[BEAM-1418] MapElements and FlatMapElements should comply with PTransform style guide

• Type: Bug
• Status: Resolved
• Priority: P2
• Resolution: Fixed
• Fix Version/s: 2.0.0
• Component/s: sdk-java-core
• Labels: Done backward-incompatible starter
• Assignee: Eugene Kirpichov
• Reporter: Eugene Kirpichov
• Created: 07/Feb/17 21:55
• Updated: 06/Oct/20 21:59
• Resolved: 12/Apr/17 18:42

Description

Type structure of these classes can be improved by slightly changing the API:

FlatMapElements.into(TypeDescriptor).via(as usual).

Likewise for MapElements. This allows getting rid of the awkward MissingOutputTypeDescriptor intermediate class.

Issue Links

• is part of: BEAM-1353 Beam should comply with PTransform style guide
• links to: GitHub Pull Request #2363