org.wamblee.persistence
Class JpaDetachable<T>

java.lang.Object
  org.wamblee.persistence.AbstractDetachable<T,Serializable>
      org.wamblee.persistence.JpaDetachable<T>

Type Parameters:

T - Entity type.

All Implemented Interfaces:

Serializable, Detachable<T>

public class JpaDetachable<T>
extends AbstractDetachable<T,Serializable>

Detachable JPA entity.

Author:

Erik Brakkee

See Also:

Serialized Form

Constructor Summary

JpaDetachable(javax.persistence.EntityManager aEntityManager, T aEntity)
Constructs the detachable.

Method Summary

protected Serializable	getReference(T aObject) Obtains the reference for a given object.
protected T	load(Serializable aReference) Loads the object based on a reference.

Methods inherited from class org.wamblee.persistence.AbstractDetachable

detach, get

Methods inherited from class java.lang.Object

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

Constructor Detail

JpaDetachable

public JpaDetachable(javax.persistence.EntityManager aEntityManager,
                     T aEntity)

Constructs the detachable.

Parameters:

aEntity - Entity.

Method Detail

getReference

protected Serializable getReference(T aObject)

Description copied from class: AbstractDetachable

Obtains the reference for a given object.

Specified by:

getReference in class AbstractDetachable<T,Serializable>

Parameters:

aObject - Object.

Returns:

Reference.

load

protected T load(Serializable aReference)

Description copied from class: AbstractDetachable

Loads the object based on a reference.

Specified by:

load in class AbstractDetachable<T,Serializable>

Parameters:

aReference - Reference.

Returns:

Object (may be null ).