Package com.helger.commons.hashcode

Class HashCodeImplementationRegistry

java.lang.Object

com.helger.commons.hashcode.HashCodeImplementationRegistry

All Implemented Interfaces:

IHashCodeImplementationRegistry

@ThreadSafe
@Singleton
public final class HashCodeImplementationRegistry
extends Object
implements IHashCodeImplementationRegistry

The main registry for the different IHashCodeImplementation implementations.

Author:

Philip Helger

Method Summary

Modifier and Type	Method	Description
<T> IHashCodeImplementation<T>	getBestMatchingHashCodeImplementation(Class<T> aClass)
static int	getHashCode(Object aObj)
static HashCodeImplementationRegistry	getInstance()
static boolean	isInstantiated()
<T> void	registerHashCodeImplementation(Class<T> aClass, IHashCodeImplementation<T> aImpl)	Register a new hashCode implementation
void	reinitialize()
EChange	unregisterHashCodeImplementation(Class<?> aClass)

Methods inherited from class java.lang.Object

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

Method Detail

isInstantiated

public static boolean isInstantiated()

getInstance

@Nonnull
public static HashCodeImplementationRegistry getInstance()

registerHashCodeImplementation

public <T> void registerHashCodeImplementation(@Nonnull
                                               Class<T> aClass,
                                               @Nonnull
                                               IHashCodeImplementation<T> aImpl)

Description copied from interface: IHashCodeImplementationRegistry

Register a new hashCode implementation

Specified by:

registerHashCodeImplementation in interface IHashCodeImplementationRegistry

Type Parameters:

T - Type to register

Parameters:

aClass - The class for which the hashCode implementation is valid

aImpl - The main implementation

unregisterHashCodeImplementation

@Nonnull
public EChange unregisterHashCodeImplementation(@Nonnull
                                                Class<?> aClass)

getBestMatchingHashCodeImplementation

@Nullable
public <T> IHashCodeImplementation<T> getBestMatchingHashCodeImplementation(@Nullable
                                                                            Class<T> aClass)

getHashCode

public static int getHashCode(@Nullable
                              Object aObj)

reinitialize

public void reinitialize()