/**
* Returns a {@link Collector} that accumulates elements into an {@code ImmutableSortedMap} whose
* keys and values are the result of applying the provided mapping functions to the input
* elements. The generated map is sorted by the specified comparator.
*
* <p>If the mapped keys contain duplicates (according to the specified comparator), an {@code
* IllegalArgumentException} is thrown when the collection operation is performed. (This differs
* from the {@code Collector} returned by {@link Collectors#toMap(Function, Function)}, which
* throws an {@code IllegalStateException}.)
*
* @since 21.0
*/
@Beta
public static <T, K, V> Collector<T, ?, ImmutableSortedMap<K, V>> toImmutableSortedMap(
Comparator<? super K> comparator,
Function<? super T, ? extends K> keyFunction,
Function<? super T, ? extends V> valueFunction) {
return CollectCollectors.toImmutableSortedMap(comparator, keyFunction, valueFunction);
}
/**
* Returns a {@link Collector} that accumulates elements into an {@code ImmutableBiMap} whose keys
* and values are the result of applying the provided mapping functions to the input elements.
* Entries appear in the result {@code ImmutableBiMap} in encounter order.
*
* <p>If the mapped keys or values contain duplicates (according to {@link Object#equals(Object)},
* an {@code IllegalArgumentException} is thrown when the collection operation is performed. (This
* differs from the {@code Collector} returned by {@link Collectors#toMap(Function, Function)},
* which throws an {@code IllegalStateException}.)
*
* @since 21.0
*/
@Beta
public static <T, K, V> Collector<T, ?, ImmutableBiMap<K, V>> toImmutableBiMap(
Function<? super T, ? extends K> keyFunction,
Function<? super T, ? extends V> valueFunction) {
return CollectCollectors.toImmutableBiMap(keyFunction, valueFunction);
}
