internal static List <T> orderedBy <T, R>(Iterable <T> iterable, Function <T, R> getKey)
{
var result = FromJava.IterableToEnumerable(iterable)
.OrderBy(getKey.apply)
.ToList();
return(ToJava.ListToList(result));
}
internal static List <T> eagerConcat <T>(Iterable <T> first, Iterable <T> second)
{
var result = FromJava.IterableToEnumerable(first)
.Concat(FromJava.IterableToEnumerable(second))
.ToList();
return(ToJava.ListToList(result));
}
internal static List <U> eagerFlatMap <T, U>(Iterable <T> iterable, Function <T, Iterable <U> > function)
{
var result = FromJava.IterableToEnumerable(iterable)
.SelectMany(element => FromJava.IterableToEnumerable(function.apply(element)))
.ToList();
return(ToJava.ListToList(result));
}
internal static List <T> cons <T>(T head, Iterable <T> tail)
{
var result = new T[] { head }
.Concat(FromJava.IterableToEnumerable(tail))
.ToList();
return(ToJava.ListToList(result));
}
internal static List <U> eagerMapWithIndex <T, U>(Iterable <T> iterable, BiFunction <int, T, U> function)
{
var result = FromJava.IterableToEnumerable(iterable)
.Select((value, index) => function.apply(index, value))
.ToList();
return(ToJava.ListToList(result));
}
internal static List <U> eagerMap <T, U>(Iterable <T> iterable, Function <T, U> function)
{
var result = FromJava.IterableToEnumerable(iterable)
.Select(function.apply)
.ToList();
return(ToJava.ListToList(result));
}
internal static List <T> eagerFilter <T>(Iterable <T> iterable, Predicate <T> function)
{
var result = FromJava.IterableToEnumerable(iterable)
.Where(function.test)
.ToList();
return(ToJava.ListToList(result));
}
internal static Map <K, java.util.List <T> > toMultiMapWithKey <T, K>(Iterable <T> iterable, Function <T, K> function)
{
var dictionary = FromJava.IterableToEnumerable(iterable)
.GroupBy(value => function.apply(value))
.ToDictionary(
grouping => grouping.Key,
grouping => ToJava.ListToList(grouping.ToList()));
return(ToJava.DictionaryToMap(dictionary));
}
internal static Map <K, java.util.List <V> > toMultiMap <T, K, V>(Iterable <T> iterable, Function <T, Map__Entry <K, V> > function)
{
var dictionary = FromJava.IterableToEnumerable(iterable)
.Select(element => function.apply(element))
.GroupBy(entry => entry.getKey())
.ToDictionary(
grouping => grouping.Key,
grouping => ToJava.ListToList(grouping.Select(entry => entry.getValue()).ToList()));
return(ToJava.DictionaryToMap(dictionary));
}
internal static List <T> asList <T>(T[] elements)
{
return(ToJava.ListToList(elements));
}
internal static List <T> list <T>(params T[] values)
{
return(ToJava.ListToList(values));
}
internal static List <T> toList <T>(Iterable <T> iterable)
{
return(ToJava.ListToList(FromJava.IterableToEnumerable(iterable).ToList()));
}