public static FilterPredicate Filter(this PredicateBinding input, Predicate predicate)
{
Check.NotNull(input, "input");
Check.NotNull(predicate, "predicate");
var resultType = input.Predicate.ResultType;
return(new FilterPredicate(resultType, input, predicate));
}
public static ProjectPredicate Project(this PredicateBinding input, Predicate projection)
{
Check.NotNull(projection, "projection");
Check.NotNull(input, "input");
TypeUsage resultType = TypeUsage.Create(new CollectionType(projection.ResultType));
return(new ProjectPredicate(resultType, input, projection));
}
internal ProjectPredicate(TypeUsage resultType, PredicateBinding input, Predicate projection)
: base(PredicateType.Project, resultType)
{
_input = input;
_projection = projection;
}
internal FilterPredicate(TypeUsage resultType, PredicateBinding input, Predicate predicate)
: base(PredicateType.Filter, resultType)
{
_input = input;
_predicate = predicate;
}
