protected GenericPairComparator<Tuple3<Integer, String, Double>, Tuple4<Integer, Float, Long, Double>> createComparator(boolean ascending) {
int[] fields1 = new int[]{0, 2};
int[] fields2 = new int[]{0, 3};
TypeComparator[] comps1 = new TypeComparator[]{
new IntComparator(ascending),
new DoubleComparator(ascending)
};
TypeComparator[] comps2 = new TypeComparator[]{
new IntComparator(ascending),
new DoubleComparator(ascending)
};
TypeSerializer[] sers1 = new TypeSerializer[]{
IntSerializer.INSTANCE,
DoubleSerializer.INSTANCE
};