/**
* Looks up a hierarchy in a cube with a given name or, failing that, a
* given unique name. Throws if not found.
*
* @param ICube $cube
* @param string $hierarchyName Name (or unique name) of hierarchy.
*
* @return IHierarchy
* @throws OLAPException on error
*/
private function lookupHierarchy(XMLACube $cube, $hierarchyName)
{
$hierarchy = $cube->getHierarchies()->get($hierarchyName);
if ($hierarchy == null) {
foreach ($cube->getHierarchies() as $hierarchy1) {
if ($hierarchy1->getUniqueName() == $hierarchyName) {
$hierarchy = $hierarchy1;
break;
}
}
if ($hierarchy == null) {
throw new OLAPException("Internal error: hierarchy '" . $hierarchyName . "' not found in cube '" . $cube->getName() . "'");
}
}
return $hierarchy;
}
/**
* Shorthand way to create a Context at Cube level or finer.
*
* @param XMLACube Cube (must not be null)
* @param XMLADimension Dimension (may be null)
* @param XMLAHierarchy Hierarchy (may be null if Dimension is null)
* @param XMLALevel Level (may be null if Hierarchy is null)
*/
public static function createAtGranule(XMLACube $cube, XMLADimension $dimension = NULL, XMLAHierarchy $hierarchy = NULL, XMLALevel $level = NULL)
{
return new XMLAConnectionContext($cube->getSchema()->getCatalog()->getMetadata()->getConnection(), $cube->getSchema()->getCatalog()->getMetadata(), $cube->getSchema()->getCatalog(), $cube->getSchema(), $cube, $dimension, $hierarchy, $level);
}