internal bool InsertTransaction <T>(Guid docid, T doc)
{
apimapper api = new apimapper(_viewmanager, this);
if (basetype == doc.GetType())
{
View <T> view = (View <T>)_view;
try
{
if (view.Mapper != null)
{
view.Mapper(api, docid, doc);
}
}
catch (Exception ex)
{
_log.Error(ex);
return(false);
}
}
else if (mapper != null)
{
mapper(api, docid, doc);
}
if (api._RollBack == true)
{
return(false);
}
// map emitobj -> rows
foreach (var d in api.emitobj)
{
api.emit.Add(d.Key, ExtractRows(d.Value));
}
//Dictionary<Guid, List<object[]>> rows = new Dictionary<Guid, List<object[]>>();
tran_data data = new tran_data();
if (_transactions.TryGetValue(Thread.CurrentThread.ManagedThreadId, out data))
{
// TODO : exists -> merge data??
}
else
{
data = new tran_data();
data.docid = docid;
data.rows = api.emit;
_transactions.Add(Thread.CurrentThread.ManagedThreadId, data);
}
return(true);
}
// FEATURE : add query caching here
internal Result <object> Query <T>(Expression <Predicate <T> > filter, int start, int count, string orderby)
{
if (filter == null)
{
return(Query(start, count));
}
DateTime dt = FastDateTime.Now;
_log.Debug("query : " + _view.Name);
WAHBitArray ba = new WAHBitArray();
QueryVisitor qv = new QueryVisitor(QueryColumnExpression);
qv.Visit(filter);
var delbits = _deletedRows.GetBits();
ba = ((WAHBitArray)qv._bitmap.Pop()).AndNot(delbits);
List <T> trows = null;
if (_viewmanager.inTransaction())
{
// query from transaction own data
tran_data data = null;
if (_transactions.TryGetValue(Thread.CurrentThread.ManagedThreadId, out data))
{
List <T> rrows = new List <T>();
foreach (var kv in data.rows)
{
foreach (var r in kv.Value)
{
object o = FastCreateObject(_view.Schema);
rrows.Add((T)_rowfiller(o, r));
}
}
trows = rrows.FindAll(filter.Compile());
}
}
var order = SortBy(orderby);
_log.Debug("query bitmap done (ms) : " + FastDateTime.Now.Subtract(dt).TotalMilliseconds);
dt = FastDateTime.Now;
// exec query return rows
return(ReturnRows <T>(ba, trows, start, count, order));
}
internal void Commit(int ID)
{
tran_data data = null;
// save data to indexes
if (_transactions.TryGetValue(ID, out data))
{
// delete any items with docid in view
if (_view.DeleteBeforeInsert)
{
DeleteRowsWith(data.docid);
}
SaveAndIndex(data.rows);
}
// remove in memory data
_transactions.Remove(ID);
}
