ScalaConverters.java

package utils;

import scala.Tuple2;
import scala.collection.JavaConversions;
import scala.collection.Seq;

import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;

public class ScalaConverters {
    public static <A, B> Seq<Tuple2<A, B>> mapToEntrySeq(Map<A, B> map) {
        Set<Tuple2<A, B>> set = map
                .entrySet()
                .stream()
                .map(x -> new Tuple2<>(x.getKey(), x.getValue()))
                .collect(Collectors.toSet());
        return JavaConversions.asScalaSet(set).toSeq();
    }
}