Package org.plumelib.util

Class ArraysPlume.LongArrayComparatorLengthFirst

java.lang.Object

org.plumelib.util.ArraysPlume.LongArrayComparatorLengthFirst

All Implemented Interfaces:

Serializable, Comparator<long[]>

Enclosing class:

ArraysPlume

public static final class ArraysPlume.LongArrayComparatorLengthFirst
extends Object
implements Comparator<long[]>, Serializable

Compare two arrays first by length (a shorter array is considered less), and if of equal length compare lexically (element-by-element).

Note: this comparator imposes orderings that are inconsistent with Object.equals(java.lang.Object). That is, it may return 0 if the arrays contain identical numbers but are not equal according to equals().

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final ArraysPlume.LongArrayComparatorLengthFirst	it	The canonical LongArrayComparatorLengthFirst.

Constructor Summary

Constructors

Constructor	Description
LongArrayComparatorLengthFirst()	Deprecated. use it.

Method Summary

Modifier and Type	Method	Description
int	compare(long[] a1, long[] a2)	Compare two arrays by length, then lexically (element-by-element).

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, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Details

it

public static final ArraysPlume.LongArrayComparatorLengthFirst it

The canonical LongArrayComparatorLengthFirst.

Constructor Details

LongArrayComparatorLengthFirst

@Deprecated
public LongArrayComparatorLengthFirst()

Deprecated.

use it.

Create a new LongArrayComparatorLengthFirst.

Method Details

compare

@Pure
public int compare(long[] a1,
 long[] a2)

Compare two arrays by length, then lexically (element-by-element).

Specified by:

compare in interface Comparator<long[]>

Parameters:

a1 - first array to compare

a2 - second array to compare

Returns:

a negative integer, zero, or a positive integer, depending on whether the first argument is less than, equal to, or greater than the second argument