Abacn commented on code in PR #38366:
URL: https://github.com/apache/beam/pull/38366#discussion_r3196961928
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examples/java/src/main/java/org/apache/beam/examples/complete/datatokenization/utils/CsvConverters.java:
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@@ -357,45 +354,90 @@ public static class FailsafeElementToJsonFn
@Nullable public final String jsonSchema;
public final String delimiter;
public final TupleTag<FailsafeElement<String, String>> udfDeadletterTag;
- @Nullable private final PCollectionView<String> headersView;
private Counter successCounter =
Metrics.counter(FailsafeElementToJsonFn.class,
SUCCESSFUL_TO_JSON_COUNTER);
private Counter failedCounter =
Metrics.counter(FailsafeElementToJsonFn.class, FAILED_TO_JSON_COUNTER);
FailsafeElementToJsonFn(
- PCollectionView<String> headersView,
String jsonSchema,
String delimiter,
TupleTag<FailsafeElement<String, String>> udfDeadletterTag) {
- this.headersView = headersView;
this.jsonSchema = jsonSchema;
this.delimiter = delimiter;
this.udfDeadletterTag = udfDeadletterTag;
}
@ProcessElement
- public void processElement(ProcessContext context) {
- FailsafeElement<String, String> element = context.element();
+ public void processElement(
+ @Element FailsafeElement<String, String> element,
+ OutputReceiver<FailsafeElement<String, String>> receiver,
+ MultiOutputReceiver multiReceiver) {
+ List<String> header = null;
+ List<String> record =
Arrays.asList(element.getOriginalPayload().split(this.delimiter));
+
+ try {
+ String json = buildJsonString(header, record, this.jsonSchema);
+ receiver.output(FailsafeElement.of(element.getOriginalPayload(),
json));
+ successCounter.inc();
+ } catch (Exception e) {
+ failedCounter.inc();
+ multiReceiver
+ .get(this.udfDeadletterTag)
+ .output(
+ FailsafeElement.of(element)
+ .setErrorMessage(e.getMessage())
+ .setStacktrace(Throwables.getStackTraceAsString(e)));
+ }
+ }
+ }
+
+ public static class FailsafeElementToJsonWithHeadersFn
Review Comment:
> it's anti-pattern
will it be required to define two different DoFns for sideinput used/unused,
or it's still allowed?
We can merge it as is and the discussion can follow.
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