public static void checkOpt(String opt, String key) {
        Preconditions.checkState(!Strings.isNullOrEmpty(opt), "%s must be set!", key);
    }
The utility class of HBase connection

Date: 2019/12/24
Company: www.dtstack.com
@author maqi
hbase/hbase-side/hbase-side-core/src/main/java/com/dtstack/flink/sql/side/hbase/utils/HbaseConfigUtils.java