Keith Wall created QPID-5653:
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Summary: [Java Broker] Make message and configuration store
stateless
Key: QPID-5653
URL: https://issues.apache.org/jira/browse/QPID-5653
Project: Qpid
Issue Type: Improvement
Components: Java Broker
Reporter: Keith Wall
Assignee: Keith Wall
The MessageStore (and DurableConfigurationStore) implementations are currently
stateful. They own the recovery process and have special rules around some
states (in some states updates are ignored). This is overly complicated.
Currently all store implementations need to code these rules. This is poor
division of responsibilities and this presents a barrier to users wishing to
produce their own store implementations.
This change will simplify the responsibilities of the store:
* introduce simpler lifecycle methods i.e. open/close
* simpler state concept, the store is either open or not
* visit methods for retrieving data from the store.
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