Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/4364#discussion_r128196611
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/restart/ExecutionGraphRestartCallback.java
---
@@ -19,27 +19,33 @@
package org.apache.flink.runtime.executiongraph.restart;
import org.apache.flink.runtime.executiongraph.ExecutionGraph;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.util.concurrent.Callable;
-
-class ExecutionGraphRestarter {
- private static final Logger LOG =
LoggerFactory.getLogger(ExecutionGraphRestarter.class);
- public static Callable<Object> restartWithDelay(final ExecutionGraph
executionGraph, final long delayBetweenRestartAttemptsInMillis) {
- return new Callable<Object>() {
- @Override
- public Object call() throws Exception {
- try {
- LOG.info("Delaying retry of job
execution for {} ms ...", delayBetweenRestartAttemptsInMillis);
- // do the delay
-
Thread.sleep(delayBetweenRestartAttemptsInMillis);
- } catch(InterruptedException e) {
- // should only happen on shutdown
- }
- executionGraph.restart();
- return null;
- }
- };
+
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import static org.apache.flink.util.Preconditions.checkNotNull;
+
+/**
+ * A {@link RestartCallback} that abstracts restart calls on an {@link
ExecutionGraph}.
+ *
--- End diff --
Please remove the trailing space.
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