[YARN-4675] Reorganize TimelineClient and TimelineClientImpl into separate classes for ATSv1.x and ATSv2

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.9.0, 3.0.0-alpha4
• Component/s: timelineserver
• Labels: YARN-5355 yarn-5355-merge-blocker
• Target Version/s: 3.0.0-alpha4
• Hadoop Flags: Reviewed
• Assignee: Naganarasimha G R
• Reporter: Naganarasimha G R
• Created: 05/Feb/16 17:31
• Updated: 21/Oct/17 06:05
• Resolved: 16/Feb/17 19:46

Description

We need to reorganize TimeClientImpl into TimeClientV1Impl , TimeClientV2Impl and if required a base class, so that its clear which part of the code belongs to which version and thus better maintainable.

Issue Links

• depends upon: YARN-3367 Replace starting a separate thread for post entity with event loop in TimelineClient
• is related to: MAPREDUCE-6818 Remove direct reference to TimelineClientImpl
• is related to: YARN-6159 Documentation changes for TimelineV2Client