protected void afterStartEventParser(CanalEventParser eventParser) {
        // 读取一下历史订阅的filter信息
        List<ClientIdentity> clientIdentitys = metaManager.listAllSubscribeInfo(destination);
        for (ClientIdentity clientIdentity : clientIdentitys) {
            subscribeChange(clientIdentity);
        }
    }
protected void afterStartEventParser ( CanalEventParser eventParser ) { List < ClientIdentity > clientIdentitys = metaManager . listAllSubscribeInfo ( destination ) ; for ( ClientIdentity clientIdentity : clientIdentitys ) { subscribeChange ( clientIdentity ) ; } }
around event parser, default impl