[jira] [Created] (FLINK-5427) Typo in the event_timestamps_watermarks doc

[Shang Yuanchun (Jira)]

Yelei Feng created FLINK-5427:
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             Summary: Typo in the event_timestamps_watermarks doc
                 Key: FLINK-5427
                 URL: https://issues.apache.org/jira/browse/FLINK-5427
             Project: Flink
          Issue Type: Bug
          Components: Documentation
    Affects Versions: 1.2.0
            Reporter: Yelei Feng
            Priority: Minor
             Fix For: 1.2.0


I was reading the watermark doc: https://ci.apache.org/projects/flink/flink-docs-release-1.2/dev/event_timestamps_watermarks.html
We should replace element with lastElement in the body of method checkAndGetNextWatermark:
{code:java}
public Watermark checkAndGetNextWatermark(MyEvent lastElement, long extractedTimestamp) {
                return element.hasWatermarkMarker() ? new Watermark(extractedTimestamp) : null;
        }
{code}



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