sebastienviale commented on code in PR #17942:
URL: https://github.com/apache/kafka/pull/17942#discussion_r1928855878
##########
streams/src/main/java/org/apache/kafka/streams/errors/ProductionExceptionHandler.java:
##########
@@ -147,10 +198,174 @@ enum ProductionExceptionHandlerResponse {
}
}
+ /**
+ * Enumeration that describes the response from the exception handler.
+ */
+ enum Result {
+ /** Resume processing.
+ *
+ * <p> For this case, output records which could not be written
successfully are lost.
+ * Use this option only if you can tolerate data loss.
+ */
+ RESUME(0, "RESUME"),
+ /** Fail processing.
+ *
+ * <p> Kafka Streams will raise an exception and the {@code
StreamsThread} will fail.
+ * No offsets (for {@link
org.apache.kafka.streams.StreamsConfig#AT_LEAST_ONCE at-least-once}) or
transactions
+ * (for {@link org.apache.kafka.streams.StreamsConfig#EXACTLY_ONCE_V2
exactly-once}) will be committed.
+ */
+ FAIL(1, "FAIL"),
+ /** Retry the failed operation.
+ *
+ * <p> Retrying might imply that a {@link TaskCorruptedException}
exception is thrown, and that the retry
+ * is started from the last committed offset.
+ *
+ * <p> <b>NOTE:</b> {@code RETRY} is only a valid return value for
+ * {@link org.apache.kafka.common.errors.RetriableException retriable
exceptions}.
+ * If {@code RETRY} is returned for a non-retriable exception it will
be interpreted as {@link #FAIL}.
+ */
+ RETRY(2, "RETRY");
+
+ /**
+ * An english description for the used option. This is for debugging
only and may change.
+ */
+ public final String name;
+
+ /**
+ * The permanent and immutable id for the used option. This can't
change ever.
+ */
+ public final int id;
+
+ Result(final int id, final String name) {
+ this.id = id;
+ this.name = name;
+ }
+
+ /**
+ * Converts the deprecated enum ProductionExceptionHandlerResponse
into the new Result enum.
+ *
+ * @param value the old ProductionExceptionHandlerResponse enum value
+ * @return a {@link ProductionExceptionHandler.Result} enum value
+ * @throws IllegalArgumentException if the provided value does not map
to a valid {@link ProductionExceptionHandler.Result}
+ */
+ private static ProductionExceptionHandler.Result from(final
ProductionExceptionHandlerResponse value) {
+ switch (value) {
+ case FAIL:
+ return Result.FAIL;
+ case CONTINUE:
+ return Result.RESUME;
+ case RETRY:
+ return Result.RETRY;
+ default:
+ throw new IllegalArgumentException("No Result enum found
for old value: " + value);
+ }
+ }
+ }
+
enum SerializationExceptionOrigin {
/** Serialization exception occurred during serialization of the key.
*/
KEY,
/** Serialization exception occurred during serialization of the
value. */
VALUE
}
+
+ /**
+ * Represents the result of handling a production exception.
+ * <p>
+ * The {@code Response} class encapsulates a {@link
ProductionExceptionHandlerResponse},
+ * indicating whether processing should continue or fail, along with an
optional list of
+ * {@link ProducerRecord} instances to be sent to a dead letter queue.
+ * </p>
+ */
+ class Response {
Review Comment:
done
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