private Lucene.Net.Store.Directory CreateLuceneIndex(IEnumerable <PackageVersion> packages, string luceneDirectory)
{
Lucene.Net.Store.Directory directory;
if (luceneDirectory != null)
{
var directoryInfo = new DirectoryInfo(luceneDirectory);
directoryInfo.Create();
directory = new SimpleFSDirectory(directoryInfo);
}
else
{
directory = new RAMDirectoryWrapper();
}
using (var indexWriter = DocumentCreator.CreateIndexWriter(directory, true))
{
foreach (var version in packages)
{
var metadata = GetPackageMetadata(version);
var document = DocumentCreator.CreateDocument(metadata);
indexWriter.AddDocument(document);
}
indexWriter.Commit();
}
return(directory);
}