hera.util

Class ObjectUtils

java.lang.Object

hera.util.ObjectUtils

public class ObjectUtils
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
ObjectUtils()

Method Summary

Modifier and Type	Method and Description
static <T> int	compare(java.lang.Comparable<T> o1, T o2) Compare two object.
static boolean	equal(java.lang.Object obj1, java.lang.Object obj2) Check if two object is equal.
protected static int	getInt(byte[] bytes)
static java.lang.String	guid()
static java.lang.String	guid(java.lang.Object obj) Genrate global unique identifier for obj.
protected static java.lang.String	hex(int value)
static <K> K	nvl(K... objs) Return the first object which is not null.

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectUtils

public ObjectUtils()

Method Detail

getInt

protected static int getInt(byte[] bytes)

hex

protected static java.lang.String hex(int value)

guid

public static java.lang.String guid()

guid

public static java.lang.String guid(java.lang.Object obj)

Genrate global unique identifier for obj.

Parameters:

obj - object to use for generation

Returns:

guid generated guid

equal

public static boolean equal(java.lang.Object obj1,
                            java.lang.Object obj2)

Check if two object is equal.

Parameters:

obj1 - first object to compare

obj2 - second object to compare

Returns:

if equal

compare

public static <T> int compare(java.lang.Comparable<T> o1,
                              T o2)

Compare two object.

Type Parameters:

T - object type

Parameters:

o1 - first object to compare

o2 - second object to compre

Returns:

reulst of comparision

See Also:

Comparable

nvl

public static <K> K nvl(K... objs)

Return the first object which is not null.

Return null, if @{code objs} is null Return null, if all elements in @{code objs} are null

Type Parameters:

K - object type

Parameters:

objs - object array to check

Returns:

found object