org.apache.hadoop.hbase.util

Class ArrayUtils

java.lang.Object

org.apache.hadoop.hbase.util.ArrayUtils

@InterfaceAudience.Private
public class ArrayUtils
extends Object

A set of array utility functions that return reasonable values in cases where an array is allocated or if it is null

Constructor Summary

Constructors

Constructor and Description
ArrayUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static long	getFirst(long[] a)
static long	getLast(long[] a)
static int	getTotalLengthOfArrays(Iterable<byte[]> arrays)
static byte[]	growIfNecessary(byte[] array, int minLength, int numAdditionalBytes)
static int[]	growIfNecessary(int[] array, int minLength, int numAdditionalInts)
static long[]	growIfNecessary(long[] array, int minLength, int numAdditionalLongs)
static boolean	isEmpty(byte[] a)
static boolean	isEmpty(long[] a)
static boolean	isEmpty(Object[] a)
static int	length(byte[] a)
static int	length(long[] a)
static int	length(Object[] a)
static ArrayList<Long>	toList(long[] array)

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayUtils

public ArrayUtils()

Method Detail

length

public static int length(byte[] a)

length

public static int length(long[] a)

length

public static int length(Object[] a)

isEmpty

public static boolean isEmpty(byte[] a)

isEmpty

public static boolean isEmpty(long[] a)

isEmpty

public static boolean isEmpty(Object[] a)

getFirst

public static long getFirst(long[] a)

getLast

public static long getLast(long[] a)

getTotalLengthOfArrays

public static int getTotalLengthOfArrays(Iterable<byte[]> arrays)

toList

public static ArrayList<Long> toList(long[] array)

growIfNecessary

public static byte[] growIfNecessary(byte[] array,
                     int minLength,
                     int numAdditionalBytes)

growIfNecessary

public static int[] growIfNecessary(int[] array,
                    int minLength,
                    int numAdditionalInts)

growIfNecessary

public static long[] growIfNecessary(long[] array,
                     int minLength,
                     int numAdditionalLongs)