org.apache.ibatis.reflection

Class ArrayUtil

java.lang.Object

org.apache.ibatis.reflection.ArrayUtil

public class ArrayUtil
extends Object

Provides hashCode, equals and toString methods that can handle array.

Constructor Summary

Constructors

Constructor and Description
ArrayUtil()

Method Summary

Modifier and Type	Method and Description
static boolean	equals(Object thisObj, Object thatObj) Compares two objects.
static int	hashCode(Object obj) Returns a hash code for obj.
static String	toString(Object obj) If the obj is an array, toString() method of Arrays is called.

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayUtil

public ArrayUtil()

Method Detail

hashCode

public static int hashCode(Object obj)

Returns a hash code for obj.

Parameters:

obj - The object to get a hash code for. May be an array or null.

Returns:

A hash code of obj or 0 if obj is null

equals

public static boolean equals(Object thisObj,
                             Object thatObj)

Compares two objects. Returns true if

• thisObj and thatObj are both null
• thisObj and thatObj are instances of the same type and Object.equals(Object) returns true
• thisObj and thatObj are arrays with the same component type and equals() method of Arrays returns true (not deepEquals())

Parameters:

thisObj - The left hand object to compare. May be an array or null

thatObj - The right hand object to compare. May be an array or null

Returns:

true if two objects are equal; false otherwise.

toString

public static String toString(Object obj)

If the obj is an array, toString() method of Arrays is called. Otherwise Object.toString() is called. Returns "null" if obj is null.

Parameters:

obj - An object. May be an array or null.

Returns:

String representation of the obj.