Zakelly commented on code in PR #24381:
URL: https://github.com/apache/flink/pull/24381#discussion_r1529761768


##########
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/environment/CheckpointConfig.java:
##########
@@ -177,20 +177,44 @@ public boolean isCheckpointingEnabled() {
      * Gets the checkpointing mode (exactly-once vs. at-least-once).
      *
      * @return The checkpointing mode.
+     * @deprecated Use {@link #getConsistencyMode} instead.
      */
-    public CheckpointingMode getCheckpointingMode() {
+    @Deprecated
+    public org.apache.flink.streaming.api.CheckpointingMode 
getCheckpointingMode() {
         return 
configuration.get(ExecutionCheckpointingOptions.CHECKPOINTING_MODE);
     }
 
     /**
      * Sets the checkpointing mode (exactly-once vs. at-least-once).
      *
      * @param checkpointingMode The checkpointing mode.
+     * @deprecated Use {@link #setConsistencyMode} instead.
      */
-    public void setCheckpointingMode(CheckpointingMode checkpointingMode) {
+    @Deprecated
+    public void setCheckpointingMode(
+            org.apache.flink.streaming.api.CheckpointingMode 
checkpointingMode) {
         configuration.set(ExecutionCheckpointingOptions.CHECKPOINTING_MODE, 
checkpointingMode);
     }
 
+    /**
+     * Gets the checkpointing consistency mode (exactly-once vs. 
at-least-once).
+     *
+     * @return The checkpointing mode.
+     */
+    public CheckpointingMode getConsistencyMode() {

Review Comment:
   @masteryhx  Personally, I'd be fine with name the enum 
`CheckpointingConsistencyMode`, but that's a breaking change and needs more 
discussion. My current plan is to keep the `CheckpointingMode` here, and 
provide API with 'Consistency' in its name just for avoiding conflicts. We will 
reuse the original API name later in 2.0, WDYT?



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