ISet <Event> ApplyFilter(ISet <Event> s, Event context)
{
if (this.filter == null)
{
return(s);
}
var result = new HashSet <Event>();
try
{
var val = this.filter.Eval(context);
if (val.GetType() == typeof(IntType))
{
IntType v = (IntType)val;
if (s.Count > v.value)
{
result.Add(s.ElementAt(v.value));
}
return(result);
}
}
catch
{ }
foreach (var e in s)
{
var val = this.filter.Eval(e);
if (val.GetType() == typeof(BoolType))
{
BoolType v = (BoolType)val;
if (v.value)
{
result.Add(e);
}
}
}
return(result);
//throw new Exception("Bad filter type: " + val.GetType());
}
