Examples of org.eclipse.persistence.internal.queries.ContainerPolicy.nextEntry()

Package org.eclipse.persistence.internal.queries

Class org.eclipse.persistence.internal.queries.ContainerPolicy

Examples of org.eclipse.persistence.internal.queries.ContainerPolicy.nextEntry()

org.eclipse.persistence.internal.queries.ContainerPolicy.nextEntry()
INTERNAL: Return the next object on the queue. The iterator is the one returned from #iteratorFor(). In the case of a Map, this will return a MapEntry to allow use of the key @see ContainerPolicy#iteratorFor(java.lang.Object) @see MapContainerPolicy.unwrapIteratorResult(Object object)

    protected ChangeRecord convertToChangeRecord(Object cloneCollection, Object backupCollection, ObjectChangeSet owner, AbstractSession session) {
        ContainerPolicy cp = getContainerPolicy();
        Object cloneIter = cp.iteratorFor(cloneCollection);
        Vector collectionChanges = new Vector(2);
        while (cp.hasNext(cloneIter)) {
            Object entry = cp.nextEntry(cloneIter, session);
            Object aggregateObject = cp.unwrapIteratorResult(entry);
            // For CR#2258 quietly ignore nulls inserted into a collection.
            if (aggregateObject != null) {
                ObjectChangeSet changes = getReferenceDescriptor(aggregateObject.getClass(), session).getObjectBuilder().compareForChange(aggregateObject, null, (UnitOfWorkChangeSet)owner.getUOWChangeSet(), session);
                changes.setNewKey(cp.keyFromIterator(cloneIter));

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        ContainerPolicy containerPolicy = getContainerPolicy();
        Object valueOfSource = getRealCollectionAttributeValueFromObject(source, mergeManager.getSession());
        Object valueOfTarget = containerPolicy.containerInstance(containerPolicy.sizeFor(valueOfSource));
        for (Object sourceValuesIterator = containerPolicy.iteratorFor(valueOfSource);
                 containerPolicy.hasNext(sourceValuesIterator);) {
            Object wrappedSourceValue = containerPolicy.nextEntry(sourceValuesIterator, mergeManager.getSession());
            Object sourceValue = containerPolicy.unwrapIteratorResult(wrappedSourceValue);


            // For some odd reason support for having null in the collection was added. This does not make sense...
            Object originalValue = null;
            if (sourceValue != null) {

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        int index = 0;
        // insert each object one by one
        ContainerPolicy cp = getContainerPolicy();
        for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {
            Object wrappedObject = cp.nextEntry(iter, query.getSession());
            Object object = cp.unwrapIteratorResult(wrappedObject);
            InsertObjectQuery insertQuery = getAndPrepareModifyQueryForInsert(query, object);
            ContainerPolicy.copyMapDataToRow(cp.getKeyMappingDataForWriteQuery(wrappedObject, query.getSession()), insertQuery.getModifyRow());
            if(this.listOrderField != null) {
                insertQuery.getModifyRow().add(this.listOrderField, index++);

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        if (mustDeleteReferenceObjectsOneByOne()) {
            Object objects = getRealCollectionAttributeValueFromObject(query.getObject(), query.getSession());
            ContainerPolicy cp = getContainerPolicy();
            if (this.isCascadeOnDeleteSetOnDatabase && session.isUnitOfWork()) {
                for (Object iterator = cp.iteratorFor(objects); cp.hasNext(iterator);) {
                    Object wrappedObject = cp.nextEntry(iterator, session);
                    Object object = cp.unwrapIteratorResult(wrappedObject);
                    ((UnitOfWorkImpl)session).getCascadeDeleteObjects().add(object);
                }
            }
            for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {

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                    Object object = cp.unwrapIteratorResult(wrappedObject);
                    ((UnitOfWorkImpl)session).getCascadeDeleteObjects().add(object);
                }
            }
            for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {
                Object wrappedObject = cp.nextEntry(iter, session);
                DeleteObjectQuery deleteQuery = new DeleteObjectQuery();
                deleteQuery.setIsExecutionClone(true);
                Map extraData = null;
                if (this.listOrderField != null) {
                    extraData = new DatabaseRecord(1);

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        int index = 0;
        // pre-insert each object one by one
        ContainerPolicy cp = getContainerPolicy();
        for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {
            Object wrappedObject = cp.nextEntry(iter, query.getSession());
            Object object = cp.unwrapIteratorResult(wrappedObject);
            InsertObjectQuery insertQuery = getAndPrepareModifyQueryForInsert(query, object);
            ContainerPolicy.copyMapDataToRow(cp.getKeyMappingDataForWriteQuery(wrappedObject, query.getSession()), insertQuery.getModifyRow());
            if(this.listOrderField != null) {
                insertQuery.getModifyRow().add(this.listOrderField, index++);

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        }
        XPathFragment groupingElements = marshalRecord.openStartGroupingElements(namespaceResolver);
        List extraNamespaces = new ArrayList();
        NamespaceResolver nr = marshalRecord.getNamespaceResolver();
        while (cp.hasNext(iter)) {
            Map.Entry entry = (Map.Entry)cp.nextEntry(iter, session);
            Object key = entry.getKey();
            if (key instanceof QName) {
                QName name = (QName) key;
                String value = entry.getValue().toString();

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        }


        List extraNamespaces = new ArrayList();
        NamespaceResolver nr = recordToModify.getNamespaceResolver();
        for (Object iter = cp.iteratorFor(attributeValue); cp.hasNext(iter);) {
            Map.Entry entry = (Map.Entry)cp.nextEntry(iter, session);
            Object key = entry.getKey();
            if ((key != null) && key instanceof QName) {
                Object value = entry.getValue();
                QName attributeName = (QName) key;
                String namespaceURI = attributeName.getNamespaceURI();

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        Object clonedAttributeValue = containerPolicy.containerInstance(containerPolicy.sizeFor(attributeValue));
        if (isSynchronizeOnMerge) {
            synchronized (attributeValue) {
                for (Object valuesIterator = containerPolicy.iteratorFor(attributeValue);
                         containerPolicy.hasNext(valuesIterator);) {
                    Object wrappedElement = containerPolicy.nextEntry(valuesIterator, unitOfWork);
                    Object cloneValue = buildElementBackupClone(containerPolicy.unwrapIteratorResult(wrappedElement), unitOfWork);
                    containerPolicy.addInto(containerPolicy.keyFromIterator(valuesIterator), cloneValue, clonedAttributeValue, unitOfWork);
                }
            }
        } else {

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                }
            }
        } else {
             for (Object valuesIterator = containerPolicy.iteratorFor(attributeValue);
                     containerPolicy.hasNext(valuesIterator);) {
                Object wrappedElement = containerPolicy.nextEntry(valuesIterator, unitOfWork);
                Object cloneValue = buildElementBackupClone(containerPolicy.unwrapIteratorResult(wrappedElement), unitOfWork);
                containerPolicy.addInto(containerPolicy.keyFromIterator(valuesIterator), cloneValue, clonedAttributeValue, unitOfWork);
            }
        }
        return clonedAttributeValue;

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