Examples of oracle.toplink.essentials.internal.queryframework.ContainerPolicy.iteratorFor()

oracle.toplink.essentials.internal.queryframework.ContainerPolicy.iteratorFor()
INTERNAL: Return an iterator for the given container. This iterator can then be used as a parameter to #hasNext() and #next(). @see ContainerPolicy#hasNext(java.lang.Object) @see ContainerPolicy#next(java.lang.Object)

    
                // any mapping in this list must not have indirection.
                Object objectToLock = mapping.getAttributeValueFromObject(objectForClone);
                if (mapping.isCollectionMapping()) {
                    ContainerPolicy cp = mapping.getContainerPolicy();
                    Object iterator = cp.iteratorFor(objectToLock);
                    while (cp.hasNext(iterator)) {
                        Object object = cp.next(iterator, session);
                        if (mapping.getReferenceDescriptor().hasWrapperPolicy()) {
                            object = mapping.getReferenceDescriptor().getWrapperPolicy().unwrapObject(object, session);
                        }

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        if (backup == target) {
            backup = containerPolicy.cloneFor(backup);
        }


        // Handle removed elements.
        for (Object backupIter = containerPolicy.iteratorFor(backup);
                 containerPolicy.hasNext(backupIter);) {
            Object backupElement = containerPolicy.next(backupIter, getSession());


            // The check for delete depends on the type of merge.
            if (shouldMergeWorkingCopyIntoOriginal()) {// Source and backup are the same space.

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                }
            }
        }


        // Handle added elements.
        for (Object sourceIter = containerPolicy.iteratorFor(source);
                 containerPolicy.hasNext(sourceIter);) {
            Object sourceElement = containerPolicy.next(sourceIter, getSession());


            // The target object must be completely merged before adding to the collection
            // otherwise another thread could pick up the partial object.

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                        if ( (nestedQuery!=null) && (nestedQuery.getJoinedAttributeManager()!=null)){
                            if (!mapping.isCollectionMapping()){
                                triggerJoinExpressions(unitOfWork, nestedQuery.getJoinedAttributeManager(), attributeValue);
                            }else {
                                ContainerPolicy cp = ((CollectionMapping)mapping).getContainerPolicy();
                                Object iterator = cp.iteratorFor(attributeValue);
                                while (cp.hasNext(iterator)){
                                    triggerJoinExpressions(unitOfWork, nestedQuery.getJoinedAttributeManager(), cp.next(iterator, unitOfWork));
                                }
                            }
                        }

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