public void TestShingleAnalyzerWrapperPhraseQuery()
{
Analyzer analyzer = new ShingleAnalyzerWrapper(new WhitespaceAnalyzer(), 2);
Searcher = SetUpSearcher(analyzer);
var q = new PhraseQuery();
var ts = analyzer.TokenStream("content", new StringReader("this sentence"));
var j = -1;
var posIncrAtt = ts.AddAttribute <IPositionIncrementAttribute>();
var termAtt = ts.AddAttribute <ITermAttribute>();
while (ts.IncrementToken())
{
j += posIncrAtt.PositionIncrement;
var termText = termAtt.Term;
q.Add(new Term("content", termText), j);
}
var hits = Searcher.Search(q, null, 1000).ScoreDocs;
var ranks = new[] { 0 };
CompareRanks(hits, ranks);
}
public void TestShingleAnalyzerWrapperBooleanQuery()
{
Analyzer analyzer = new ShingleAnalyzerWrapper(new WhitespaceAnalyzer(), 2);
Searcher = SetUpSearcher(analyzer);
var q = new BooleanQuery();
var ts = analyzer.TokenStream("content", new StringReader("test sentence"));
var termAtt = ts.AddAttribute <ITermAttribute>();
while (ts.IncrementToken())
{
var termText = termAtt.Term;
q.Add(new TermQuery(new Term("content", termText)),
Occur.SHOULD);
}
var hits = Searcher.Search(q, null, 1000).ScoreDocs;
var ranks = new[] { 1, 2, 0 };
CompareRanks(hits, ranks);
}