.WriteLine("search for [{0}] returned {1} hits in {2}ms )",
query, hits.Count, timer.ElapsedMilliseconds);
}
public List <LuceneResult <T> > Search(String field, String querystring)
{
log.Debug("start new search for field " + field + " query: " + querystring);
Searcher searcher = new IndexSearcher(reader);
Analyzer analyzer = new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30);
QueryParser parser = new QueryParser(Lucene.Net.Util.Version.LUCENE_30, field, analyzer);
Query query = parser.Parse(querystring);
AnonymousClassCollector streamingHitCollector = new AnonymousClassCollector(searcher);
searcher.Search(query, streamingHitCollector);
parser = null;
query = null;
List <LuceneResult <T> > ret = streamingHitCollector.GetSortedResult();
log.Debug("resultcount: " + ret.Count);
return(ret);
}
/// <summary>
/// This method uses a custom HitCollector implementation which simply prints out
/// the docId and score of every matching document.
///
/// This simulates the streaming search use case, where all hits are supposed to
/// be processed, regardless of their relevance.
/// </summary>
public static void DoStreamingSearch(Searcher searcher, Query query)
{
Collector streamingHitCollector = new AnonymousClassCollector();
searcher.Search(query, streamingHitCollector);
}
// inherit javadoc
public override void Search(Weight weight, Filter filter, Collector collector)
{
for (int i = 0; i < searchables.Length; i++)
{
int start = starts[i];
Collector hc = new AnonymousClassCollector(collector, start, this);
searchables[i].Search(weight, filter, hc);
}
}
/// <summary> This method uses a custom HitCollector implementation which simply prints out
/// the docId and score of every matching document.
///
/// This simulates the streaming search use case, where all hits are supposed to
/// be processed, regardless of their relevance.
/// </summary>
public static void DoStreamingSearch(Searcher searcher, Query query)
{
Collector streamingHitCollector = new AnonymousClassCollector();
searcher.Search(query, streamingHitCollector);
}
