[dna-dev] ESBMessageSequencer

[Stefano Maestri]

I'm not sure I understood. I don't see data about throughput attached to 
message.
I don't think you are asking to calculate it from scratch in DNA, 
probably it wouldn't be the right place, so I'm probably missing 
something...can you point me where I can find throughput in esb messages?

Thanks a lot
S.

Mark Little wrote on 09/06/08 11:19:
> Throughput (that data is attached to the messages too).
>
> Mark.
>
>
> On 9 Jun 2008, at 08:38, Stefano Maestri wrote:
>
>> Hi,
>> I have begun to write this sequencers 
>> (http://jira.jboss.org/jira/browse/DNA-78).
>> I'm writing here to ask readers of this mailing list to take a look 
>> at my first implementation of ESBMessageMetaData and give me some 
>> feedback:
>> http://fisheye.jboss.org/browse/DNA/branches/maeste/sequencers/dna-sequencer-esbMessage/src/main/java/org/jboss/dna/sequencer/esbMessage/ESBMessageMetaData.java 
>>
>>
>> The purpose of this sequencer I have kept in mind writing it, is to 
>> extract infos from an ESBMessage for governance (and in particular 
>> monitoring inside governance) goals.
>> What I'd like to have from this sequencer is to extract metadata 
>> about messages regarding properties, faults, and route. Querying 
>> and/or statistics can be performed on this metadata and eventually 
>> joined with SLAs or others useful measurement.
>>
>> My idea is to implement a JCRMessageStore on ESB side 
>> (http://jira.jboss.org/jira/browse/JBESB-1769) storing the whole 
>> message as array of bytes, leaving to sequencer responsibility of 
>> extract and store in JCR (eventually different/federated JCR) all  
>> metadata.
>> This approach leave the JCRMessageStore  very thin and eventually 
>> permit to have different level of  metadata applying different 
>> sequencer.
>>
>> Any feedback is very welcome. What else do you like to sequence from 
>> an ESB Message? Are there any metadata I extracted in my first impl 
>> that you think are not useful?
>>
>> thanks in advance
>>
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>
> ----
> Mark Little
> mlittle at redhat.com
>
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