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

EntityPersistentFieldStrategy(EntityManagerManager entityManagerManager, Request request)

Method Summary

protected java.lang.Object	convertApplicationValueToPersisted(java.lang.Object newValue) Hook that allows a value to be converted as it is written to the session.
protected 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

protected 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

protected 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)