/// <summary>
/// compute range and locate data
/// </summary>
/// <returns></returns>
internal List <RangeData> ComputeBoundariesData(BoudariesFlags cursorPositionFlag)
{
List <RangeData> rangesList = new List <RangeData>();
foreach (var item in runtimeBoundaries)
{
if ((cursorPositionFlag & BoudariesFlags.Range) != 0)
{
if (item.Range != null)
{
rangesList.Add(item.ComputeRangeData());
}
}
if ((cursorPositionFlag & BoudariesFlags.Locate) != 0)
{
if (item.Locate != null)
{
rangesList.Add(item.ComputeLocateData());
}
}
}
SetPartDatetimeMatch(rangesList);
return(rangesList);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public List <RangeData> Build(BoudariesFlags boundariesFlag)
{
List <RangeData> rangesData = new List <RangeData>();
// If toolkit locates and runtime locates are present, then use user locates and not use toolkit locates.
if (userLocates == null || userLocates.Count == 0)
{
rangesData = viewBoundaries.ComputeBoundariesData(boundariesFlag);
}
else
{
rangesData = viewBoundaries.ComputeBoundariesData(BoudariesFlags.Range);
}
if ((boundariesFlag & BoudariesFlags.Range) != 0 && userRanges != null)
{
rangesData.AddRange(userRanges);
}
if ((boundariesFlag & BoudariesFlags.Locate) != 0 && userLocates != null)
{
rangesData.AddRange(userLocates);
}
return(rangesData);
}
/// <summary>
/// get the required start position, for use when there's a "locate" command
/// </summary>
/// <param name="reverse"></param>
/// <returns></returns>
internal DbPos SetCursorOnPosition(bool reverse, DbPos position, BoudariesFlags cursorPositionFlag)
{
OpenCursor(reverse, position, cursorPositionFlag);
CursorFetch();
CloseCursor();
return(CurrentCursor.CursorDefinition.CurrentPosition);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public List <RangeData> Build(BoudariesFlags boundariesFlag)
{
List <RangeData> rangesData = viewBoundaries.ComputeBoundariesData(BoudariesFlags.Range);
rangesData.Add(BuildRangeData(minValue));
return(rangesData);
}
public List <gatewaytypes.RangeData> Build(BoudariesFlags boundariesFlag)
{
var rangeData = new List <gatewaytypes.RangeData>();
foreach (var fb in fieldBoundaries)
{
rangeData.Add(fb.ComputeRangeData());
}
return(rangeData);
}
/// <summary>
/// open cursor
/// </summary>
/// <param name="reverse"></param>
/// <param name="startPosition"></param>
/// <param name="useLocate">If this is the 1st access to the table, locate values should be considered.
/// if not - use only ranges</param>
/// <returns></returns>
internal GatewayResult OpenCursor(bool reverse, DbPos startPosition, BoudariesFlags boundariesFlag)
{
CurrentCursor.CursorDefinition.SetFlagValue(CursorProperties.DirReversed, reverse);
CurrentCursor.CursorDefinition.StartPosition = startPosition;
// build the RangeData list
CurrentCursor.RuntimeCursorData.Ranges = RangeBuilder.Build(boundariesFlag);
GatewayCommandBase cursorCommand = GatewayCommandsFactory.CreateCursorOpenCommand(CurrentCursor, LocalDataviewManager.LocalManager);
//String r = CurrentCursor.Serialize();
return(cursorCommand.Execute());
}
