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https://issues.apache.org/jira/browse/BEAM-5638?focusedWorklogId=151818&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-151818
]
ASF GitHub Bot logged work on BEAM-5638:
----------------------------------------
Author: ASF GitHub Bot
Created on: 05/Oct/18 19:36
Start Date: 05/Oct/18 19:36
Worklog Time Spent: 10m
Work Description: reuvenlax commented on a change in pull request #6586:
[BEAM-5638] Exception handling for Java single message transforms
URL: https://github.com/apache/beam/pull/6586#discussion_r223117715
##########
File path:
sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/MapElements.java
##########
@@ -162,4 +171,89 @@ public void populateDisplayData(DisplayData.Builder
builder) {
builder.include("fn", (HasDisplayData) originalFnForDisplayData);
}
}
+
+ /**
+ * Sets a {@link TupleTag} to associate with successes, converting this
{@link PTransform} into
+ * one that returns a {@link PCollectionTuple}. This allows you to make
subsequent {@link
+ * WithFailures#withFailureTag(TupleTag, Class, Class[])} calls to capture
thrown exceptions to
+ * failure collections.
+ */
+ public WithFailures withSuccessTag(TupleTag<OutputT> successTag) {
+ return new WithFailures(successTag, TaggedExceptionsList.empty());
+ }
Review comment:
consider adding both withSuccessTag and withFailureTag at the top level so
that users can call them in either order.
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Issue Time Tracking
-------------------
Worklog Id: (was: 151818)
Time Spent: 1h 40m (was: 1.5h)
Remaining Estimate: 166h 20m (was: 166.5h)
> Add exception handling to single message transforms in Java SDK
> ---------------------------------------------------------------
>
> Key: BEAM-5638
> URL: https://issues.apache.org/jira/browse/BEAM-5638
> Project: Beam
> Issue Type: Improvement
> Components: sdk-java-core
> Reporter: Jeff Klukas
> Assignee: Jeff Klukas
> Priority: Minor
> Original Estimate: 168h
> Time Spent: 1h 40m
> Remaining Estimate: 166h 20m
>
> Add methods to MapElements, FlatMapElements, and Filter that allow users to
> specify expected exceptions and tuple tags to associate with the with
> collections of the successfully and unsuccessfully processed elements.
> See discussion on dev list:
> https://lists.apache.org/thread.html/936ed2a5f2c01be066fd903abf70130625e0b8cf4028c11b89b8b23f@%3Cdev.beam.apache.org%3E
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