Package org.jpox

Examples of org.jpox.StateManager

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        // Null out the key and owner fields if they are nullable
        if (keyMapping.isNullable())
        {
            PersistenceCapable pcOldValue = (PersistenceCapable)oldValue;
            StateManager vsm = om.findStateManager(pcOldValue);
           
            // Null the key field
            vsm.setObjectField(pcOldValue, keyFieldNumber, key, null);
            vsm.replaceField(keyFieldNumber, null, true);
           
            // Null the owner field
            if (ownerFieldNumber >= 0)
            {
                Object oldOwner = vsm.provideField(ownerFieldNumber);
                vsm.setObjectField(pcOldValue, ownerFieldNumber, oldOwner, null);
                vsm.replaceField(ownerFieldNumber, null, true);
            }
            else
            {
                updateValueFk(sm, pcOldValue, null);
            }
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        ObjectManager om = sm.getObjectManager();

        // Null out the key and owner fields if they are nullable
        if (keyMapping.isNullable())
        {
            StateManager vsm = om.findStateManager(oldValue);

            // Check that the value hasn't already been deleted due to being removed from the map
            PersistenceCapable oldValuePC = (PersistenceCapable)oldValue;
            if (!om.getApiAdapter().isDeleted(oldValuePC))
            {
                // Null the key field
                vsm.setObjectField(oldValuePC, keyFieldNumber, key, null);
                vsm.replaceField(keyFieldNumber, null, true);
                vsm.makeDirty(keyFieldNumber);
            }
        }
        // otherwise just delete the item
        else
        {
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     * @return Whether the element contains the owner
     */
    private boolean elementAlreadyContainsOwnerInMtoN(StateManager ownerSM, Object element)
    {
        ObjectManager om = ownerSM.getObjectManager();
        StateManager elementSM = om.findStateManager(element);
        AbstractMemberMetaData[] relatedMmds = ownerMemberMetaData.getRelatedMemberMetaData(om.getClassLoaderResolver());
        Object elementSCO = elementSM.provideField(relatedMmds[0].getAbsoluteFieldNumber());
        if (elementSCO instanceof SCOMtoN)
        {
            // The field is already a SCO wrapper so just query it
            if (contains(ownerSM, element))
            {
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        if (ownerMemberMetaData.getRelationType(clr) == Relation.ONE_TO_MANY_BI &&
            sm.getObjectManager().getOMFContext().getPersistenceConfiguration().getBooleanProperty("org.jpox.manageRelationships"))
        {
            // Managed Relations : make sure we have consistency of relation
            StateManager elementSM = sm.getObjectManager().findStateManager(element);
            if (elementSM != null)
            {
                AbstractMemberMetaData[] relatedMmds = ownerMemberMetaData.getRelatedMemberMetaData(clr);
                Object elementOwner = elementSM.provideField(relatedMmds[0].getAbsoluteFieldNumber());
                if (elementOwner == null)
                {
                    // No owner, so correct it
                    JPOXLogger.JDO.info(LOCALISER.msg("056037",
                        StringUtils.toJVMIDString(sm.getObject()), ownerMemberMetaData.getFullFieldName(),
                        StringUtils.toJVMIDString(elementSM.getObject())));
                    elementSM.replaceField(relatedMmds[0].getAbsoluteFieldNumber(), sm.getObject(), false);
                }
                else if (elementOwner != sm.getObject() && sm.getReferencedPC() == null)
                {
                    // Owner of the element is neither this container nor being attached
                    // Inconsistent owner, so throw exception
                    throw new JPOXUserException(LOCALISER.msg("056038",
                            StringUtils.toJVMIDString(sm.getObject()), ownerMemberMetaData.getFullFieldName(),
                            StringUtils.toJVMIDString(elementSM.getObject()),
                            StringUtils.toJVMIDString(elementOwner)));
                }
            }
        }
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            if (ownerMemberMetaData.getRelationType(clr) == Relation.ONE_TO_MANY_BI &&
                sm.getObjectManager().getOMFContext().getPersistenceConfiguration().getBooleanProperty("org.jpox.manageRelationships"))
            {
                // Managed Relations : make sure we have consistency of relation
                StateManager elementSM = sm.getObjectManager().findStateManager(element);
                if (elementSM != null)
                {
                    AbstractMemberMetaData[] relatedMmds = ownerMemberMetaData.getRelatedMemberMetaData(clr);
                    Object elementOwner = elementSM.provideField(relatedMmds[0].getAbsoluteFieldNumber());
                    if (elementOwner == null)
                    {
                        // No owner, so correct it
                        JPOXLogger.JDO.info(LOCALISER.msg("056037",
                            StringUtils.toJVMIDString(sm.getObject()), ownerMemberMetaData.getFullFieldName(),
                            StringUtils.toJVMIDString(elementSM.getObject())));
                        elementSM.replaceField(relatedMmds[0].getAbsoluteFieldNumber(), sm.getObject(), false);
                    }
                    else if (elementOwner != sm.getObject() && sm.getReferencedPC() == null)
                    {
                        // Owner of the element is neither this container nor its referenced object
                        // Inconsistent owner, so throw exception
                        throw new JPOXUserException(LOCALISER.msg("056038",
                            StringUtils.toJVMIDString(sm.getObject()), ownerMemberMetaData.getFullFieldName(),
                            StringUtils.toJVMIDString(elementSM.getObject()),
                            StringUtils.toJVMIDString(elementOwner)));
                    }
                }
            }
        }
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Related Classes of org.jpox.StateManager

  • org.jpox.jdo.JDOCallbackHandler
  • org.jpox.jdo.JPOXJDOHelper
  • org.jpox.jpa.EntityManagerImpl
  • org.jpox.sco.ArrayList
  • org.jpox.sco.Collection
  • org.jpox.sco.HashMap
  • org.jpox.sco.HashSet
  • org.jpox.sco.Hashtable
  • org.jpox.sco.LinkedHashMap
  • org.jpox.sco.LinkedHashSet
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