private static IDisposable CreateDb(out ITimeSeriesDb db)
{
var fpp = new FilePathProviderExt(Guid.NewGuid().ToString("N"));
var allocator = new DummyUnmanagedAllocator();
db = new FileTimeSeriesDb(fpp, allocator);
return(Disposable.Create(() =>
{
fpp.Dispose();
allocator.Dispose();
}));
}
public void MoveNextTest()
{
var bid = new List <DoubleEntry>()
.Add("08:00:00", 12.2)
.Add("08:00:01", 12.3)
.Add("08:00:02", 12.4)
.Add("08:00:03", 12.5)
.Add("08:00:04", 12.6)
.ToArray();
var bsize = new List <Int32Entry>()
.Add("08:00:00", 1e6)
.Add("08:00:02", 2e6)
.ToArray();
var ask = new List <DoubleEntry>()
.Add("08:00:00", 13.2)
.Add("08:00:02", 13.3)
.Add("08:00:04", 13.4)
.ToArray();
var asize = new List <Int32Entry>()
.Add("08:00:00", 2e6)
.Add("08:00:04", 1e6)
.ToArray();
var snapshots = new SnapshotTimeSerie(1, 2, 3, 4)
.Snap("07:59:58", "Min", "08:00:00", double.NaN, 0, double.NaN, 0)
.Snap("07:59:59", "Min", "08:00:00", double.NaN, 0, double.NaN, 0)
.Snap("08:00:00", "08:00:00", "08:00:01", 12.2, 1e6, 13.2, 2e6)
.Snap("08:00:00.500", "08:00:00", "08:00:01", 12.2, 1e6, 13.2, 2e6)
.Snap("08:00:00.700", "08:00:00", "08:00:01", 12.2, 1e6, 13.2, 2e6)
.Snap("08:00:01.200", "08:00:01", "08:00:02", 12.3, 1e6, 13.2, 2e6)
.Snap("08:00:03.900", "08:00:03", "08:00:04", 12.5, 2e6, 13.3, 2e6)
.Snap("08:00:04", "08:00:04", "Max", 12.6, 2e6, 13.4, 1e6)
.Snap("08:00:05", "08:00:04", "Max", 12.6, 2e6, 13.4, 1e6)
.Snap("08:00:06", "08:00:04", "Max", 12.6, 2e6, 13.4, 1e6);
var allocator = new DummyUnmanagedAllocator();
const int blockSize = 8192;
try
{
#region Prepare streams
// Create streams
var streams = new Dictionary <int, IColumnStream>
{
{ 1, CreateColumnStream(new VoidCodecFullStream(), allocator, blockSize) },
{ 2, CreateColumnStream(new VoidCodecFullStream(), allocator, blockSize) },
{ 3, CreateColumnStream(new VoidCodecFullStream(), allocator, blockSize) },
{ 4, CreateColumnStream(new VoidCodecFullStream(), allocator, blockSize) }
};
// Fill streams
streams[1].Write(bid);
streams[2].Write(bsize);
streams[3].Write(ask);
streams[4].Write(asize);
// Reset streams
foreach (var stream in streams.Values)
{
stream.Flush();
stream.Reset();
}
#endregion
var fieldCursors = new Dictionary <string, IColumnCursor>
{
{ "1", new ColumnCursor <DoubleEntry, double, IColumnStream>(allocator, streams[1]) },
{ "2", new ColumnCursor <Int32Entry, int, IColumnStream>(allocator, streams[2]) },
{ "3", new ColumnCursor <DoubleEntry, double, IColumnStream>(allocator, streams[3]) },
{ "4", new ColumnCursor <Int32Entry, int, IColumnStream>(allocator, streams[4]) },
};
var cursor = new TimeSeriesCursor(fieldCursors);
snapshots.RunMoveNext(cursor);
}
finally
{
allocator.Dispose();
}
}
