org.apache.openjpa.kernel
Class DetachedStateAttachStrategy

java.lang.Object
  org.apache.openjpa.kernel.TransferFieldManager
      org.apache.openjpa.kernel.AttachStrategy
          org.apache.openjpa.kernel.DetachedStateAttachStrategy

All Implemented Interfaces:

FieldConsumer, FieldManager, FieldSupplier

 class DetachedStateAttachStrategy
extends AttachStrategy

Handles attaching instances with detached state.

Author:

Marc Prud'hommeaux

Field Summary

Fields inherited from class org.apache.openjpa.kernel.TransferFieldManager

dblval, field, longval, objval

Constructor Summary

DetachedStateAttachStrategy()

Method Summary

Object	attach(AttachManager manager, Object toAttach, ClassMetaData meta, PersistenceCapable into, OpenJPAStateManager owner, ValueMetaData ownerMeta, boolean explicit) Attach.
protected Object	getDetachedObjectId(AttachManager manager, Object toAttach) Return the identity of the given detached instance.
protected void	provideField(Object toAttach, StateManagerImpl sm, int field) Provide the given field into this field manager.

Methods inherited from class org.apache.openjpa.kernel.AttachStrategy

attachCollection, attachField, attachMap, getReference, persist

Methods inherited from class org.apache.openjpa.kernel.TransferFieldManager

clear, fetchBooleanField, fetchByteField, fetchCharField, fetchDoubleField, fetchFloatField, fetchIntField, fetchLongField, fetchObjectField, fetchShortField, fetchStringField, storeBooleanField, storeByteField, storeCharField, storeDoubleField, storeFloatField, storeIntField, storeLongField, storeObjectField, storeShortField, storeStringField

Methods inherited from class java.lang.Object

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

Constructor Detail

DetachedStateAttachStrategy

DetachedStateAttachStrategy()

Method Detail

getDetachedObjectId

protected Object getDetachedObjectId(AttachManager manager,
                                     Object toAttach)

Description copied from class: AttachStrategy

Return the identity of the given detached instance.

Specified by:

getDetachedObjectId in class AttachStrategy

provideField

protected void provideField(Object toAttach,
                            StateManagerImpl sm,
                            int field)

Description copied from class: AttachStrategy

Provide the given field into this field manager.

Specified by:

provideField in class AttachStrategy

attach

public Object attach(AttachManager manager,
                     Object toAttach,
                     ClassMetaData meta,
                     PersistenceCapable into,
                     OpenJPAStateManager owner,
                     ValueMetaData ownerMeta,
                     boolean explicit)

Description copied from class: AttachStrategy

Attach.

Specified by:

attach in class AttachStrategy

Parameters:

manager - manager holding cache of attached instances

toAttach - detached instance

meta - metadata for the instance being attached

into - instance we're attaching into

owner - state manager for into

ownerMeta - field we traversed to find toAttach

explicit - whether to make new instances explicitly persistent