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https://issues.apache.org/jira/browse/BEAM-4461?focusedWorklogId=142081&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-142081
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ASF GitHub Bot logged work on BEAM-4461:
----------------------------------------
Author: ASF GitHub Bot
Created on: 07/Sep/18 08:00
Start Date: 07/Sep/18 08:00
Worklog Time Spent: 10m
Work Description: reuvenlax commented on a change in pull request #6318:
[BEAM-4461] Some fixes to Combiners needed for Schema support.
URL: https://github.com/apache/beam/pull/6318#discussion_r215876628
##########
File path: sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/Top.java
##########
@@ -168,7 +168,40 @@ private Top() {
* {@code PCollection} of {@code KV}s and return the top values associated
with each key.
*/
public static <T extends Comparable<T>> Combine.Globally<T, List<T>>
largest(int count) {
- return Combine.globally(new TopCombineFn<>(count, new Natural<T>()));
+ return Combine.globally(largestFn(count));
+ }
+
+ /** Returns a {@link TopCombineFn} that aggregates the largest count values.
*/
+ public static <T extends Comparable<T>> TopCombineFn<T, Natural<T>>
largestFn(int count) {
+ return new TopCombineFn<T, Natural<T>>(count, new Natural<T>()) {};
+ }
+ /** Returns a {@link TopCombineFn} that aggregates the largest count long
values. */
+ public static TopCombineFn<Long, Natural<Long>> largestLongsFn(int count) {
+ return new TopCombineFn<Long, Natural<Long>>(count, new Natural<Long>())
{};
Review comment:
No, this isn't allowed for anonymous inner classes
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Issue Time Tracking
-------------------
Worklog Id: (was: 142081)
Time Spent: 6h 10m (was: 6h)
> Create a library of useful transforms that use schemas
> ------------------------------------------------------
>
> Key: BEAM-4461
> URL: https://issues.apache.org/jira/browse/BEAM-4461
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-java-core
> Reporter: Reuven Lax
> Assignee: Reuven Lax
> Priority: Major
> Time Spent: 6h 10m
> Remaining Estimate: 0h
>
> e.g. JoinBy(fields). Project, Filter, etc.
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