/**
* Constructs a new instance of 'RootProjectionNode' representing root
* of 'Projection Tree'
*
* @param ResourceSetWrapper $resourceSetWrapper ResourceSetWrapper of
* the resource pointed
* by the resource path.
* @param InternalOrderByInfo $internalOrderByInfo Details of ordering
* to be applied to the
* resource set pointed
* by the resource path.
* @param int $skipCount Number of resources to
* be skipped from the
* resource set pointed
* by the resource path.
* @param int $takeCount Number of resources to
* be taken from the
* resource set pointed
* by the resource path.
* @param int $maxResultCount The maximum limit
* configured for the
* resource set.
* @param ResourceType $baseResourceType Resource type of the
* resource pointed
* by the resource path.
*/
public function __construct(ResourceSetWrapper $resourceSetWrapper, $internalOrderByInfo, $skipCount, $takeCount, $maxResultCount, ResourceType $baseResourceType)
{
$this->_baseResourceType = $baseResourceType;
parent::__construct(null, null, $resourceSetWrapper, $internalOrderByInfo, $skipCount, $takeCount, $maxResultCount);
}
/**
* Recursive metod to build $expand and $select paths for a specified node.
*
* @param string[] &$parentPathSegments Array of path
* segments which leads
* up to (including)
* the segment
* represented by
* $expandedProjectionNode.
* @param string[] &$selectionPaths The string which
* holds projection
* path segment
* seperated by comma,
* On return this argument
* will be updated with
* the selection path
* segments under
* this node.
* @param string[] &$expansionPaths The string which holds
* expansion path segment
* seperated by comma.
* On return this argument
* will be updated with
* the expand path
* segments under
* this node.
* @param ExpandedProjectionNode &$expandedProjectionNode The expanded node for
* which expansion
* and selection path
* to be build.
* @param boolean &$foundSelections On return, this
* argument will hold
* true if any selection
* defined under this node
* false otherwise.
* @param boolean &$foundExpansions On return, this
* argument will hold
* true if any expansion
* defined under this node
* false otherwise.
*
* @return void
*/
private function _buildSelectionAndExpansionPathsForNode(&$parentPathSegments, &$selectionPaths, &$expansionPaths, ExpandedProjectionNode &$expandedProjectionNode, &$foundSelections, &$foundExpansions)
{
$foundSelections = false;
$foundExpansions = false;
$foundSelectionOnChild = false;
$foundExpansionOnChild = false;
$expandedChildrenNeededToBeSelected = array();
foreach ($expandedProjectionNode->getChildNodes() as $childNode) {
if (!$childNode instanceof ExpandedProjectionNode) {
$foundSelections = true;
$this->_appendSelectionOrExpandPath($selectionPaths, $parentPathSegments, $childNode->getPropertyName());
} else {
$foundExpansions = true;
array_push($parentPathSegments, $childNode->getPropertyName());
$this->_buildSelectionAndExpansionPathsForNode($parentPathSegments, $selectionPaths, $expansionPaths, $childNode, $foundSelectionOnChild, $foundExpansionOnChild);
array_pop($parentPathSegments);
if ($childNode->canSelectAllProperties()) {
if ($foundSelectionOnChild) {
$this->_appendSelectionOrExpandPath($selectionPaths, $parentPathSegments, $childNode->getPropertyName() . '/*');
} else {
$expandedChildrenNeededToBeSelected[] = $childNode;
}
}
}
$foundSelections |= $foundSelectionOnChild;
if (!$foundExpansionOnChild) {
$this->_appendSelectionOrExpandPath($expansionPaths, $parentPathSegments, $childNode->getPropertyName());
}
}
if (!$expandedProjectionNode->canSelectAllProperties() || $foundSelections) {
foreach ($expandedChildrenNeededToBeSelected as $childToProject) {
$this->_appendSelectionOrExpandPath($selectionPaths, $parentPathSegments, $childNode->getPropertyName());
$foundSelections = true;
}
}
}