Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/1153#discussion_r41029773
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/SuccessfulCheckpoint.java
---
@@ -19,29 +19,28 @@
package org.apache.flink.runtime.checkpoint;
import org.apache.flink.api.common.JobID;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import java.io.Serializable;
+import java.util.ArrayList;
import java.util.List;
/**
* A successful checkpoint describes a checkpoint after all required tasks
acknowledged it (with their state)
* and that is considered completed.
*/
-public class SuccessfulCheckpoint {
-
- private static final Logger LOG =
LoggerFactory.getLogger(SuccessfulCheckpoint.class);
-
+public class SuccessfulCheckpoint implements Serializable {
+
+ private static final long serialVersionUID = -8360248179615702014L;
+
private final JobID job;
private final long checkpointID;
private final long timestamp;
- private final List<StateForTask> states;
-
+ private final ArrayList<StateForTask> states;
--- End diff --
Why changing it to `ArrayList`?
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