private function getActionImplementationMap()
{
if ($this->actionMap === null) {
// We can't use PhutilClassMapQuery here because action expansion
// depends on the adapter and object.
$object = $this->getObject();
$map = array();
$all = HeraldAction::getAllActions();
foreach ($all as $key => $action) {
$action = id(clone $action)->setAdapter($this);
if (!$action->supportsObject($object)) {
continue;
}
$subactions = $action->getActionsForObject($object);
foreach ($subactions as $subkey => $subaction) {
if (isset($map[$subkey])) {
throw new Exception(pht('Two HeraldActions (of classes "%s" and "%s") have the same ' . 'action key ("%s") after expansion for an object of class ' . '"%s" inside adapter "%s". Each action must have a unique ' . 'action key.', get_class($subaction), get_class($map[$subkey]), $subkey, get_class($object), get_class($this)));
}
$subaction = id(clone $subaction)->setAdapter($this);
$map[$subkey] = $subaction;
}
}
$this->actionMap = $map;
}
return $this->actionMap;
}
