public Result <T> Search(N2.Persistence.Search.Query query)
{
if (!query.IsValid())
{
logger.Warn("Invalid query");
return(Result <T> .Empty);
}
var luceneQuery = query.ToLuceneQuery();
logger.Warn("Prepared lucene query " + luceneQuery);
var q = accessor.GetQueryParser().Parse(luceneQuery);
var s = accessor.GetSearcher();
TopDocs hits;
if (string.IsNullOrEmpty(query.SortField))
{
hits = s.Search(q, query.SkipHits + query.TakeHits);
}
else
{
hits = s.Search(
query: q,
filter: null,
n: query.SkipHits + query.TakeHits,
sort: new Sort(
query.SortFields.Select(
field => new SortField(field.SortField, GetSortFieldType(field.SortField), field.SortDescending)).ToArray()));
}
return(CreateResults(query, s, hits));
}
public Result Search(N2.Persistence.Search.Query query)
{
if (!query.IsValid())
{
return(Result.Empty);
}
var s = accessor.GetSearcher();
try
{
var q = CreateQuery(query);
var hits = s.Search(q, query.SkipHits + query.TakeHits);
var result = new Result();
result.Total = hits.totalHits;
var resultHits = hits.scoreDocs.Skip(query.SkipHits).Take(query.TakeHits).Select(hit =>
{
var doc = s.Doc(hit.doc);
int id = int.Parse(doc.Get("ID"));
ContentItem item = persister.Get(id);
return(new Hit {
Content = item, Score = hit.score
});
}).Where(h => h.Content != null).ToList();
result.Hits = resultHits;
result.Count = resultHits.Count;
return(result);
}
finally
{
//s.Close();
}
}
public Result Search(N2.Persistence.Search.Query query)
{
if (!query.IsValid())
{
return(Result.Empty);
}
var s = accessor.GetSearcher();
try
{
var q = CreateQuery(query);
//new TopFieldDocCollector(s.GetIndexReader(), new Sort(
TopDocs hits;
if (string.IsNullOrEmpty(query.SortField))
{
hits = s.Search(q, query.SkipHits + query.TakeHits);
}
else
{
hits = s.Search(
query: q,
filter: null,
n: query.SkipHits + query.TakeHits,
sort: new Sort(
query.SortFields.Select(
field => new SortField(field.SortField, GetSortFieldType(field.SortField), field.SortDescending)).ToArray()));
}
var result = new Result();
result.Total = hits.TotalHits;
var resultHits = hits.ScoreDocs.Skip(query.SkipHits).Take(query.TakeHits).Select(hit =>
{
var doc = s.Doc(hit.Doc);
int id = int.Parse(doc.Get("ID"));
ContentItem item = persister.Get(id);
return(new Hit {
Content = item, Score = hit.Score
});
}).Where(h => h.Content != null).ToList();
result.Hits = resultHits;
result.Count = resultHits.Count;
return(result);
}
finally
{
//s.Close();
}
}
/// <summary>Delets an item from the index and any descendants.</summary>
/// <param name="itemID">The id of the item to delete.</param>
public virtual void Delete(int itemID)
{
logger.Debug("Deleting item #" + itemID);
lock (accessor)
{
var iw = accessor.GetWriter();
var s = accessor.GetSearcher();
string trail = GetTrail(s, new Term(Properties.ID, itemID.ToString()));
if (trail == null)
{
return; // not indexed
}
var query = new PrefixQuery(new Term(Properties.Trail, trail));
iw.DeleteDocuments(query);
iw.Commit();
accessor.RecreateSearcher();
}
}