net.sf.jstuff.integration.persistence

Class HashCodeManager

java.lang.Object

net.sf.jstuff.integration.persistence.HashCodeManager

public final class HashCodeManager
extends Object

Alternative solution to solve: http://stackoverflow.com/questions/5031614/the-jpa-hashcode-equals-dilemma http://stackoverflow.com/questions/4323245/what-is-the-best-practice-when-implementing-equals-for-entities-with-generated http://onjava.com/pub/a/onjava/2006/09/13/dont-let-hibernate-steal-your-identity.html?page=3 https://community.jboss.org/wiki/EqualsandHashCode

Author:

Sebastian Thomschke

Method Summary

Modifier and Type	Method and Description
static int	getManagedIdsCount()
static int	getManagedTrackingIdsCount()
static int	hashCodeFor(Identifiable<?> entity, String trackingId)
static <T> String	onEntityInstantiated(Identifiable<T> entity)
static <T> void	onIdSet(Identifiable<T> entity, String trackingId)

Methods inherited from class java.lang.Object

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

Method Detail

getManagedIdsCount

public static int getManagedIdsCount()

getManagedTrackingIdsCount

public static int getManagedTrackingIdsCount()

hashCodeFor

public static int hashCodeFor(Identifiable<?> entity,
                              String trackingId)

onEntityInstantiated

public static <T> String onEntityInstantiated(Identifiable<T> entity)

Returns:

a new cross-JVM unique hash code tracking id

onIdSet

public static <T> void onIdSet(Identifiable<T> entity,
                               String trackingId)