private void AddDocumentWithFields(IndexWriter writer)
{
Document doc = new Document();
doc.Add(new Field("keyword", "test1", Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.Add(new Field("text", "test1", Field.Store.YES, Field.Index.ANALYZED));
doc.Add(new Field("unindexed", "test1", Field.Store.YES, Field.Index.NO));
doc.Add(new Field("unstored", "test1", Field.Store.NO, Field.Index.ANALYZED));
writer.AddDocument(doc);
}