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

Package org.eclipse.persistence.internal.queries

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

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

org.eclipse.persistence.internal.queries.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)

    public boolean verifyDelete(Object object, AbstractSession session) throws DatabaseException {
        if (this.isPrivateOwned()) {
            Object objects = this.getRealCollectionAttributeValueFromObject(object, session);


            ContainerPolicy containerPolicy = getContainerPolicy();
            for (Object iter = containerPolicy.iteratorFor(objects); containerPolicy.hasNext(iter);) {
                if (!session.verifyDelete(containerPolicy.next(iter, session))) {
                    return false;
                }
            }
        }

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        Object objects = this.getRealCollectionAttributeValueFromObject(query.getObject(), query.getSession());


        // insert each object one by one
        ContainerPolicy cp = this.getContainerPolicy();
        for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {
            Object object = cp.next(iter, query.getSession());
            if (this.isPrivateOwned()) {
                // no need to set changeSet as insert is a straight copy
                InsertObjectQuery insertQuery = new InsertObjectQuery();
                insertQuery.setIsExecutionClone(true);

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        // otherwise, delete the reference objects one by one
        if (this.hasCustomDeleteAllQuery()) {
            this.deleteAll(query, referenceObjects);
        } else {
            ContainerPolicy cp = this.getContainerPolicy();
            for (Object iter = cp.iteratorFor(referenceObjects); cp.hasNext(iter);) {
                DeleteObjectQuery deleteQuery = new DeleteObjectQuery();
                deleteQuery.setIsExecutionClone(true);
                deleteQuery.setObject(cp.next(iter, query.getSession()));
                deleteQuery.setCascadePolicy(query.getCascadePolicy());
                query.getSession().executeQuery(deleteQuery);

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        ContainerPolicy cp = this.getContainerPolicy();


        // if privately-owned parts have their privately-owned sub-parts, delete them one by one;
        // else delete everything in one shot
        if (this.mustDeleteReferenceObjectsOneByOne()) {
            for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {
                DeleteObjectQuery deleteQuery = new DeleteObjectQuery();
                deleteQuery.setIsExecutionClone(true);
                deleteQuery.setObject(cp.next(iter, query.getSession()));
                deleteQuery.setCascadePolicy(query.getCascadePolicy());
                query.getSession().executeQuery(deleteQuery);

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        Object objects = this.getRealCollectionAttributeValueFromObject(query.getObject(), query.getSession());


        // insert each object one by one
        ContainerPolicy cp = this.getContainerPolicy();
        for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {
            Object object = cp.next(iter, query.getSession());
            if (this.isPrivateOwned()) {
                // no need to set changeset here as insert is just a copy of the object anyway
                InsertObjectQuery insertQuery = new InsertObjectQuery();
                insertQuery.setIsExecutionClone(true);

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    protected void deleteReferenceObjectsLeftOnDatabase(DeleteObjectQuery query) throws DatabaseException, OptimisticLockException {
        Object objects = this.readPrivateOwnedForObject(query);


        // delete all these objects one by one
        ContainerPolicy cp = this.getContainerPolicy();
        for (Object iter = cp.iteratorFor(objects); cp.hasNext(iter);) {
            query.getSession().deleteObject(cp.next(iter, query.getSession()));
        }
    }


    /**

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        // extract the keys from the objects
        Object attributeValue = this.getRealCollectionAttributeValueFromObject(object, session);
        Vector nestedRows = new Vector(cp.sizeFor(attributeValue));


        if (getForeignKeyGroupingElement() != null) {
            for (Object iter = cp.iteratorFor(attributeValue); cp.hasNext(iter);) {
                XMLRecord nestedRow = this.extractKeyRowFromReferenceObject(cp.next(iter, session), session, (XMLRecord)row);
                nestedRows.addElement(nestedRow);
            }
            row.add(this.getForeignKeyGroupingElement(), nestedRows);
        } else {

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            }
            row.add(this.getForeignKeyGroupingElement(), nestedRows);
        } else {
            DatabaseField singleField = (DatabaseField)getSourceForeignKeyFields().get(0);
            DatabaseField pkField = (DatabaseField)getSourceForeignKeysToTargetKeys().get(singleField);
            for (Object iter = cp.iteratorFor(attributeValue); cp.hasNext(iter);) {
                Object singleValue = getReferenceDescriptor().getObjectBuilder().extractValueFromObjectForField(cp.next(iter, session), pkField, session);
                row.add(singleField, singleValue);
            }
        }
    }

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        ContainerPolicy cp = getContainerPolicy();
        Object collection = xmlCompositeCollectionMapping.getAttributeAccessor().getAttributeValueFromObject(object);
        if (null == collection) {
            return false;
        }
        Object iterator = cp.iteratorFor(collection);
        if (cp.hasNext(iterator)) {
            XPathFragment groupingFragment = marshalRecord.openStartGroupingElements(namespaceResolver);
            marshalRecord.closeStartGroupingElements(groupingFragment);
        } else {
            return false;

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        Object collection = xmlCollectionReferenceMapping.getAttributeAccessor().getAttributeValueFromObject(object);
        if (collection == null) {
            return false;
        }


        Object iterator = cp.iteratorFor(collection);
        if (cp.hasNext(iterator)) {
            XPathFragment groupingFragment = marshalRecord.openStartGroupingElements(namespaceResolver);
            marshalRecord.closeStartGroupingElements(groupingFragment);
        } else {
            return false;

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