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From "Colin MacNaughton (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (AMQ-2187) activemq-flow. BrokerDatabase persistence enhancements w/ minor flow controller refactoring
Date Fri, 29 May 2009 01:48:51 GMT

     [ https://issues.apache.org/activemq/browse/AMQ-2187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Colin MacNaughton resolved AMQ-2187.
------------------------------------

    Resolution: Fixed

Hiram closed this one out a while back

> activemq-flow. BrokerDatabase persistence enhancements w/ minor flow controller refactoring
> -------------------------------------------------------------------------------------------
>
>                 Key: AMQ-2187
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2187
>             Project: ActiveMQ
>          Issue Type: Improvement
>    Affects Versions: incubation
>         Environment: N/A
>            Reporter: Colin MacNaughton
>             Fix For: incubation
>
>         Attachments: AMQ-2187patch.txt
>
>
> The attached patch has the following enhancements:
> 1. Refactored Store interface: no longer key on MessageId/QueueSequence number, instead
use store tracking number for updates and deletes (still use queue sequence for restore queires)
> 2. Refactored BrokerDatabase to batch more events per flush, and introduced a 5 ms flush
delay for message adds to avoid having to sync to disk.
> 3. Openwire test classes updated to allow persistent (async) and durable (dups-ok) producers
and consumers.
> 4. Openwire and StompProtocol handlers updated. StompProtocol handler now does database
deletes for durable subscribers. Also updated the protocol handlers so that input queues extends
AbstractLimitedFlowResource
> 5. Introduced a StoreFactory for instantiating store impls. 
> 6. Modified IFlowController interfaces to return IFlowResource instead of IFlowSink and
IFlowSource interfaces. 
> 7. Adding the start of some database restore helpers (though theses are still in rough
shape)

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