Examples of org.datanucleus.ObjectManager.findStateManager()

org.datanucleus.ObjectManager.findStateManager()
Method to find the StateManager for the passed persistable object when it is managed by this manager. @param pc The persistable object @return The StateManager

     * @return The state manager
     */
    public StateManager getStateManagerForEmbeddedPCObject(StateManager sm, Object obj, AbstractMemberMetaData ownerFmd)
    {
        ObjectManager om = sm.getObjectManager();
        StateManager objSM = om.findStateManager(obj);
        if (objSM == null)
        {
            objSM = StateManagerFactory.newStateManagerForEmbedded(om, obj, false);


            objSM.addEmbeddedOwner(sm, ownerFmd.getAbsoluteFieldNumber());

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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

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            return true;
        }
        else
        {
            // Element was already persistent so make sure the FK is in place
            StateManager elementSM = om.findStateManager(element);
            if (getFieldNumberInElementForBidirectional(elementSM) >= 0 &&
                om.getOMFContext().getPersistenceConfiguration().getBooleanProperty("datanucleus.manageRelationships"))
            {
                // Managed Relations : 1-N bidir, so update the owner of the element
                om.getApiAdapter().isLoaded(elementSM, getFieldNumberInElementForBidirectional(elementSM)); // Ensure is loaded

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        if (om.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 = om.findObject(om.getApiAdapter().getIdForObject(element), true, false, element.getClass().getName());
        }
        StateManager elementSM = om.findStateManager(elementToRemove);


        Object oldOwner = null;
        if (ownerFieldNumber >= 0)
        {
            if (!om.getApiAdapter().isDeleted(elementToRemove))

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            om.getOMFContext().getPersistenceConfiguration().getBooleanProperty("datanucleus.manageRelationships"))
        {
            // Managed Relations : 1-N bidirectional so null the owner on the elements
            if (!om.getApiAdapter().isDeleted(element))
            {
                StateManager elementSM = om.findStateManager(element);
                if (elementSM != null)
                {
                    // Null the owner of the element
                    if (NucleusLogger.PERSISTENCE.isDebugEnabled())
                    {

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                {
                    Object element = elementsIter.next();
                    if (om.getApiAdapter().isPersistable(element) && om.getApiAdapter().isDeleted(element))
                    {
                        // Element is waiting to be deleted so flush it (it has the FK)
                        StateManager elementSM = om.findStateManager(element);
                        elementSM.flush();
                    }
                    else
                    {
                        // Element not yet marked for deletion so go through the normal process

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                    if (om != om.getApiAdapter().getObjectManager(newValue))
                    {
                        throw new NucleusUserException(LOCALISER.msg("RDBMS.SCO.Map.WriteValudInvalidWithDifferentPM"), newValuePC.jdoGetObjectId());
                    }


                    StateManager vsm = om.findStateManager(newValue);
                    
                    // Ensure the current owner field is loaded, and replace with new value
                    if (ownerFieldNumber >= 0)
                    {
                        om.getApiAdapter().isLoaded(vsm, ownerFieldNumber);

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                    {
                        throw new NucleusUserException(LOCALISER.msg("056060"),
                            om.getApiAdapter().getIdForObject(pcNewKey));
                    }


                    StateManager vsm = om.findStateManager(pcNewKey);


                    // Ensure the current owner field is loaded, and replace with new key
                    if (ownerFieldNumber >= 0)
                    {
                        om.getApiAdapter().isLoaded(vsm, ownerFieldNumber);

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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);

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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))
            {

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