public static void Main(System.String[] args)
{
try
{
Directory directory = new RAMDirectory();
Analyzer analyzer = new SimpleAnalyzer();
IndexWriter writer = new IndexWriter(directory, analyzer, true);
System.String[] docs = new System.String[]{"a b c d e", "a b c d e a b c d e", "a b c d e f g h i j", "a c e", "e c a", "a c e a c e", "a c e a b c"};
for (int j = 0; j < docs.Length; j++)
{
Document d = new Document();
d.Add(Field.Text("contents", docs[j]));
writer.AddDocument(d);
}
writer.Close();
Searcher searcher = new IndexSearcher(directory);
System.String[] queries = new System.String[]{"\"a c e\""};
Hits hits = null;
QueryParsers.QueryParser parser = new QueryParsers.QueryParser("contents", analyzer);
parser.SetPhraseSlop(4);
for (int j = 0; j < queries.Length; j++)
{
Query query = parser.Parse(queries[j]);
System.Console.Out.WriteLine("Query: " + query.ToString("contents"));
//DateFilter filter =
// new DateFilter("modified", Time(1997,0,1), Time(1998,0,1));
//DateFilter filter = DateFilter.Before("modified", Time(1997,00,01));
//System.out.println(filter);
hits = searcher.Search(query);
System.Console.Out.WriteLine(hits.Length() + " total results");
for (int i = 0; i < hits.Length() && i < 10; i++)
{
Document d = hits.Doc(i);
System.Console.Out.WriteLine(i + " " + hits.Score(i) + " " + d.Get("contents"));
}
}
searcher.Close();
}
catch (System.Exception e)
{
System.Console.Out.WriteLine(" caught a " + e.GetType() + "\n with message: " + e.Message);
}
}
