protected function excludeIneligibleRegions(CubeMetaData $cube, &$eligibleRegionNames, array $requestDimensions, $isExactMatchRequired)
{
// checking each request dimension
foreach ($requestDimensions as $requestDimension) {
$requestDimensionName = $requestDimension->dimensionName;
$requestDimensionLevelName = $requestDimension->levelName;
// checking each eligible region
foreach ($eligibleRegionNames as $eligibleRegionNameIndex => $eligibleRegionName) {
$eligibleRegion = $cube->regions->{$eligibleRegionName};
$isRegionEligible = FALSE;
// is the dimension present in the region?
if (isset($eligibleRegion->dimensions->{$requestDimensionName})) {
$eligibleRegionDimension = $eligibleRegion->dimensions->{$requestDimensionName};
// if levels are defined we need to check if any aggregation is done on required level or any lower level
if (isset($eligibleRegionDimension->levels)) {
$dimension = $cube->findDimension($requestDimensionName);
if (isset($dimension)) {
$matchingLevelName = NULL;
foreach ($dimension->levels as $level) {
$levelName = $level->name;
if (isset($eligibleRegionDimension->levels->{$levelName})) {
$matchingLevelName = $levelName;
}
if ($requestDimensionLevelName === $levelName) {
if (isset($matchingLevelName)) {
if ($isExactMatchRequired) {
if ($requestDimensionLevelName === $matchingLevelName) {
$isRegionEligible = TRUE;
}
} else {
$isRegionEligible = TRUE;
}
}
break;
}
}
}
} else {
$isRegionEligible = TRUE;
}
}
if (!$isRegionEligible) {
unset($eligibleRegionNames[$eligibleRegionNameIndex]);
}
}
}
}
