Method SavePolicy

enforcer.go:527–552

SavePolicy saves the current policy (usually after changed with Casbin API) back to file/database.

()

// SavePolicy saves the current policy (usually after changed with Casbin API) back to file/database.
func (e *Enforcer) SavePolicy() error {
	logEntry := e.onLogBeforeEventInSavePolicy()

	if e.IsFiltered() {
		err := errors.New("cannot save a filtered policy")
		e.onLogAfterEventWithError(logEntry, err)
		return err
	}
	if err := e.adapter.SavePolicy(e.model); err != nil {
		e.onLogAfterEventWithError(logEntry, err)
		return err
	}

	e.onLogAfterEventInSavePolicy(logEntry)

	if e.watcher != nil {
		var err error
		if watcher, ok := e.watcher.(persist.WatcherEx); ok {
			err = watcher.UpdateForSavePolicy(e.model)
		} else {
			err = e.watcher.Update()
		}
		return err
	}
	return nil
}

// getDomainTokens extracts domain token names from request and policy definitions.
// Returns empty strings if tokens cannot be found.