davidradl commented on code in PR #27441:
URL: https://github.com/apache/flink/pull/27441#discussion_r2704816254


##########
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/CheckpointCoordinatorDeActivator.java:
##########
@@ -18,35 +18,33 @@
 
 package org.apache.flink.runtime.checkpoint;
 
-import org.apache.flink.api.common.JobID;
 import org.apache.flink.api.common.JobStatus;
+import org.apache.flink.runtime.execution.ExecutionState;
+import org.apache.flink.runtime.executiongraph.ExecutionAttemptID;
+import org.apache.flink.runtime.executiongraph.ExecutionStateUpdateListener;
 import org.apache.flink.runtime.executiongraph.JobStatusListener;
 
-import static org.apache.flink.util.Preconditions.checkNotNull;
-
 /**
  * This actor listens to changes in the JobStatus and activates or deactivates 
the periodic
  * checkpoint scheduler.
  */
-public class CheckpointCoordinatorDeActivator implements JobStatusListener {
-
-    private final CheckpointCoordinator coordinator;
-    private final boolean allTasksOutputNonBlocking;
+public interface CheckpointCoordinatorDeActivator
+        extends JobStatusListener, ExecutionStateUpdateListener {
 
-    public CheckpointCoordinatorDeActivator(
+    static CheckpointCoordinatorDeActivator forJobStatus(
             CheckpointCoordinator coordinator, boolean 
allTasksOutputNonBlocking) {
-        this.coordinator = checkNotNull(coordinator);
-        this.allTasksOutputNonBlocking = allTasksOutputNonBlocking;
+        return (jobId, newJobStatus, timestamp) -> {
+            if (newJobStatus == JobStatus.RUNNING && 
allTasksOutputNonBlocking) {

Review Comment:
   I an curious - should we be checking the new config option here? I thought 
this is the condition we wanted to pause checkpointing for? Am I missing 
something?



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