balint777 / POData

     *

     * @return bool true if the segment was push, false otherwise

     */

    private function _pushSegment($segmentName, ResourceSetWrapper &$resourceSetWrapper)

    {

        $rootProjectionNode = $this->request->getRootProjectionNode();

        if (!is_null($rootProjectionNode)

            && $rootProjectionNode->isExpansionSpecified()

        ) {

            array_push($this->_segmentNames, $segmentName);

            array_push($this->_segmentResourceSetWrappers, $resourceSetWrapper);

            return true;

        }

        return false;

    }

    /**

     * Pops segment information from the 'Segment Stack'

     *

     * @return bool true if the segment was push, false otherwise

     */

    private function _pushSegment($segmentName, ResourceSetWrapper &$resourceSetWrapper)

    {

        $rootProjectionNode = $this->request->getRootProjectionNode();

        // Even though there is no expand in the request URI, still we need to push

        // the segment information if we need to count

        //the number of entities written.

        // After serializing each entity we should check the count to see whether

        // we serialized more entities than configured

        //(page size, maxResultPerCollection).

        // But we will not do this check since library is doing paging and never

        // accumulate entities more than configured.

        //

        // if ((!is_null($rootProjectionNode) && $rootProjectionNode->isExpansionSpecified())

        //    || ($resourceSetWrapper->getResourceSetPageSize() != 0)

        //    || ($this->service->getServiceConfiguration()->getMaxResultsPerCollection() != PHP_INT_MAX)

        //) {}

        if (!is_null($rootProjectionNode)

            && $rootProjectionNode->isExpansionSpecified()

        ) {

            array_push($this->_segmentNames, $segmentName);

            array_push($this->_segmentResourceSetWrappers, $resourceSetWrapper);

            array_push($this->_segmentResultCounts, 0);

            return true;

        }

        return false;

    }

    /**

     * Get next page link from the given entity instance.