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

Package org.eclipse.persistence.internal.queries

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

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

org.eclipse.persistence.internal.queries.ContainerPolicy.containerInstance()
INTERNAL: Return an instance of the container class. Null should never be returned. A ValidationException is thrown on error.

        Vector fieldValues = this.getDescriptor().buildDirectValuesFromFieldValue(fieldValue);
        if (fieldValues == null) {
            if (reuseContainer) {
                Object currentObject = ((XMLRecord) row).getCurrentObject();
                Object container = getAttributeAccessor().getAttributeValueFromObject(currentObject);
                return container != null ? container : cp.containerInstance();
            } else {
                return cp.containerInstance();
            }
        }

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            if (reuseContainer) {
                Object currentObject = ((XMLRecord) row).getCurrentObject();
                Object container = getAttributeAccessor().getAttributeValueFromObject(currentObject);
                return container != null ? container : cp.containerInstance();
            } else {
                return cp.containerInstance();
            }
        }


        Object result = null;
        if (reuseContainer) {

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        Object result = null;
        if (reuseContainer) {
            Object currentObject = ((XMLRecord) row).getCurrentObject();
            Object container = getAttributeAccessor().getAttributeValueFromObject(currentObject);
            result = container != null ? container : cp.containerInstance();
        } else {
            result = cp.containerInstance(fieldValues.size());
        }


        for (Enumeration stream = fieldValues.elements(); stream.hasMoreElements();) {

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        if (reuseContainer) {
            Object currentObject = ((XMLRecord) row).getCurrentObject();
            Object container = getAttributeAccessor().getAttributeValueFromObject(currentObject);
            result = container != null ? container : cp.containerInstance();
        } else {
            result = cp.containerInstance(fieldValues.size());
        }


        for (Enumeration stream = fieldValues.elements(); stream.hasMoreElements();) {
            Object element = stream.nextElement();
            if (hasValueConverter()) {

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        for (Iterator fieldIt = getFields().iterator(); fieldIt.hasNext();) {
            XMLField fld = (XMLField) fieldIt.next();
            XMLField tgtFld = (XMLField) getSourceToTargetKeyFieldAssociations().get(fld);
            Object fieldValue = databaseRow.getValues(fld);
            if ((fieldValue == null) || (fieldValue instanceof String) || !(fieldValue instanceof Vector)) {
                return cp.containerInstance();
            }
            // fix for bug# 5687430
            // need to get the actual type of the target (i.e. int, String, etc.) 
            // and use the converted value when checking the cache.
            XMLConversionManager xmlConversionManager = (XMLConversionManager) executionSession.getDatasourcePlatform().getConversionManager();

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        Object container = null;
        if (reuseContainer) {
            Object currentObject = record.getCurrentObject();
            Object value = getAttributeAccessor().getAttributeValueFromObject(currentObject);
            container = value != null ? value : cp.containerInstance();
        } else {
            container = cp.containerInstance();
        }


        org.w3c.dom.Element root = (Element) record.getDOM();

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        if (reuseContainer) {
            Object currentObject = record.getCurrentObject();
            Object value = getAttributeAccessor().getAttributeValueFromObject(currentObject);
            container = value != null ? value : cp.containerInstance();
        } else {
            container = cp.containerInstance();
        }


        org.w3c.dom.Element root = (Element) record.getDOM();
        NamedNodeMap attributes = root.getAttributes();
        Attr next;

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        }


        // iterate over the changes and merge the collections
        Vector aggregateObjects = ((AggregateCollectionChangeRecord)changeRecord).getChangedValues();
        int size = aggregateObjects.size();
        valueOfTarget = containerPolicy.containerInstance(size);
        // Next iterate over the changes and add them to the container
        ObjectChangeSet objectChanges = null;
        for (int index = 0; index < size; ++index) {
            objectChanges = (ObjectChangeSet)aggregateObjects.elementAt(index);
            Class localClassType = objectChanges.getClassType(session);

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            return;
        }


        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);

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     * Used during building the backup shallow copy to copy the vector without re-registering the target objects.
     */
    public Object buildBackupCloneForPartObject(Object attributeValue, Object clone, Object backup, UnitOfWorkImpl unitOfWork) {
        ContainerPolicy containerPolicy = getContainerPolicy();
        if (attributeValue == null) {
            return containerPolicy.containerInstance(1);
        }


        Object clonedAttributeValue = containerPolicy.containerInstance(containerPolicy.sizeFor(attributeValue));
        if (isSynchronizeOnMerge) {
            synchronized (attributeValue) {

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