[GitHub] [incubator-seatunnel] EricJoy2048 commented on a diff in pull request #3038: [E2E][ST-Engine] Add test data consistency in 3 node cluster and fix bug

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

EricJoy2048 commented on code in PR #3038:
URL: https://github.com/apache/incubator-seatunnel/pull/3038#discussion_r991146012


##########
seatunnel-common/src/main/java/org/apache/seatunnel/common/utils/FileUtils.java:
##########
@@ -80,4 +84,77 @@ public static void createNewFile(String filePath) {
             createParentFile(file);
         }
     }
+
+    /**
+     * return the line number of file
+     *
+     * @param filePath The file need be read
+     * @return
+     */
+    public static Long getFileLineNumber(@NonNull String filePath) {
+        try (LineNumberReader lineNumberReader = new LineNumberReader(new FileReader(filePath))) {
+            lineNumberReader.skip(Long.MAX_VALUE);

Review Comment:
   > 
   
   I will use replace LineNumberReader, because if the file content chars more than Long.MAX_VALUE, it will error.
   
   ```
   try {
           return Files.lines(Paths.get(filePath)).count();
       } catch (IOException e) {
           return -1;
       }
   ```
   



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