Package org.apache.tapestry5.internal.jpa

Class EntityPersistentFieldStrategy

java.lang.Object

org.apache.tapestry5.internal.services.AbstractSessionPersistentFieldStrategy

org.apache.tapestry5.internal.jpa.EntityPersistentFieldStrategy

All Implemented Interfaces:

PersistentFieldStrategy

public class EntityPersistentFieldStrategy
extends AbstractSessionPersistentFieldStrategy

Persists JPA entities by storing their id in the session.

Constructor Summary

Constructors

Constructor	Description
EntityPersistentFieldStrategy(EntityManagerManager entityManagerManager, Request request)

Method Summary

Modifier and Type	Method	Description
java.lang.Object	convertApplicationValueToPersisted(java.lang.Object newValue)	Hook that allows a value to be converted as it is written to the session.
java.lang.Object	convertPersistedToApplicationValue(java.lang.Object persistedValue)	Converts a persisted value stored in the session back into an application value.

Methods inherited from class org.apache.tapestry5.internal.services.AbstractSessionPersistentFieldStrategy

didReadChange, discardChanges, gatherFieldChanges, postChange

Methods inherited from class java.lang.Object

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

Constructor Detail

EntityPersistentFieldStrategy

public EntityPersistentFieldStrategy(EntityManagerManager entityManagerManager,
                                     Request request)

Method Detail

convertApplicationValueToPersisted

public java.lang.Object convertApplicationValueToPersisted(java.lang.Object newValue)

Description copied from class: AbstractSessionPersistentFieldStrategy

Hook that allows a value to be converted as it is written to the session. Passed the new value provided by the application, returns the object to be stored in the session. This implementation simply returns the provided value.

Overrides:

convertApplicationValueToPersisted in class AbstractSessionPersistentFieldStrategy

Parameters:

newValue - non-null value

Returns:

persisted value

See Also:

AbstractSessionPersistentFieldStrategy.convertPersistedToApplicationValue(Object)

convertPersistedToApplicationValue

public java.lang.Object convertPersistedToApplicationValue(java.lang.Object persistedValue)

Description copied from class: AbstractSessionPersistentFieldStrategy

Converts a persisted value stored in the session back into an application value. This implementation returns the persisted value as is.

Overrides:

convertPersistedToApplicationValue in class AbstractSessionPersistentFieldStrategy

Parameters:

persistedValue - non-null persisted value

Returns:

application value

See Also:

AbstractSessionPersistentFieldStrategy.convertPersistedToApplicationValue(Object)