yanghua commented on a change in pull request #6430: [FLINK-8058][Queryable
State]Queryable state should check types
URL: https://github.com/apache/flink/pull/6430#discussion_r205753939
##########
File path:
flink-queryable-state/flink-queryable-state-client-java/src/main/java/org/apache/flink/queryablestate/client/state/serialization/KvStateSerializer.java
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@@ -264,4 +269,39 @@
return null;
}
}
+
+ /**
+ * Serialize a stateDescriptor to bytes[].
+ * @param stateDescriptor the value will be serialized.
+ *
+ * @return The serialized values
+ * @throws IOException On failure during serialization
+ */
+ public static byte[] serializedStateDescriptor(StateDescriptor<?, ?>
stateDescriptor) throws IOException {
+ ByteArrayOutputStream bos = new ByteArrayOutputStream();
+ ObjectOutputStream out = new ObjectOutputStream(bos);
+ out.writeObject(stateDescriptor);
+ out.close();
Review comment:
shall we use `try-with-resource` to make sure the stream can be closed?
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