[BEAM-1918] a BasicDoFn with abstract methods

• Type: Wish
• Status: Resolved
• Priority: P2
• Resolution: Won't Fix
• Fix Version/s: Not applicable
• Component/s: sdk-java-core
• Labels: Done newbie starter
• Assignee: Kenneth Knowles
• Reporter: Mingmin Xu
• Created: 08/Apr/17 07:09
• Updated: 06/Oct/20 21:53
• Resolved: 31/Jan/18 21:26

Description

DoFn use annotations to define the methods, which is not quite straight-forward. A BasicDoFn with default methods, or define as abstract, can benefit developers:
1. direct view of method descriptor;
2. avoid incorrect methods during run-time;