@Override
    public long getCount(String jobClientNodeGroup) {
        return ((Long) new SelectSql(getSqlTemplate())
                .select()
                .columns("count(1)")
                .from()
                .table(getTableName(jobClientNodeGroup))
                .single()).intValue();
    }
@author Robert HG (254963746@qq.com) on 5/20/15.
lts-core/src/main/java/com/github/ltsopensource/queue/mysql/MysqlJobFeedbackQueue.java