public static function updateAttribute($classIdentifier, $newAttributeXPath)
{
$contentClass = eZContentClass::fetchByIdentifier($classIdentifier);
if (!$contentClass) {
throw new Exception("Failed to instantiate content class [" . $classIdentifier . "]");
}
$newAttributeIdentifier = trim($newAttributeXPath->query("//newattribute/identifier")->item(0)->nodeValue);
$classDataMap = $contentClass->attribute('data_map');
if (!isset($classDataMap[$newAttributeIdentifier])) {
// attribute is not set in the class, so add it to the class
$classAttributeID = AttributeFunctions::addAttributeToClass($contentClass, $newAttributeXPath);
// update all the objects with the new attribute
AttributeFunctions::updateContentObjectAttributes($contentClass, $classAttributeID, $newAttributeIdentifier);
} else {
// in case we're repairing an attribute that was added in the ui and
// timed out before all the objects were updated
$classAttributeID = $classDataMap[$newAttributeIdentifier]->attribute('id');
AttributeFunctions::updateContentObjectAttributes($contentClass, $classAttributeID, $newAttributeIdentifier);
}
}
