loserwang1024 commented on code in PR #3988:
URL: https://github.com/apache/flink-cdc/pull/3988#discussion_r2055819823


##########
flink-cdc-connect/flink-cdc-source-connectors/flink-cdc-base/src/main/java/org/apache/flink/cdc/connectors/base/source/assigner/HybridSplitAssigner.java:
##########
@@ -252,56 +260,106 @@ public void close() throws IOException {
     }
 
     // 
--------------------------------------------------------------------------------------------
-
-    public StreamSplit createStreamSplit() {
-        final List<SchemalessSnapshotSplit> assignedSnapshotSplit =
-                snapshotSplitAssigner.getAssignedSplits().values().stream()
-                        .sorted(Comparator.comparing(SourceSplitBase::splitId))
-                        .collect(Collectors.toList());
-
-        Map<String, Offset> splitFinishedOffsets = 
snapshotSplitAssigner.getSplitFinishedOffsets();
-        final List<FinishedSnapshotSplitInfo> finishedSnapshotSplitInfos = new 
ArrayList<>();
-
-        Offset minOffset = null, maxOffset = null;
-        for (SchemalessSnapshotSplit split : assignedSnapshotSplit) {
-            // find the min and max offset of change log
-            Offset changeLogOffset = splitFinishedOffsets.get(split.splitId());
-            if (minOffset == null || changeLogOffset.isBefore(minOffset)) {
-                minOffset = changeLogOffset;
+    // Overridable methods

Review Comment:
   Why variable is not put into begining? And I don't unstand what's 
Overridable methods meaning here?



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