net.sf.mmm.util.collection.base

Class CustomHashKey<T>

java.lang.Object

net.sf.mmm.util.collection.base.AbstractHashKey<T>

net.sf.mmm.util.collection.base.CustomHashKey<T>

Type Parameters:

T - is the generic type of the delegate-object.

All Implemented Interfaces:

Serializable

public class CustomHashKey<T>
extends AbstractHashKey<T>

This is a simple wrapper in order to use an object as hash key but with ability to customize equals and hashCode.

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 EqualsChecker<T>	equalsChecker
private HashCodeFunction<T>	hashCodeFunction
private static long	serialVersionUID

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CustomHashKey() The constructor for de-serialization in GWT.
	CustomHashKey(T object, EqualsChecker<T> equalsChecker) The constructor.
	CustomHashKey(T object, EqualsChecker<T> equalsChecker, HashCodeFunction<T> hashCodeFunction) The constructor.

Method Summary

Modifier and Type	Method and Description
protected EqualsChecker<T>	getEqualsChecker()
protected HashCodeFunction<T>	getHashCodeFunction()

Methods inherited from class net.sf.mmm.util.collection.base.AbstractHashKey

equals, getDelegate, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

equalsChecker

private EqualsChecker<T> equalsChecker

hashCodeFunction

private HashCodeFunction<T> hashCodeFunction

Constructor Detail

CustomHashKey

protected CustomHashKey()

The constructor for de-serialization in GWT.

CustomHashKey

public CustomHashKey(T object,
                     EqualsChecker<T> equalsChecker)

The constructor.

Parameters:

object - is the delegate object.

equalsChecker - is the EqualsChecker used to customize AbstractHashKey.equals(Object).

CustomHashKey

public CustomHashKey(T object,
                     EqualsChecker<T> equalsChecker,
                     HashCodeFunction<T> hashCodeFunction)

The constructor.

Parameters:

object - is the delegate object.

equalsChecker - is the EqualsChecker used to customize AbstractHashKey.equals(Object).

hashCodeFunction - is the HashCodeFunction used to customize AbstractHashKey.hashCode().

Method Detail

getEqualsChecker

protected EqualsChecker<T> getEqualsChecker()

Specified by:

getEqualsChecker in class AbstractHashKey<T>

Returns:

the EqualsChecker to use by AbstractHashKey.equals(Object).

getHashCodeFunction

protected HashCodeFunction<T> getHashCodeFunction()

Specified by:

getHashCodeFunction in class AbstractHashKey<T>

Returns:

the HashCodeFunction to use by AbstractHashKey.hashCode().