// add/update/clear search index data
public static void AddUpdateLuceneIndex(SampleData sampleData)
{
AddUpdateLuceneIndex(new List<SampleData> { sampleData });
}
private static void _addToLuceneIndex(SampleData sampleData, IndexWriter writer)
{
// remove older index entry
var searchQuery = new TermQuery(new Term("Id", sampleData.Id.ToString()));
writer.DeleteDocuments(searchQuery);
// add new index entry
var doc = new Document();
// add lucene fields mapped to db fields
doc.Add(new Field("Id", sampleData.Id.ToString(), Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.Add(new Field("Name", sampleData.Name, Field.Store.YES, Field.Index.ANALYZED));
doc.Add(new Field("Description", sampleData.Description, Field.Store.YES, Field.Index.ANALYZED));
// add entry to index
writer.AddDocument(doc);
}