private IndexSearcher Acquire(Type documentType, bool maybeReopen)
{
if (documentType == null)
{
throw new ArgumentNullException("documentType");
}
if (!typeof(IDefineDocument).IsAssignableFrom(documentType))
{
throw new ArgumentException(string.Format(
"Invalid documentType: '{0}' is not assignable from '{1}'.",
documentType, typeof(IDefineDocument)), "documentType");
}
var directory = _documentStore.GetDirectory(documentType);
if (!_currentSearchers.ContainsKey(directory) || _currentSearchers[directory] == null)
{
_currentSearchers.TryAdd(directory, new IndexSearcher(IndexReader.Open(directory, true)));
_reopenings.TryAdd(directory, false);
}
if (maybeReopen)
{
MaybeReopen(documentType);
}
_currentSearchers[directory].IndexReader.IncRef();
return(_currentSearchers[directory]);
}
public void Index()
{
const Version version = Version.LUCENE_30;
var analyzer = new PerFieldAnalyzerWrapper(new StandardAnalyzer(version));
var directory = _documents.GetDirectory <PlaceDocument>();
var writer = new IndexWriter(directory, analyzer, IndexWriter.MaxFieldLength.UNLIMITED);
writer.DeleteAll();
var skip = 0;
const int take = 1000;
const int sleep = 10;
var places = _entities.Query <Place>()
.EagerLoad(_entities, new Expression <Func <Place, object> >[]
{
x => x.Names,
x => x.Ancestors,
})
.OrderBy(x => x.RevisionId);
var total = places.Count();
while (skip < total)
{
var items = places.Skip(skip).Take(take).ToArray().Select(x => new PlaceDocument(x));
foreach (var document in items.Select(CreateDocument))
{
writer.AddDocument(document);
}
skip += take;
if (skip < total)
{
Thread.Sleep(sleep);
}
}
try
{
writer.Optimize();
writer.Dispose();
}
catch
{
writer.Rollback();
}
}
