[FLINK-19225] Improve code and logging in SourceReaderBase

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.11.3, 1.12.0
• Component/s: Connectors / Common
• Assignee: Stephan Ewen
• Reporter: Stephan Ewen
• Created: 14/Sep/20 21:55
• Updated: 15/Nov/20 22:08
• Resolved: 16/Sep/20 08:11

Description

An umbrella issue for minor improvements to the SourceReaderBase, such as logging, thread names, code simplifications.

The concrete change is described in the messages of the commits tagged with this issue (separate commits to better track the changes).