Examples of org.datanucleus.store.ObjectProvider.loadField()

Class org.datanucleus.store.ObjectProvider

Examples of org.datanucleus.store.ObjectProvider.loadField()

org.datanucleus.store.ObjectProvider.loadField()
Convenience method to load the specified field if not loaded. @param fieldNumber Absolute field number

                                {
                                    AbstractMemberMetaData elemMmd = mmd.getRelatedMemberMetaData(ownerSM.getObjectManager().getClassLoaderResolver())[0];
                                    Object oldOwner = elemSM.provideField(elemMmd.getAbsoluteFieldNumber());
                                    if (!elemSM.isFieldLoaded(elemMmd.getAbsoluteFieldNumber()))
                                    {
                                        elemSM.loadField(elemMmd.getAbsoluteFieldNumber());
                                    }
                                    if (oldOwner != null)
                                    {
                                        // Remove from old owner collection
                                        ObjectProvider oldOwnerSM = ownerSM.getObjectManager().findObjectProvider(oldOwner);

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            if (newSM != null && relatedMmd != null)
            {
                if (!newSM.isFieldLoaded(relatedMmd.getAbsoluteFieldNumber()))
                {
                    // Load the field in case we need to set the old value
                    newSM.loadField(relatedMmd.getAbsoluteFieldNumber());
                }
                Object newValueFieldValue = newSM.provideField(relatedMmd.getAbsoluteFieldNumber());
                if (newValueFieldValue != pc)
                {
                    RelationshipManager newRelMgr = ec.getRelationshipManager(newSM);

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                {
                    // Old still exists, so make sure its relation is correct
                    if (!oldSM.isFieldLoaded(relatedMmd.getAbsoluteFieldNumber()))
                    {
                        // Load the field in case we need to set the old value
                        oldSM.loadField(relatedMmd.getAbsoluteFieldNumber());
                    }
                    Object oldValueFieldValue = oldSM.provideField(relatedMmd.getAbsoluteFieldNumber());
                    if (oldValueFieldValue == null)
                    {
                        // Set to null so nothing to do

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            if (newSM != null && relatedMmd != null)
            {
                if (!newSM.isFieldLoaded(relatedMmd.getAbsoluteFieldNumber()))
                {
                    // Load the field in case we need to set the link from the old value
                    newSM.loadField(relatedMmd.getAbsoluteFieldNumber());
                }
                Object newValueFieldValue = newSM.provideField(relatedMmd.getAbsoluteFieldNumber());
                if (newValueFieldValue == null)
                {
                    // Was set to null so set to our object

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                    {
                        // Null out the field of the related object of the new value
                        if (!newValueFieldSM.isFieldLoaded(mmd.getAbsoluteFieldNumber()))
                        {
                            // Load the field in case we need to set the link from the old value
                            newValueFieldSM.loadField(mmd.getAbsoluteFieldNumber());
                        }
                        if (NucleusLogger.PERSISTENCE.isDebugEnabled())
                        {
                            NucleusLogger.PERSISTENCE.debug(LOCALISER.msg("013004",
                                    StringUtils.toJVMIDString(newValueFieldValue),

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