Examples of org.jpox.StateManager.provideField()

org.jpox.StateManager.provideField()
Method to return the current value of the specified field. @param fieldNumber (absolute) field number of the field @return The current value

                    posMapping[j] = param[n++];
                }


                // Retrieve value of field from Embedded StateManager
                int embAbsFieldNum = embCmd.getAbsolutePositionOfMember(mapping.getFieldMetaData().getName());
                Object fieldValue = embSM.provideField(embAbsFieldNum);


                if (mapping instanceof EmbeddedPCMapping)
                {
                    mapping.setObject(om, ps, posMapping, fieldValue, embSM, embAbsFieldNum);
                }

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        {
            if (relationType == Relation.ONE_TO_ONE_BI)
            {
                StateManager otherSM = sm.getObjectManager().findStateManager(pc);
                AbstractMemberMetaData relatedMmd = fmd.getRelatedMemberMetaDataForObject(clr, sm.getObject(), pc);
                Object relatedValue = otherSM.provideField(relatedMmd.getAbsoluteFieldNumber());
                if (relatedValue == null)
                {
                    // Managed Relations : Other side not set so update it in memory
                    if (JPOXLogger.PERSISTENCE.isDebugEnabled())
                    {

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                // TODO Make sure we have this PC in the collection at the other side
                StateManager otherSM = sm.getObjectManager().findStateManager(pc);
                if (otherSM != null)
                {
                    // Managed Relations : add to the collection on the other side
                    Collection relatedColl = (Collection)otherSM.provideField(relatedMmds[0].getAbsoluteFieldNumber());
                    if (relatedColl != null && !(relatedColl instanceof SCOCollection))
                    {
                        // TODO Make sure the collection is a wrapper
                        boolean contained = relatedColl.contains(sm.getObject());
                        if (!contained)

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                        else
                        {
                            // Managed Relations : remove element from collection/map
                            if (relatedMmds[0].hasCollection())
                            {
                                Collection otherColl = (Collection)otherSM.provideField(relatedMmds[0].getAbsoluteFieldNumber());
                                if (otherColl != null)
                                {
                                    // TODO Remove from any cached SCO collection
                                }
                            }

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                    else
                    {
                        // Managed Relations : remove element from collection/map
                        if (relatedMmds[0].hasCollection())
                        {
                            Collection otherColl = (Collection)otherSM.provideField(relatedMmds[0].getAbsoluteFieldNumber());
                            if (otherColl != null)
                            {
                                // TODO Add log message
                                otherColl.remove(sm.getObject());
                            }

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            if (getFieldNumberInElementForBidirectional(elementSM) >= 0 &&
                om.getOMFContext().getPersistenceConfiguration().getBooleanProperty("org.jpox.manageRelationships"))
            {
                // Managed Relations : 1-N bidir, so update the owner of the element
                om.getApiAdapter().isLoaded(elementSM, getFieldNumberInElementForBidirectional(elementSM)); // Ensure is loaded
                Object oldOwner = elementSM.provideField(getFieldNumberInElementForBidirectional(elementSM));
                if (oldOwner != newOwner)
                {
                    if (JPOXLogger.PERSISTENCE.isDebugEnabled())
                    {
                        JPOXLogger.PERSISTENCE.debug(

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

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        {
            // Version stored in a normal field
            // TODO Should only do this if the version was just retrieved
            versionFieldNumber = acmd.getMetaDataForMember(vermd.getFieldName()).getAbsoluteFieldNumber();
            StateManager objSM = om.findStateManager(obj);
            Object verFieldValue = objSM.provideField(versionFieldNumber);
            if (verFieldValue != null)
            {
                objSM.setVersion(verFieldValue);
            }
        }

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                StateManager elementSM = sm.getObjectManager().findStateManager(element);
                if (elementSM != null)
                {
                    AbstractMemberMetaData[] relatedMmds = ownerMemberMetaData.getRelatedMemberMetaData(clr);
                    // TODO Cater for more than 1 related field
                    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(),

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                    // Ensure the current owner field is loaded, and replace with new value
                    if (ownerFieldNumber >= 0)
                    {
                        om.getApiAdapter().isLoaded(vsm, ownerFieldNumber);
                        Object oldOwner = vsm.provideField(ownerFieldNumber);
                        vsm.setObjectField(newValuePC, ownerFieldNumber, oldOwner, newOwner);
                    }
                    else
                    {
                        updateValueFk(sm, newValue, newOwner);

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