com.atomicleopard.expressive.comparator

Class NullsafeComparator<T>

java.lang.Object

com.atomicleopard.expressive.comparator.DelegateComparator<T>

com.atomicleopard.expressive.comparator.NullsafeComparator<T>

Type Parameters:

T -

All Implemented Interfaces:

Comparator<T>

public class NullsafeComparator<T>
extends DelegateComparator<T>

A comparator which allows one or both arguments to be null. Whether a single null argument comes before or after a non-null (i.e. -1 or 1) is controlled at construction time.

Constructor Summary

Constructors

Constructor and Description
NullsafeComparator(Comparator<T> delegate, boolean nullLast)

Method Summary

Methods

Modifier and Type	Method and Description
int	compare(T arg0, T arg1)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

NullsafeComparator

public NullsafeComparator(Comparator<T> delegate,
                  boolean nullLast)

Method Detail

compare

public int compare(T arg0,
          T arg1)

Specified by:

compare in interface Comparator<T>

Overrides:

compare in class DelegateComparator<T>