public static void AddIndex(ProductLuceneViewModel viewModel)
{
var directory = FSDirectory.Open(new DirectoryInfo(_path));
var analyzer = new StandardAnalyzer(_version, GetStopWords());
using (var writer = new IndexWriter(directory, analyzer, create: false, mfl: IndexWriter.MaxFieldLength.UNLIMITED))
{
writer.AddDocument(MapProductToDocument(viewModel));
writer.Optimize();
writer.Commit();
writer.Dispose();
directory.Dispose();
}
}
public static void UpdateIndex(ProductLuceneViewModel viewModel)
{
var directory = FSDirectory.Open(new DirectoryInfo(_path));
var analyzer = new StandardAnalyzer(_version, GetStopWords());
using (var indexWriter = new IndexWriter(directory, analyzer, create: false, mfl: IndexWriter.MaxFieldLength.UNLIMITED))
{
var newDoc = MapProductToDocument(viewModel);
indexWriter.UpdateDocument(new Term("Id", viewModel.Id.ToString(CultureInfo.InvariantCulture)), newDoc);
indexWriter.Commit();
indexWriter.Dispose();
directory.Dispose();
}
}
static Document MapProductToDocument(ProductLuceneViewModel viewModel)
{
var productDocument = new Document();
productDocument.Add(new Field("Id", viewModel.Id.ToString(CultureInfo.InvariantCulture), Field.Store.YES, Field.Index.NOT_ANALYZED));
productDocument.Add(new Field("PrincipleImagePath", viewModel.ImagePath, Field.Store.YES, Field.Index.NOT_ANALYZED));
var nameField = new Field("Name", viewModel.Name, Field.Store.YES, Field.Index.ANALYZED,
Field.TermVector.WITH_POSITIONS_OFFSETS)
{
Boost = 3
};
productDocument.Add(nameField);
productDocument.Add(new Field("Description", viewModel.Description, Field.Store.NO, Field.Index.ANALYZED,
Field.TermVector.WITH_POSITIONS_OFFSETS));
return(productDocument);
}
