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fix javadoc of View #3257

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fix javadoc of View #3257

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5 changes: 3 additions & 2 deletions sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/View.java
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Original file line number Diff line number Diff line change
Expand Up @@ -116,16 +116,17 @@
* {@code
* PCollection<Page> pages = ... // pages fit into memory
* PCollection<UrlVisit> urlVisits = ... // very large collection
* final PCollectionView<Map<URL, Page>> = urlToPage
* final PCollectionView<Map<URL, Page>> urlToPageView = pages
* .apply(WithKeys.of( ... )) // extract the URL from the page
* .apply(View.<URL, Page>asMap());
*
* PCollection PageVisits = urlVisits
* .apply(ParDo.withSideInputs(urlToPage)
* .apply(ParDo.withSideInputs(urlToPageView)
* .of(new DoFn<UrlVisit, PageVisit>() {
* {@literal @}Override
* void processElement(ProcessContext context) {
* UrlVisit urlVisit = context.element();
* Map<URL, Page> urlToPage = context.sideInput(urlToPageView);
* Page page = urlToPage.get(urlVisit.getUrl());
* c.output(new PageVisit(page, urlVisit.getVisitData()));
* }
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