public ResultSet <T> Enumerate()
{
var paritionsAndMaxVals =
_transactionContext.ReadPartitions.Select(p => Tuple.Create(p,
_transactionContext.GetRowCount(p.PartitionID)));
var ids = paritionsAndMaxVals.SelectMany(i => CreateRange(i.Item1.PartitionID, i.Item2));
return(ResultSetFactory.Create <T>(ids, _transactionContext));
}
public ResultSet <T> All()
{
var paritionsAndMaxVals =
_transactionContext.ReadPartitions.Select(p => Tuple.Create(p,
_transactionContext.GetRowCount(p.PartitionID))).ToArray();
long count = paritionsAndMaxVals.Sum(i => i.Item2);
var ids = paritionsAndMaxVals.SelectMany(i => CreateRange(i.Item1.PartitionID, i.Item2));
return(ResultSetFactory.Create <T>(ids, _transactionContext, count));
}
public ResultSet <T> AllBySymbolValueOverInterval <TT>(string symbol, TT value, DateInterval interval)
{
var column = _journal.Metadata.GetColumnByPropertyName(symbol);
var intervalFilter = new PartitionIntervalIterator();
var symbolFilter = new SymbolFilter <TT>(column, value);
var parititionsFiltered = intervalFilter.IteratePartitions(
_transactionContext.ReverseReadPartitions, interval, _transactionContext);
var ids = symbolFilter.Filter(parititionsFiltered, _transactionContext, ERowIDSortDirection.Desc);
return(ResultSetFactory.Create <T>(ids, _transactionContext));
}