Mrart commented on code in PR #3336:
URL: https://github.com/apache/flink-cdc/pull/3336#discussion_r1608399656


##########
flink-cdc-connect/flink-cdc-source-connectors/flink-connector-tidb-cdc/src/main/java/org/apache/flink/cdc/connectors/tidb/TDBSourceOptions.java:
##########
@@ -82,10 +90,13 @@ private TDBSourceOptions() {}
                     .withDescription("TiKV GRPC batch scan concurrency");
 
     public static TiConfiguration getTiConfiguration(
-            final String pdAddrsStr, final Map<String, String> options) {
+            final String pdAddrsStr, final String hostMapping, final 
Map<String, String> options) {

Review Comment:
   hostMapping is an optional variable and returns tiConfiguration.Adding a new 
method would increase the complexity of the code. Change to Optional.of(new 
UriHostMapping(hostMapping)).ifPresent(tiConf::setHostMapping);



##########
flink-cdc-connect/flink-cdc-source-connectors/flink-connector-tidb-cdc/src/main/java/org/apache/flink/cdc/connectors/tidb/TDBSourceOptions.java:
##########
@@ -82,10 +90,13 @@ private TDBSourceOptions() {}
                     .withDescription("TiKV GRPC batch scan concurrency");
 
     public static TiConfiguration getTiConfiguration(
-            final String pdAddrsStr, final Map<String, String> options) {
+            final String pdAddrsStr, final String hostMapping, final 
Map<String, String> options) {
         final Configuration configuration = Configuration.fromMap(options);
 
         final TiConfiguration tiConf = 
TiConfiguration.createDefault(pdAddrsStr);
+        if (StringUtils.isNotBlank(hostMapping)) {

Review Comment:
     Optional.of(new 
UriHostMapping(hostMapping)).ifPresent(tiConf::setHostMapping);



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