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));
}
protected override Result <LightweightHitData> CreateResults(N2.Persistence.Search.Query query, IndexSearcher s, TopDocs hits)
{
logger.InfoFormat("Creating results for query {0} and {1} hits", query.Text, hits.TotalHits);
var result = new Result <LightweightHitData>();
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"));
return(new Hit <LightweightHitData>
{
Content = new LightweightHitData
{
ID = id,
AlteredPermissions = (Security.Permission) int.Parse(doc.Get("AlteredPermissions")),
State = (ContentState)int.Parse(doc.Get("State")),
Visible = Convert.ToBoolean(doc.Get("Visible")),
AuthorizedRoles = doc.Get("Roles").Split(' '),
Path = doc.Get("Path")
},
Title = doc.Get("Title"),
Url = doc.Get("Url"),
Score = hit.Score
});
}).ToList();
result.Hits = resultHits;
result.Count = resultHits.Count;
return(result);
}
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();
}
}
protected abstract Result <T> CreateResults(N2.Persistence.Search.Query query, IndexSearcher s, TopDocs hits);
protected virtual Lucene.Net.Search.Query CreateQuery(N2.Persistence.Search.Query query)
{
var q = "";
if (!string.IsNullOrEmpty(query.Text))
{
q = query.OnlyPages.HasValue
? string.Format("+(Title:({0})^4 Text:({0}) PartsText:({0}))", query.Text)
: string.Format("+(Title:({0})^4 Text:({0}))", query.Text);
}
if (query.Ancestor != null)
{
q += string.Format(" +Trail:{0}*", Utility.GetTrail(query.Ancestor));
}
if (query.OnlyPages.HasValue)
{
q += string.Format(" +IsPage:{0}", query.OnlyPages.Value.ToString().ToLower());
}
if (query.Roles != null)
{
q += string.Format(" +Roles:(Everyone {0})", string.Join(" ", query.Roles.ToArray()));
}
if (query.Types != null)
{
q += string.Format(" +Types:({0})", string.Join(" ", query.Types.Select(t => t.Name).ToArray()));
}
if (query.LanguageCode != null)
{
q += string.Format(" +Language:({0})", query.LanguageCode);
}
if (query.Exclution != null)
{
q += string.Format(" -({0})", CreateQuery(query.Exclution));
}
if (query.Intersection != null)
{
q = string.Format("+({0}) +({1})", q, CreateQuery(query.Intersection));
}
if (query.Union != null)
{
q = string.Format("({0}) ({1})", q, CreateQuery(query.Union));
}
if (query.Details.Count > 0)
{
foreach (var kvp in query.Details)
{
if (LuceneIndexer.Properties.All.Contains(kvp.Key))
{
q += string.Format(" +{0}:({1})", kvp.Key, kvp.Value);
}
else
{
q += string.Format(" +Detail.{0}:({1})", kvp.Key, kvp.Value);
}
}
}
logger.Debug("CreateQuery: " + q);
return(accessor.GetQueryParser().Parse(q));
}
