public FilteringCursor(CaseCursor originalCursor, FilterTransformer transformer)
{
if (transformer == null)
{
throw new ArgumentNullException(nameof(transformer));
}
cursor = originalCursor ?? throw new ArgumentNullException(nameof(originalCursor));
filter = transformer.GetFilter() ?? throw new ArgumentNullException(nameof(filter));
}
public static ICaseFrame FilterCases(this ICaseFrame caseFrame, IEnumerable <string> caseIds)
{
if (caseFrame == null)
{
throw new ArgumentNullException(nameof(caseFrame));
}
if (caseIds == null)
{
throw new ArgumentNullException(nameof(caseIds));
}
var ids = new HashSet <string>(caseIds);
var filterTransformer = new FilterTransformer(c => ids.Contains(c.GetId()));
filterTransformer.Prepare(caseFrame);
return(filterTransformer.Transform(caseFrame));
}
public FilteringCaseFrame(ICaseFrame frame, FilterTransformer transformer) : base(frame)
{
this.transformer = transformer ?? throw new ArgumentNullException(nameof(transformer));
}