public override void Visit(PredicateFilter filter) => PredicateBuilder(filter)(filter.Property, filter.Value);
private Func <FilterProperty, FilterValue, FilterExpressionBuilder <T> > PredicateBuilder(PredicateFilter filter)
{
switch (filter.Value.Type)
{
case FilterValueType.Scalar:
switch (filter.Predicate)
{
case PredicateOperatorString.Equal:
return(Equal);
case PredicateOperatorString.GreaterThan:
return(GreaterThan);
case PredicateOperatorString.GreaterThanOrEqual:
return(GreaterThanOrEqual);
case PredicateOperatorString.LessThan:
return(LessThan);
case PredicateOperatorString.LessThanOrEqual:
return(LessThanOrEqual);
case PredicateOperatorString.NotEqual:
return(NotEqual);
default:
throw new NotSupportedException($"Predicate operator not supported for scalar value: {filter.Predicate}.");
}
case FilterValueType.Vector:
switch (filter.Predicate)
{
case PredicateOperatorString.Contains:
return(Any);
case PredicateOperatorString.Equal:
return(All);
default:
throw new NotSupportedException($"Predicate operator not supported for vector value: {filter.Predicate}.");
}
default:
throw new NotSupportedException($"Filter value type not supported '{filter.Value.Type}'.");
}
}
