Package org.datanucleus.store

Examples of org.datanucleus.store.ObjectProvider

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        if (ec.getApiAdapter().isDetached(element)) // User passed in detached object to collection.remove()!
        {
            // Find an attached equivalent of this detached object (DON'T attach the object itself)
            elementToRemove = ec.findObject(ec.getApiAdapter().getIdForObject(element), true, false, element.getClass().getName());
        }
        ObjectProvider elementSM = ec.findObjectProvider(elementToRemove);

        Object oldOwner = null;
        if (ownerFieldNumber >= 0)
        {
            if (!ec.getApiAdapter().isDeleted(elementToRemove))
            {
                // Find the existing owner if the record hasn't already been deleted
                ec.getApiAdapter().isLoaded(elementSM, ownerFieldNumber);
                oldOwner = elementSM.provideField(ownerFieldNumber);
            }
        }
        else
        {
            // TODO Check if the element is managed by a different owner now
        }

        // Owner of the element has been changed
        if (ownerFieldNumber >= 0 && oldOwner != ownerSM.getObject() && oldOwner != null)
        {
            return false;
        }

        boolean deleteElement = checkRemovalOfElementShouldDelete(ownerSM);
        if (deleteElement)
        {
            if (ec.getApiAdapter().isPersistable(elementToRemove) && ec.getApiAdapter().isDeleted(elementToRemove))
            {
                // Element is waiting to be deleted so flush it (it has the FK)
                elementSM.flush();
            }
            else
            {
                // Element not yet marked for deletion so go through the normal process
                ec.deleteObjectInternal(elementToRemove);
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        {
            // TODO Move this into RelationshipManager
            // Managed Relations : 1-N bidirectional so null the owner on the elements
            if (!ec.getApiAdapter().isDeleted(element))
            {
                ObjectProvider elementSM = ec.findObjectProvider(element);
                if (elementSM != null)
                {
                    // Null the owner of the element
                    if (NucleusLogger.PERSISTENCE.isDebugEnabled())
                    {
                        NucleusLogger.PERSISTENCE.debug(LOCALISER.msg("055010",
                            ownerSM.toPrintableID(),
                            ownerMemberMetaData.getFullFieldName(),
                            StringUtils.toJVMIDString(element)));
                    }

                    int relatedFieldNumber = getFieldNumberInElementForBidirectional(elementSM);
                    Object currentValue = elementSM.provideField(relatedFieldNumber);
                    if (currentValue != null)
                    {
                        elementSM.replaceFieldMakeDirty(relatedFieldNumber, null);
                        if (ec.isFlushing())
                        {
                            // Make sure this change gets flushed
                            elementSM.flush();
                        }
                    }
                }
            }
        }
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                {
                    Object element = elementsIter.next();
                    if (ec.getApiAdapter().isPersistable(element) && ec.getApiAdapter().isDeleted(element))
                    {
                        // Element is waiting to be deleted so flush it (it has the FK)
                        ObjectProvider elementSM = ec.findObjectProvider(element);
                        elementSM.flush();
                    }
                    else
                    {
                        // Element not yet marked for deletion so go through the normal process
                        ec.deleteObjectInternal(element);
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                    Map.Entry entry = (Map.Entry)iter.next();
                    Object key = entry.getKey();
                    Object value = entry.getValue();
                    if (fmd.getMap().keyIsPersistent())
                    {
                        ObjectProvider objSM = ec.findObjectProvider(key);
                        if (objSM == null)
                        {
                            objSM = ObjectProviderFactory.newForEmbedded(ec, key, false, ownerSM, fieldNumber);
                        }
                    }
                    if (fmd.getMap().valueIsPersistent())
                    {
                        ObjectProvider objSM = ec.findObjectProvider(value);
                        if (objSM == null)
                        {
                            objSM = ObjectProviderFactory.newForEmbedded(ec, value, false, ownerSM, fieldNumber);
                        }
                    }
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                ExecutionContext ec = ownerSM.getExecutionContext();
                Iterator iter = c.iterator();
                while (iter.hasNext())
                {
                    Object pc = iter.next();
                    ObjectProvider objSM = ec.findObjectProvider(pc);
                    if (objSM == null)
                    {
                        objSM = ObjectProviderFactory.newForEmbedded(ec, pc, false, ownerSM, fieldNumber);
                    }
                }
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                    Map.Entry entry = (Map.Entry)iter.next();
                    Object key = entry.getKey();
                    Object value = entry.getValue();
                    if (fmd.getMap().keyIsPersistent())
                    {
                        ObjectProvider objSM = ec.findObjectProvider(key);
                        if (objSM == null)
                        {
                            objSM = ObjectProviderFactory.newForEmbedded(ec, key, false, ownerSM, fieldNumber);
                        }
                    }
                    if (fmd.getMap().valueIsPersistent())
                    {
                        ObjectProvider objSM = ec.findObjectProvider(value);
                        if (objSM == null)
                        {
                            objSM = ObjectProviderFactory.newForEmbedded(ec,  value, false, ownerSM, fieldNumber);
                        }
                    }
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     * @param pc the object to verify the status
     * @return true if this instance is inserting.
     */
    public boolean isInserting(Object pc)
    {
        ObjectProvider sm = findObjectProvider(pc);
        if (sm == null)
        {
            return false;
        }
        return sm.isInserting();
    }
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    /**
     * @param persist persists the object if not yet persisted.
     */
    public ObjectProvider findObjectProvider(Object pc, boolean persist)
    {
        ObjectProvider sm = findObjectProvider(pc);
        if (sm == null && persist)
        {
            int objectType = ObjectProvider.PC;
            Object object2 = persistObjectInternal(pc, null, null, -1, objectType);
            sm = findObjectProvider(object2);
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        return sm;
    }

    public ObjectProvider findObjectProviderForEmbedded(Object value, ObjectProvider owner, AbstractMemberMetaData mmd)
    {
        ObjectProvider embeddedSM = findObjectProvider(value);
        if (embeddedSM == null)
        {
            // Assign a StateManager to manage our embedded object
            embeddedSM = ObjectProviderFactory.newForEmbedded(this, value, false, owner,
                owner.getClassMetaData().getMetaDataForMember(mmd.getName()).getAbsoluteFieldNumber());
        }
        if (embeddedSM.getEmbeddedOwners() == null || embeddedSM.getEmbeddedOwners().length == 0)
        {
            int absoluteFieldNumber = owner.getClassMetaData().getMetaDataForMember(mmd.getName()).getAbsoluteFieldNumber();
            embeddedSM.addEmbeddedOwner(owner, absoluteFieldNumber);
            embeddedSM.setPcObjectType(ObjectProvider.EMBEDDED_PC);
        }
        return embeddedSM;
    }
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                        AbstractClassMetaData cmd = getMetaDataManager().getMetaDataForClass(obj.getClass(), clr);
                        if (cmd.getIdentityType() == IdentityType.APPLICATION)
                        {
                            Object transientId = api.getNewApplicationIdentityObjectId(obj, cmd);
                            Object existingObj = findObject(transientId, true, true, cmd.getFullClassName());
                            ObjectProvider existingOP = findObjectProvider(existingObj);
                            ((StateManager)existingOP).attach(obj);
                            id = transientId;
                            merged = true;
                            persistedPc = existingObj;
                        }
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Related Classes of org.datanucleus.store.ObjectProvider

  • org.datanucleus.api.jdo.JDOCallbackHandler
  • org.datanucleus.api.jdo.NucleusJDOHelper
  • org.datanucleus.api.jpa.JPAEntityManager
  • org.datanucleus.api.jpa.JPAEntityManagerFactory
  • org.datanucleus.ObjectManagerImpl
  • org.datanucleus.query.evaluator.memory.InMemoryExpressionEvaluator
  • org.datanucleus.state.RelationshipManagerImpl
  • org.datanucleus.store.fieldmanager.AttachFieldManager
  • org.datanucleus.store.fieldmanager.DeleteFieldManager
  • org.datanucleus.store.fieldmanager.ReachabilityFieldManager
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