*/
namespace Friendica\Core;
+use Friendica\Core\Config\ConfigCache;
+use Friendica\Core\Config\IConfigAdapter;
+use Friendica\Core\Config\IConfigCache;
+
/**
* @brief Arbitrary system configuration storage
*
class Config
{
/**
- * @var Config\IConfigAdapter
+ * @var Config\IConfigAdapter|null
*/
private static $adapter;
/**
* @brief Loads all configuration values of family into a cached storage.
*
- * All configuration values of the system are stored in global cache
- * which is available under the global variable self::$config
+ * All configuration values of the system are stored in the cache ( @see IConfigCache )
*
* @param string $family The category of the configuration value
*
*/
public static function load($family = "config")
{
- if (!isset(self::$adapter)) {
+ if (!isset(self::$adapter) || !self::$adapter->isConnected()) {
return;
}
* ($family) and a key.
*
* Get a particular config value from the given category ($family)
- * and the $key from a cached storage in static::config[$uid].
- * $instore is only used by the set_config function
- * to determine if the key already exists in the DB
- * If a key is found in the DB but doesn't exist in
- * local config cache, pull it into the cache so we don't have
- * to hit the DB again for this item.
+ * and the $key from a cached storage either from the self::$adapter
+ * (@see IConfigAdapter ) or from the static::$cache (@see IConfigCache ).
*
* @param string $family The category of the configuration value
* @param string $key The configuration key to query
*/
public static function get($family, $key, $default_value = null, $refresh = false)
{
- if (!isset(self::$adapter)) {
+ if (!isset(self::$adapter) || !self::$adapter->isConnected()) {
return self::$cache->get($family, $key, $default_value);
}
* @brief Sets a configuration value for system config
*
* Stores a config value ($value) in the category ($family) under the key ($key)
- * for the user_id $uid.
*
* Note: Please do not store booleans - convert to 0/1 integer values!
*
*/
public static function set($family, $key, $value)
{
- if (!isset(self::$adapter)) {
- self::$cache->set($family, $key, $value);
- return true;
+ if (!isset(self::$adapter) || !self::$adapter->isConnected()) {
+ return self::$cache->set($family, $key, $value);
}
return self::$adapter->set($family, $key, $value);
/**
* @brief Deletes the given key from the system configuration.
*
- * Removes the configured value from the stored cache in Config::$config
- * and removes it from the database.
+ * Removes the configured value from the stored cache in self::$config
+ * (@see ConfigCache ) and removes it from the database (@see IConfigAdapter ).
*
* @param string $family The category of the configuration value
* @param string $key The configuration key to delete
*/
public static function delete($family, $key)
{
- if (!isset(self::$adapter)) {
+ if (!isset(self::$adapter) || !self::$adapter->isConnected()) {
self::$cache->delete($family, $key);
}