java8 Collections.sort

Collections.sort(list, (o1, o2) -> {
    if(o1.getFlexAgentId().equals(template.getFlexAgentId())
            && !o2.getFlexAgentId().equals(template.getFlexAgentId())){
        return 1;
    }else if(WeiBoGuideConstant.isWeiboChannel(Long.valueOf(template.getFlexAgentId()))
            && o1.getFlexAgentId().equals(WeiBoGuideConstant.WEIBO_ALL_CHANNEL.toString())
            && !o2.getFlexAgentId().equals(WeiBoGuideConstant.WEIBO_ALL_CHANNEL.toString())){
        return 1;
    }else if(o1.getFlexAgentId().equals("0")
            && !o2.getFlexAgentId().equals("0")){
        return 1;
    }else {
        return -1;
    }
});

Collections.sort(invalidAdList, Comparator.comparing(BillUrlResponse::getHdStartTime).reversed());