/**
* Initializes the application component.
* This method overrides the parent implementation by establishing the database connection.
*/
public function init()
{
parent::init();
$this->db = Instance::ensure($this->db, Connection::className());
$this->db->getCollection($this->itemTable)->createIndex(['name' => 1], ['unique' => true]);
$this->db->getCollection($this->ruleTable)->createIndex(['name' => 1], ['unique' => true]);
}
/**
* Initializes the DbMessageSource component.
* This method will initialize the [[db]] property to make sure it refers to a valid DB connection.
* Configured [[cache]] component would also be initialized.
*
* @throws InvalidConfigException if [[db]] is invalid or [[cache]] is invalid.
*/
public function init()
{
parent::init();
$this->db = Instance::ensure($this->db, Connection::className());
if ($this->enableCaching) {
$this->cache = Instance::ensure($this->cache, Cache::className());
}
}
public function init()
{
$this->db = Instance::ensure($this->db, Connection::className());
}
/**
* Fetches associated file collection from stream options.
* @return Collection file collection instance.
* @throws InvalidConfigException on invalid stream options.
*/
private function fetchCollection()
{
$contextOptions = $this->getContextOptions();
if (isset($contextOptions[$this->protocol]['collection'])) {
$collection = $contextOptions[$this->protocol]['collection'];
if ($collection instanceof Collection) {
throw new InvalidConfigException('"collection" context option should be an instance of "' . Collection::className() . '"');
}
return $collection;
}
if (isset($contextOptions[$this->protocol]['db'])) {
$connection = $contextOptions[$this->protocol]['db'];
} else {
$connection = 'mongodb';
}
/* @var $connection Connection */
$connection = Instance::ensure($connection, Connection::className());
list($databaseName, $collectionPrefix) = explode('.', $this->namespace, 2);
return $connection->getDatabase($databaseName)->getFileCollection($collectionPrefix);
}
