| public get ( string $id, boolean $throwException = true ) : object | null | ||
| $id | string | component ID (e.g. `db`). |
| $throwException | boolean | whether to throw an exception if `$id` is not registered with the locator before. |
| Результат | object | null | the component of the specified ID. If `$throwException` is false and `$id` is not registered before, null will be returned. |
public function get($id, $throwException = true)
{
if (isset($this->_components[$id])) {
return $this->_components[$id];
}
if (isset($this->_definitions[$id])) {
$definition = $this->_definitions[$id];
if (is_object($definition) && !$definition instanceof Closure) {
return $this->_components[$id] = $definition;
} else {
return $this->_components[$id] = Yii::createObject($definition);
}
} elseif ($throwException) {
throw new InvalidConfigException("Unknown component ID: {$id}");
} else {
return null;
}
} protected function runTasks()
{
foreach ($this->_tasks as $k => $id) {
Console::output(sprintf('Running task "%s" (%d/%d)', $id, $k + 1, count($this->_tasks)));
$result = $this->_container->get("tasks.{$id}")->run($this->_container, $this);
if ($result === false) {
Console::error(sprintf('Task "%s" failed.', $id));
return false;
}
}
return true;
}
