public void TestSpanRegex()
{
RAMDirectory directory = new RAMDirectory();
IndexWriter writer = new IndexWriter(directory, new SimpleAnalyzer(), true, IndexWriter.MaxFieldLength.UNLIMITED);
Document doc = new Document();
// doc.Add(new Field("field", "the quick brown fox jumps over the lazy dog",
// Field.Store.NO, Field.Index.ANALYZED));
// writer.AddDocument(doc);
// doc = new Document();
doc.Add(new Field("field", "auto update", Field.Store.NO,
Field.Index.ANALYZED));
writer.AddDocument(doc);
doc = new Document();
doc.Add(new Field("field", "first auto update", Field.Store.NO,
Field.Index.ANALYZED));
writer.AddDocument(doc);
writer.Optimize();
writer.Close();
IndexSearcher searcher = new IndexSearcher(directory, true);
SpanRegexQuery srq = new SpanRegexQuery(new Term("field", "aut.*"));
SpanFirstQuery sfq = new SpanFirstQuery(srq, 1);
// SpanNearQuery query = new SpanNearQuery(new SpanQuery[] {srq, stq}, 6,
// true);
int numHits = searcher.Search(sfq, null, 1000).TotalHits;
Assert.AreEqual(1, numHits);
}
private static void VisitQuery(SpanFirstQuery query, AzureQueryLogger.IndentedTextWriter writer)
{
writer.WriteLine("End: {0}", (object)query.End);
writer.WriteLine("Match:");
++writer.Indent;
AzureQueryLogger.VisitQuery(query.Match, writer);
--writer.Indent;
}
public override SpanQuery GetSpanQuery(XmlElement e)
{
int end = DOMUtils.GetAttribute(e, "end", 1);
XmlElement child = DOMUtils.GetFirstChildElement(e);
SpanQuery q = factory.GetSpanQuery(child);
SpanFirstQuery sfq = new SpanFirstQuery(q, end);
sfq.Boost = DOMUtils.GetAttribute(e, "boost", 1.0f);
return(sfq);
}
public void TestSpanPositionCheck()
{
Directory dir = NewDirectory();
// use simpleanalyzer for more natural tokenization (else "test." is a token)
Analyzer analyzer = new MockAnalyzer(Random(), MockTokenizer.SIMPLE, true);
IndexWriterConfig iwc = NewIndexWriterConfig(TEST_VERSION_CURRENT, analyzer);
iwc.SetMergePolicy(NewLogMergePolicy());
RandomIndexWriter iw = new RandomIndexWriter(Random(), dir, iwc);
FieldType offsetsType = new FieldType(TextField.TYPE_STORED);
offsetsType.IndexOptions = (IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS);
Field body = new Field("body", "", offsetsType);
Document doc = new Document();
doc.Add(body);
body.SetStringValue("This is a test.");
iw.AddDocument(doc);
body.SetStringValue("Test a one sentence document.");
iw.AddDocument(doc);
IndexReader ir = iw.Reader;
iw.Dispose();
IndexSearcher searcher = NewSearcher(ir);
PostingsHighlighter highlighter = new PostingsHighlighterAnalyzerHelper(analyzer);
//PostingsHighlighter highlighter = new PostingsHighlighter() {
// @Override
// protected Analyzer getIndexAnalyzer(String field)
//{
// return analyzer;
//}
// };
SpanQuery childQuery = new SpanMultiTermQueryWrapper <WildcardQuery>(new WildcardQuery(new Term("body", "te*")));
Query query = new SpanFirstQuery(childQuery, 1000000);
TopDocs topDocs = searcher.Search(query, null, 10, Sort.INDEXORDER);
assertEquals(2, topDocs.TotalHits);
String[] snippets = highlighter.Highlight("body", query, searcher, topDocs);
assertEquals(2, snippets.Length);
assertEquals("This is a <b>test</b>.", snippets[0]);
assertEquals("<b>Test</b> a one sentence document.", snippets[1]);
ir.Dispose();
dir.Dispose();
}
public virtual Query VisitSpanFirstQuery(SpanFirstQuery spanFirstq)
{
throw new NotImplementedException();
}
public virtual Query VisitSpanFirstQuery(SpanFirstQuery spanFirstq)
{
throw new SnNotSupportedException();
}
