CoucbaseLite sync Notif

- (void) observeValueForKeyPath:(NSString *)keyPath
                       ofObject:(id)object
                         change:(NSDictionary *)change
                        context:(void *)context
{
   
    // push & pull Action
    if (object == self.pull || object == self.push) {
       
        // レプリケーションモードを取得
        CBLReplicationMode mode;
       
        if (object == self.pull){
            mode = _pull.mode;
        }
        else{
            mode = _push.mode;
        }
       
        LOG(@"mode %d", mode);
        // モードによって動作を変更する
        switch (mode) {
           
            // finish or error
            case kCBLReplicationStopped:{
               
                [self loadAllDocuments];
                break;
            }

            // db offline
            case kCBLReplicationOffline:{
                break;
            }
               
            default:
                // kCBLReplicationActive & kCBLReplicationIdle
                break;
        }
    }
}