Examples with ObjectProvider org.datanucleus.state.ObjectProvider used on opensource projects

Example 51 with ObjectProvider

use of org.datanucleus.state.ObjectProvider in project datanucleus-core by datanucleus.

the class PersistFieldManager method processElementContainer.

private void processElementContainer(int fieldNumber, Object container, AbstractMemberMetaData mmd) {
    TypeManager typeManager = op.getExecutionContext().getTypeManager();
    ElementContainerHandler<Object, ElementContainerAdapter<Object>> elementContainerHandler = typeManager.getContainerHandler(mmd.getType());
    // Process all elements of the container that are PC
    ElementContainerAdapter containerAdapter = elementContainerHandler.getAdapter(container);
    ApiAdapter api = op.getExecutionContext().getApiAdapter();
    int objectType = elementContainerHandler.getObjectType(mmd);
    if (objectType == ObjectProvider.PC) {
        int elementPosition = 0;
        for (Object element : containerAdapter) {
            if (api.isPersistable(element)) {
                Object newElement = processPersistable(element, -1, objectType);
                ObjectProvider elementSM = op.getExecutionContext().findObjectProvider(newElement);
                if (elementSM.getReferencedPC() != null) {
                    // Must be attaching this element, so swap element (detached -> attached)
                    if (containerAdapter instanceof SequenceAdapter) {
                        ((SequenceAdapter) containerAdapter).update(newElement, elementPosition);
                    } else {
                        containerAdapter.remove(elementSM);
                        containerAdapter.add(newElement);
                    }
                }
            }
            elementPosition++;
        }
    } else {
        // Embedded/Serialized
        for (Object element : containerAdapter) {
            if (api.isPersistable(element)) {
                processPersistable(element, fieldNumber, objectType);
            }
        }
    }
}

Example 52 with ObjectProvider

use of org.datanucleus.state.ObjectProvider in project datanucleus-core by datanucleus.

the class ReachabilityFieldManager method processPersistable.

/**
 * Utility method to process the passed persistable object.
 * @param obj The persistable object
 * @param mmd MetaData for the member storing this object
 */
protected void processPersistable(Object obj, AbstractMemberMetaData mmd) {
    ExecutionContext ec = op.getExecutionContext();
    ObjectProvider objOP = ec.findObjectProvider(obj);
    if (objOP != null) {
        Object objID = objOP.getInternalObjectId();
        if (!reachables.contains(objID) && !objOP.isDeleted()) {
            if (ec.isEnlistedInTransaction(objID)) {
                // This object was enlisted so make sure all of its fields are loaded before continuing
                objOP.loadUnloadedRelationFields();
            }
            // Add this object id since not yet reached
            if (NucleusLogger.PERSISTENCE.isDebugEnabled()) {
                NucleusLogger.PERSISTENCE.debug(Localiser.msg("007000", StringUtils.toJVMIDString(obj), objID, objOP.getLifecycleState()));
            }
            reachables.add(objID);
            // Recurse through relation fields of this object
            ReachabilityFieldManager pcFM = new ReachabilityFieldManager(objOP, reachables);
            int[] relationFieldNums = objOP.getClassMetaData().getRelationMemberPositions(ec.getClassLoaderResolver());
            int[] loadedFieldNumbers = ClassUtils.getFlagsSetTo(objOP.getLoadedFields(), relationFieldNums, true);
            if (loadedFieldNumbers != null && loadedFieldNumbers.length > 0) {
                objOP.provideFields(loadedFieldNumbers, pcFM);
            }
        }
    } else {
        if (NucleusLogger.PERSISTENCE.isDebugEnabled()) {
            NucleusLogger.PERSISTENCE.debug(Localiser.msg("007005", op.getExecutionContext().getApiAdapter().getIdForObject(obj), mmd.getFullFieldName()));
        }
    }
}

Example 53 with ObjectProvider

use of org.datanucleus.state.ObjectProvider in project datanucleus-core by datanucleus.

the class Properties method initialise.

/**
 * Method to initialise the SCO from an existing value.
 * @param m Object to set value using.
 */
public void initialise(java.util.Properties m) {
    if (m != null) {
        // Check for the case of serialised maps, and assign ObjectProviders to any PC keys/values without
        if (SCOUtils.mapHasSerialisedKeysAndValues(ownerMmd) && (ownerMmd.getMap().keyIsPersistent() || ownerMmd.getMap().valueIsPersistent())) {
            ExecutionContext ec = ownerOP.getExecutionContext();
            Iterator iter = m.entrySet().iterator();
            while (iter.hasNext()) {
                Map.Entry entry = (Map.Entry) iter.next();
                Object key = entry.getKey();
                Object value = entry.getValue();
                if (ownerMmd.getMap().keyIsPersistent()) {
                    ObjectProvider objSM = ec.findObjectProvider(key);
                    if (objSM == null) {
                        objSM = ec.getNucleusContext().getObjectProviderFactory().newForEmbedded(ec, key, false, ownerOP, ownerMmd.getAbsoluteFieldNumber());
                    }
                }
                if (ownerMmd.getMap().valueIsPersistent()) {
                    ObjectProvider objSM = ec.findObjectProvider(value);
                    if (objSM == null) {
                        objSM = ec.getNucleusContext().getObjectProviderFactory().newForEmbedded(ec, value, false, ownerOP, ownerMmd.getAbsoluteFieldNumber());
                    }
                }
            }
        }
        if (NucleusLogger.PERSISTENCE.isDebugEnabled()) {
            NucleusLogger.PERSISTENCE.debug(Localiser.msg("023007", ownerOP.getObjectAsPrintable(), ownerMmd.getName(), "" + m.size()));
        }
        delegate.putAll(m);
        isCacheLoaded = true;
    }
}

Example 54 with ObjectProvider

use of org.datanucleus.state.ObjectProvider in project datanucleus-core by datanucleus.

the class Queue method initialise.

public void initialise(java.util.Queue newValue, Object oldValue) {
    if (newValue != null) {
        // Check for the case of serialised PC elements, and assign ObjectProviders to the elements without
        if (SCOUtils.collectionHasSerialisedElements(ownerMmd) && ownerMmd.getCollection().elementIsPersistent()) {
            ExecutionContext ec = ownerOP.getExecutionContext();
            Iterator iter = newValue.iterator();
            while (iter.hasNext()) {
                Object pc = iter.next();
                ObjectProvider objSM = ec.findObjectProvider(pc);
                if (objSM == null) {
                    objSM = ec.getNucleusContext().getObjectProviderFactory().newForEmbedded(ec, pc, false, ownerOP, ownerMmd.getAbsoluteFieldNumber());
                }
            }
        }
        if (NucleusLogger.PERSISTENCE.isDebugEnabled()) {
            NucleusLogger.PERSISTENCE.debug(Localiser.msg("023008", ownerOP.getObjectAsPrintable(), ownerMmd.getName(), "" + newValue.size()));
        }
        // TODO This does clear+addAll : Improve this and work out which elements are added and which deleted
        if (backingStore != null) {
            if (SCOUtils.useQueuedUpdate(ownerOP)) {
                if (ownerOP.isFlushedToDatastore() || !ownerOP.getLifecycleState().isNew()) {
                    ownerOP.getExecutionContext().addOperationToQueue(new CollectionClearOperation(ownerOP, backingStore));
                    for (Object element : newValue) {
                        ownerOP.getExecutionContext().addOperationToQueue(new CollectionAddOperation(ownerOP, backingStore, element));
                    }
                }
            } else {
                backingStore.clear(ownerOP);
                try {
                    backingStore.addAll(ownerOP, newValue, useCache ? 0 : -1);
                } catch (NucleusDataStoreException dse) {
                    NucleusLogger.PERSISTENCE.warn(Localiser.msg("023013", "addAll", ownerMmd.getName(), dse));
                }
            }
        }
        delegate.addAll(newValue);
        isCacheLoaded = true;
        makeDirty();
    }
}

Example 55 with ObjectProvider

use of org.datanucleus.state.ObjectProvider in project datanucleus-core by datanucleus.

the class Set method initialise.

/**
 * Method to initialise the SCO from an existing value.
 * @param c The object to set from
 */
public void initialise(java.util.Set c) {
    if (c != null) {
        // Check for the case of serialised PC elements, and assign ObjectProviders to the elements without
        if (SCOUtils.collectionHasSerialisedElements(ownerMmd) && ownerMmd.getCollection().elementIsPersistent()) {
            ExecutionContext ec = ownerOP.getExecutionContext();
            Iterator iter = c.iterator();
            while (iter.hasNext()) {
                Object pc = iter.next();
                ObjectProvider objSM = ec.findObjectProvider(pc);
                if (objSM == null) {
                    objSM = ec.getNucleusContext().getObjectProviderFactory().newForEmbedded(ec, pc, false, ownerOP, ownerMmd.getAbsoluteFieldNumber());
                }
            }
        }
        if (backingStore != null && useCache && !isCacheLoaded) {
            // Mark as loaded
            isCacheLoaded = true;
        }
        if (NucleusLogger.PERSISTENCE.isDebugEnabled()) {
            NucleusLogger.PERSISTENCE.debug(Localiser.msg("023007", ownerOP.getObjectAsPrintable(), ownerMmd.getName(), "" + c.size()));
        }
        delegate.clear();
        delegate.addAll(c);
    }
}