[KAFKA-8006] Guard calls to init() and close() within user code

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.3.0
• Component/s: streams
• Labels: beginner newbie
• Assignee: A. Sophie Blee-Goldman
• Reporter: Matthias J. Sax
• Created: 27/Feb/19 03:06
• Updated: 06/Mar/19 18:57
• Resolved: 06/Mar/19 18:57

Description

When using a global state store within the provided Processor, the user is able to call init() and close() on the state stores. Those APIs should only be called by Kafka Streams runtime but not by the user.

We should guard those APIs so that the user cannot call them.

Issue Links

• is related to: KAFKA-6970 Kafka streams lets the user call init() and close() on a state store, when inside Processors
• links to: GitHub Pull Request #6353