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package org.onap.vid.utils;
import java.util.List;
import java.util.stream.Collectors;
/**
* Created by moriya1 on 10/10/2017.
*/
public class Intersection<T> {
public List<T> intersectMultipileArray(List<List<T>> lists) {
if (lists.size() == 1) {
return lists.get(0);
} else {
List<T> intersectResult = intersectTwoArrays(lists.get(0),lists.get(1));
lists.remove(0);
lists.remove(0);
lists.add(0,intersectResult);
return intersectMultipileArray(lists);
}
}
public List<T> intersectTwoArrays(List<T> list1, List<T> list2) {
List<T> intersect = list1.stream()
.filter(list2::contains)
.collect(Collectors.toList());
return intersect;
}
}
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