[GitHub] [hudi] xushiyan commented on a diff in pull request #5697: [HUDI-4160] Make database regex of MaxwellJsonKafkaSourcePostProcesso…

[GitBox <gi...@apache.org>]

xushiyan commented on code in PR #5697:
URL: https://github.com/apache/hudi/pull/5697#discussion_r883449090


##########
hudi-utilities/src/main/java/org/apache/hudi/utilities/sources/processor/maxwell/MaxwellJsonKafkaSourcePostProcessor.java:
##########
@@ -49,12 +48,15 @@
  */
 public class MaxwellJsonKafkaSourcePostProcessor extends JsonKafkaSourcePostProcessor {
 
-  private static final Logger LOG = LogManager.getLogger(MaxwellJsonKafkaSourcePostProcessor.class);
-
   private static final ObjectMapper MAPPER = new ObjectMapper();
 
+  private final String databaseRegex;
+  private final String tableRegex;
+
   public MaxwellJsonKafkaSourcePostProcessor(TypedProperties props) {
     super(props);
+    databaseRegex = props.getString(Config.DATABASE_NAME_REGEX_PROP.key(), null);
+    tableRegex = props.getString(Config.TABLE_NAME_REGEX_PROP.key());

Review Comment:
   as a common practice, we should prefer `Option<String>` over `null`



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