ch.bind.philib.lang

Class CompareUtil

java.lang.Object

ch.bind.philib.lang.CompareUtil

public final class CompareUtil
extends Object

Provides helper methods for object comparison.

Author:

Philipp Meinen

Method Summary

Methods

Modifier and Type	Method and Description
static <T> int	compare(Comparable<T> a, T b)
static int	compareBool(boolean a, boolean b)
static boolean	equals(Object a, Object b) A null-safe equality checking method. results:
static int	normalize(int diff)
static int	normalize(long diff)

Methods inherited from class java.lang.Object

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

Method Detail

equals

public static boolean equals(Object a,
             Object b)

A null-safe equality checking method.
results:

  a / b | null  | a         |
 ------------------------------
  null  | true  | false       |
     b  | false | a.equals(b) |
 

Parameters:

a - -

b - -

Returns:

see above

compare

public static <T> int compare(Comparable<T> a,
              T b)

compareBool

public static int compareBool(boolean a,
              boolean b)

normalize

public static final int normalize(int diff)

normalize

public static final int normalize(long diff)