public List <SearchResult> Search(string queryString, out int totalHits)
{
var l = new List <SearchResult>();
// Parse the query - assuming it's not a single term but an actual query string
// Note the QueryParser used is using the same analyzer used for indexing
var query = queryParser.Parse(queryString);
var _totalHits = 0;
// Execute the search with a fresh indexSearcher
searcherManager.MaybeRefreshBlocking();
searcherManager.ExecuteSearch(searcher =>
{
var topDocs = searcher.Search(query, 10);
_totalHits = topDocs.TotalHits;
foreach (var result in topDocs.ScoreDocs)
{
var doc = searcher.Doc(result.Doc);
l.Add(new SearchResult
{
Name = doc.GetField("name")?.StringValue,
Description = doc.GetField("description")?.StringValue,
Url = doc.GetField("url")?.StringValue,
// Results are automatically sorted by relevance
Score = result.Score,
});
}
}, exception => { Console.WriteLine(exception.ToString()); });
totalHits = _totalHits;
return(l);
}
public IEnumerable <MenuItem> Search(string queryString, ResultFilter filter = null)
{
if (queryString != null)
{
queryString = queryString.Trim();
}
if (string.IsNullOrEmpty(queryString))
{
yield break;
}
queryString = Escape(queryString);
queryString += "~";
// FuzzyQuery query = new FuzzyQuery(new Term("joe", queryString), 5);
// parser.FuzzyMinSim = 10f;
Query query = parser.Parse(queryString);
manager.MaybeRefreshBlocking();
IndexSearcher searcher = manager.Acquire();
try
{
TopDocs documents = searcher.Search(query, (filter ?? ResultFilter.Default).Limit > 0 ? filter.Limit : 1);
foreach (ScoreDoc scoreDocument in documents.ScoreDocs)
{
Document document = searcher.Doc(scoreDocument.Doc);
yield return(items[document.GetField(DESCRIPTION).GetStringValue()]);
}
}
finally
{
manager.Release(searcher);
searcher = null;
}
}
/// <summary>
/// Reopens the underlying searcher; it's best to "batch
/// up" many additions/updates, and then call refresh
/// once in the end.
/// </summary>
public virtual void Refresh()
{
if (m_searcherMgr == null) // LUCENENET specific -Support for LUCENE-5889.
{
throw IllegalStateException.Create("suggester was not built");
}
m_searcherMgr.MaybeRefreshBlocking();
}
/// <summary>
/// Reopens the underlying searcher; it's best to "batch
/// up" many additions/updates, and then call refresh
/// once in the end.
/// </summary>
public virtual void Refresh()
{
if (m_searcherMgr == null)
{
throw new InvalidOperationException("suggester was not built");
}
m_searcherMgr.MaybeRefreshBlocking();
}
public SearchResults Search(string queryString)
{
int resultsPerPage = 10;
var analyzer = SetupAnalyzer();
var queryParser = SetupQueryParser(analyzer);
IEnumerable <FieldDefinition> fields = new List <FieldDefinition> {
new FieldDefinition {
Name = "title", isDefault = true
},
new FieldDefinition {
Name = "description", isDefault = false
}
};
// Query query = BuildQuery(queryString,queryParser); // BuildQuery(queryString, fields); //
Query query;
if (queryString.EndsWith('~'))
{
query = BuildQuery(queryString, queryParser);
}
else
{
query = BuildQuery(queryString, fields);
}
using (var writer = new IndexWriter(_directory,
new IndexWriterConfig(MATCH_LUCENE_VERSION, analyzer)))
{
var searchManager = new SearcherManager(writer, true, null);
searchManager.MaybeRefreshBlocking();
IndexSearcher searcher = searchManager.Acquire();
try
{
TopDocs topDocs = searcher.Search(query, resultsPerPage);
return(CompileResults(searcher, topDocs));
}
finally
{
searchManager?.Release(searcher);
searchManager?.Dispose();
searcher = null;
analyzer?.Dispose();
ReleaseWriteLock();
}
}
}
public SearchResults Search(string queryString)
{
int resultsPerPage = 10;
Query query = BuildQuery(queryString);
searchManager.MaybeRefreshBlocking();
IndexSearcher searcher = searchManager.Acquire();
try
{
TopDocs topdDocs = searcher.Search(query, resultsPerPage);
return(CompileResults(searcher, topdDocs));
}
finally
{
searchManager.Release(searcher);
searcher = null;
}
}
public async Task <IEnumerable <SearchResult> > Search(IDictionary <string, string> matches)
{
var results = new List <SearchResult>();
using (Directory directory = FSDirectory.Open(this._directory))
{
SearcherManager searchManager = new SearcherManager(directory, null);
searchManager.MaybeRefreshBlocking();
IndexSearcher indexSearcher = searchManager.Acquire();
var booleanQuery = new BooleanQuery();
foreach (var match in matches)
{
booleanQuery.Add(new TermQuery(new Term(match.Key, match.Value)), Occur.MUST);
}
var hits = indexSearcher.Search(booleanQuery, int.MaxValue);
var scored = hits.ScoreDocs;
foreach (var item in scored)
{
Document doc = indexSearcher.Doc(item.Doc);
string url = doc.Get("Url");
var content = await this._contentService.GetContent(url);
results.Add(new SearchResult
{
Url = url,
PreviewText = doc.Get("Body"),
Score = item.Score,
Content = content
});
}
}
return(results);
}
public SearchResults Search(string queryString)
{
int resultsPerPage = 10;
List <FieldDefinition> fields = new List <FieldDefinition> {
new FieldDefinition {
Name = "title", IsDefault = true
},
new FieldDefinition {
Name = "rating"
},
new FieldDefinition {
Name = "description"
}
};
Query query = BuildQuery(queryString, fields);
searcherManager.MaybeRefreshBlocking();
IndexSearcher searcher = searcherManager.Acquire();
try {
TopDocs topDocs = searcher.Search(query, resultsPerPage);
if (topDocs.TotalHits < 1)
{
Console.WriteLine("No result found with TermQuery, Calling Prefix Query");
query = BuildQuery(queryString, fields, true);
topDocs = searcher.Search(query, resultsPerPage);
}
if (topDocs.TotalHits < 1)
{
Console.WriteLine("No result found with PrefixQuery, Calling Fuzzy Query");
query = BuildQuery(queryString, fields, true, true);
topDocs = searcher.Search(query, resultsPerPage);
}
return(CompileResults(searcher, topDocs));
}
finally {
searcherManager.Release(searcher);
searcher = null;
}
}
/// <summary>
/// Performs a search to find information across the whole documentation.
/// </summary>
/// <param name="queryString"> The query of the search.</param>
/// <returns>A list which contains all the pages which match to the query.</returns>
public string Search(string queryString)
{
if (string.IsNullOrWhiteSpace(queryString))
{
return(null);
}
var listSearchResult = new List <Page>();
// Parse the query - assuming it's not a single term but an actual query string
var query = QueryParser.Parse(queryString);
// Execute the search with a fresh indexSearcher
SearcherManager.MaybeRefreshBlocking();
SearcherManager.ExecuteSearch(searcher =>
{
var topDocs = searcher.Search(query, 10);
foreach (var result in topDocs.ScoreDocs)
{
var doc = searcher.Doc(result.Doc);
listSearchResult.Add(new Page
{
Name = doc.GetField("name")?.StringValue,
Path = doc.GetField("path")?.StringValue,
});
}
}, exception => { Console.WriteLine(exception.ToString()); });
var listPagesContentResult = this.SearchInPagesContent(queryString);
var listPagesContentResultUpdate = new List <Page>();
foreach (var result in listPagesContentResult)
{
if (!listSearchResult.Exists(x => x.Path == result.Path))
{
listPagesContentResultUpdate.Add(result);
}
}
return(this.markdownToHtml.CreateHtmlPageFromResults(queryString, listSearchResult, listPagesContentResultUpdate, this.PathIndexDirectory));
}
/// <summary>
/// Reopens the underlying searcher; it's best to "batch
/// up" many additions/updates, and then call refresh
/// once in the end.
/// </summary>
public virtual void Refresh()
{
m_searcherMgr.MaybeRefreshBlocking();
}
public async Task <IEnumerable <SearchResult> > Search(string searchTerm)
{
var results = new List <SearchResult>();
var queryParser = SetupQueryParser(SetupAnalyzer());
var query = queryParser.Parse(searchTerm);
ScoreDoc[] scored;
//using (Directory directory = FSDirectory.Open(this._directory))
//{
// using (var writer = new IndexWriter(directory,
// new IndexWriterConfig(LuceneVersion.LUCENE_CURRENT, SetupAnalyzer())))
// {
// using(var reader = writer.GetReader(false))
// {
// for (int i = 0; i < reader.MaxDoc; i++)
// {
// Document doc = reader.Document(i);
// string type = doc.GetField("Type").GetStringValue();
// if(type == "content")
// {
// }
// // do something with docId here...
// }
// }
// }
//}
using (Directory directory = FSDirectory.Open(this._directory))
{
SearcherManager searchManager = new SearcherManager(directory, null);
searchManager.MaybeRefreshBlocking();
IndexSearcher indexSearcher = searchManager.Acquire();
TopDocs hits = indexSearcher.Search(query, int.MaxValue);
scored = hits.ScoreDocs;
foreach (var item in scored)
{
Document doc = indexSearcher.Doc(item.Doc);
var previewText = GeneratePreviewText(query, doc.Get("Body"));
string url = doc.Get("Url");
var content = await this._contentService.GetContent(url);
results.Add(new SearchResult
{
Url = url,
PreviewText = doc.Get("Body"),
Score = item.Score,
Content = content
});
}
}
return(results);
}
public virtual void TestReferenceDecrementIllegally([ValueSource(typeof(ConcurrentMergeSchedulers), "Values")]IConcurrentMergeScheduler scheduler)
{
Directory dir = NewDirectory();
var config = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random()))
.SetMergeScheduler(scheduler);
IndexWriter writer = new IndexWriter(dir, config);
SearcherManager sm = new SearcherManager(writer, false, new SearcherFactory());
writer.AddDocument(new Document());
writer.Commit();
sm.MaybeRefreshBlocking();
IndexSearcher acquire = sm.Acquire();
IndexSearcher acquire2 = sm.Acquire();
sm.Release(acquire);
sm.Release(acquire2);
acquire = sm.Acquire();
acquire.IndexReader.DecRef();
sm.Release(acquire);
Assert.Throws<InvalidOperationException>(() => sm.Acquire(), "acquire should have thrown an InvalidOperationException since we modified the refCount outside of the manager");
// sm.Dispose(); -- already closed
writer.Dispose();
dir.Dispose();
}
public virtual void TestListenerCalled()
{
Directory dir = NewDirectory();
IndexWriter iw = new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, null));
AtomicBoolean afterRefreshCalled = new AtomicBoolean(false);
SearcherManager sm = new SearcherManager(iw, false, new SearcherFactory());
sm.AddListener(new RefreshListenerAnonymousInnerClassHelper(this, afterRefreshCalled));
iw.AddDocument(new Document());
iw.Commit();
Assert.IsFalse(afterRefreshCalled.Get());
sm.MaybeRefreshBlocking();
Assert.IsTrue(afterRefreshCalled.Get());
sm.Dispose();
iw.Dispose();
dir.Dispose();
}
public virtual void TestReferenceDecrementIllegally()
{
Directory dir = NewDirectory();
IndexWriter writer = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())).SetMergeScheduler(new ConcurrentMergeScheduler()));
SearcherManager sm = new SearcherManager(writer, false, new SearcherFactory());
writer.AddDocument(new Document());
writer.Commit();
sm.MaybeRefreshBlocking();
IndexSearcher acquire = sm.Acquire();
IndexSearcher acquire2 = sm.Acquire();
sm.Release(acquire);
sm.Release(acquire2);
acquire = sm.Acquire();
acquire.IndexReader.DecRef();
sm.Release(acquire);
try
{
sm.Acquire();
Assert.Fail("acquire should have thrown an InvalidOperationException since we modified the refCount outside of the manager");
}
catch (InvalidOperationException ex)
{
//
}
// sm.Dispose(); -- already closed
writer.Dispose();
dir.Dispose();
}
