[dna-dev] ESBMessageSequencer

[Mark Little]

The information about when a message enters the ESB "space" and when  
it is delivered is available within the messages. Check out the  
Filters and particularly the MetaData Filter.

Mark.


On 9 Jun 2008, at 10:49, Stefano Maestri wrote:

> 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
>>>
>>> _______________________________________________
>>> dna-dev mailing list
>>> dna-dev at lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/dna-dev
>>
>> ----
>> Mark Little
>> mlittle at redhat.com
>>
>> JBoss, a Division of Red Hat
>> Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod  
>> Street, Windsor, Berkshire, SI4 1TE, United Kingdom.
>> Registered in UK and Wales under Company Registration No. 3798903  
>> Directors: Michael Cunningham (USA), Charlie Peters (USA), Matt  
>> Parsons (USA) and Brendan Lane (Ireland).
>

----
Mark Little
mlittle at redhat.com

JBoss, a Division of Red Hat
Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod  
Street, Windsor, Berkshire, SI4 1TE, United Kingdom.
Registered in UK and Wales under Company Registration No. 3798903  
Directors: Michael Cunningham (USA), Charlie Peters (USA), Matt  
Parsons (USA) and Brendan Lane (Ireland).