/** * Initialises a new instance of the cache store given the definition the instance is to be used for. * * This function should prepare any given connections etc. * * @param cache_definition $definition * @return bool */ public function initialise(cache_definition $definition) { $this->definition = $definition; $definition_id = $definition->get_mode() . '/' . $definition->get_component() . '/' . $definition->get_area(); $this->prefix = $this->name . '/data/' . $definition_id . '/'; $this->prefix_lock = $this->name . '/lock/' . $definition_id . '/'; $this->prefix_length = strlen($this->prefix); return true; }