/// <summary>
/// Handy helper function to make a configured filter
/// </summary>
public static CombinedFilter MakeFilterWith(Action <CombinedFilter> configure)
{
var combinedFilter = new CombinedFilter();
configure(combinedFilter);
return(combinedFilter);
}
/// <summary>
/// Constructs the set of filters that will be used to derive the set of production data sub grids.
/// </summary>
public static IFilterSet ConstructFilters(IFilterSet filterSet, VolumeComputationType volumeType)
{
if (volumeType == VolumeComputationType.None)
{
return(filterSet);
}
// If the volume calculation is between two filters then handle appropriately...
if (volumeType == VolumeComputationType.Between2Filters)
{
var baseFilter = filterSet.Filters[0];
var topFilter = filterSet.Filters[1];
// Determine if intermediary filter/surface behaviour is required to support summary volumes
var intermediaryFilterRequired = volumeType == VolumeComputationType.Between2Filters &&
baseFilter.AttributeFilter.HasTimeFilter && baseFilter.AttributeFilter.StartTime == Consts.MIN_DATETIME_AS_UTC && // 'From' has As-At Time filter
!baseFilter.AttributeFilter.ReturnEarliestFilteredCellPass && // Want latest cell pass in 'from'
topFilter.AttributeFilter.HasTimeFilter && topFilter.AttributeFilter.StartTime != Consts.MIN_DATETIME_AS_UTC && // 'To' has time-range filter with latest
!topFilter.AttributeFilter.ReturnEarliestFilteredCellPass; // Want latest cell pass in 'to'
if (intermediaryFilterRequired)
{
// Create and use the intermediary filter. The intermediary filter
// is created from the Top filter, with the return earliest flag set to true
var intermediaryFilter = new CombinedFilter();
intermediaryFilter.AttributeFilter.Assign(topFilter.AttributeFilter);
intermediaryFilter.AttributeFilter.ReturnEarliestFilteredCellPass = true;
intermediaryFilter.SpatialFilter.Assign(topFilter.SpatialFilter);
return(new FilterSet(new[] { baseFilter, intermediaryFilter, topFilter }));
}
}
else if (volumeType == VolumeComputationType.BetweenDesignAndFilter)
{
return(new FilterSet(filterSet.Filters[1]));
}
else if (volumeType == VolumeComputationType.BetweenFilterAndDesign)
{
return(new FilterSet(filterSet.Filters[0]));
}
return(filterSet);
}
