[FLINK-1123] Add First-N operator to Scala API

• Type: Improvement
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.7.0-incubating
• Fix Version/s: 0.7.0-incubating
• Component/s: API / Scala
• Assignee: Aljoscha Krettek
• Reporter: Fabian Hueske
• Created: 24/Sep/14 16:30
• Updated: 29/Sep/14 16:53
• Resolved: 29/Sep/14 16:53

Description

The first(n) operator is only supported by the Java API (see FLINK-970).

This functionality needs to be ported to the ScalaAPI as well. Right now, the corresponding methods are excluded from the ScalaAPICompletenessTest.