package it.unimi.dsi.fastutil.shorts;
import java.util.Comparator;
public final class ShortComparators {
private ShortComparators() {
}
protected static class NaturalImplicitComparator implements ShortComparator, java.io.Serializable {
private static final long serialVersionUID = 1L;
@Override
public final int compare(final short a, final short b) {
return (Short.compare((a), (b)));
}
@Override
public ShortComparator reversed() {
return OPPOSITE_COMPARATOR;
}
private Object readResolve() {
return NATURAL_COMPARATOR;
}
};
public static final ShortComparator NATURAL_COMPARATOR = new NaturalImplicitComparator();
protected static class OppositeImplicitComparator implements ShortComparator, java.io.Serializable {
private static final long serialVersionUID = 1L;
@Override
public final int compare(final short a, final short b) {
return -(Short.compare((a), (b)));
}
@Override
public ShortComparator reversed() {
return NATURAL_COMPARATOR;
}
private Object readResolve() {
return OPPOSITE_COMPARATOR;
}
};
public static final ShortComparator OPPOSITE_COMPARATOR = new OppositeImplicitComparator();
protected static class OppositeComparator implements ShortComparator, java.io.Serializable {
private static final long serialVersionUID = 1L;
final ShortComparator comparator;
protected OppositeComparator(final ShortComparator c) {
comparator = c;
}
@Override
public final int compare(final short a, final short b) {
return comparator.compare(b, a);
}
@Override
public final ShortComparator reversed() {
return comparator;
}
};
public static ShortComparator oppositeComparator(final ShortComparator c) {
if (c instanceof OppositeComparator)
return ((OppositeComparator) c).comparator;
return new OppositeComparator(c);
}
public static ShortComparator asShortComparator(final Comparator<? super Short> c) {
if (c == null || c instanceof ShortComparator)
return (ShortComparator) c;
return new ShortComparator() {
@Override
public int compare(short x, short y) {
return c.compare(Short.valueOf(x), Short.valueOf(y));
}
@SuppressWarnings("deprecation")
@Override
public int compare(Short x, Short y) {
return c.compare(x, y);
}
};
}
}