net.sf.mmm.util.lang.api

Class HashCodeFunctionSystemIdentity

java.lang.Object

net.sf.mmm.util.lang.api.AbstractHashCodeFunction<Object>

net.sf.mmm.util.lang.api.HashCodeFunctionSystemIdentity

All Implemented Interfaces:

Serializable, HashCodeFunction<Object>

public final class HashCodeFunctionSystemIdentity
extends AbstractHashCodeFunction<Object>
implements Serializable

This is an implementation of HashCodeFunction that delegates to System.identityHashCode(Object) and conforms to EqualsCheckerIsSame.

Since:

4.0.0

Author:

Joerg Hohwiller (hohwille at users.sourceforge.net)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private static HashCodeFunctionSystemIdentity	INSTANCE
private static long	serialVersionUID

Constructor Summary

Constructors

Constructor and Description
HashCodeFunctionSystemIdentity() The constructor.

Method Summary

Modifier and Type	Method and Description
static <V> HashCodeFunction<V>	getInstance()
protected int	hashCodeNotNull(Object value)

Methods inherited from class net.sf.mmm.util.lang.api.AbstractHashCodeFunction

hashCode

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

INSTANCE

private static final HashCodeFunctionSystemIdentity INSTANCE

Constructor Detail

HashCodeFunctionSystemIdentity

public HashCodeFunctionSystemIdentity()

The constructor.

Method Detail

getInstance

public static <V> HashCodeFunction<V> getInstance()

Type Parameters:

V - is the generic type of the result. Typically (and technically) Object.

Returns:

the singleton instance of this HashCodeFunctionSystemIdentity.

hashCodeNotNull

protected int hashCodeNotNull(Object value)

Specified by:

hashCodeNotNull in class AbstractHashCodeFunction<Object>

Parameters:

value - is the object to hash. Will NOT be null.

Returns:

the custom hash code of the given value.

See Also:

AbstractHashCodeFunction.hashCode(Object)