com.oracle.common.base

Class NaturalHasher<V>

java.lang.Object

com.oracle.common.base.NaturalHasher<V>

Type Parameters:

V - the value type

All Implemented Interfaces:

Hasher<V>

public class NaturalHasher<V>
extends Object
implements Hasher<V>

NaturalHasher provides a Hasher implementation based upon an object's internal hashCode and equals implementation.

Author:

mf 2011.01.07

Field Summary

Fields

Modifier and Type	Field and Description
static NaturalHasher	INSTANCE A singleton instance of the NaturalHasher.

Constructor Summary

Constructors

Constructor and Description
NaturalHasher()

Method Summary

Modifier and Type	Method and Description
boolean	equals(V va, V vb) Compare two objects for equality.
int	hashCode(V o) Return a hash for the specified object.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.oracle.common.base.Hasher

mod, mod

Field Detail

INSTANCE

public static final NaturalHasher INSTANCE

A singleton instance of the NaturalHasher.

Constructor Detail

NaturalHasher

public NaturalHasher()

Method Detail

hashCode

public int hashCode(V o)

Return a hash for the specified object.

Specified by:

hashCode in interface Hasher<V>

Parameters:

o - the object to hash

Returns:

the hash

equals

public boolean equals(V va,
                      V vb)

Compare two objects for equality.

Specified by:

equals in interface Hasher<V>

Parameters:

va - the first object to compare

vb - the second object to compare

Returns:

true iff the object are equal