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From JavaEsse <samuel.l...@fmr.com>
Subject Could ActiveMQ be the right solution?
Date Fri, 12 Jun 2009 19:18:35 GMT

Hello,

I'm doing some research on possible solutions to a process that is currently
being completed semi manually and semi automated.  The process itself
consists of feeding several thousand ID numbers to a legacy C++ application,
which in turn, after some processing of its own, sends more data to an
external system.  It is automated in that there is a batch file that kicks
off the C++ application.  The C++ application opens up a text file, reads an
ID number and then processes it.  It repeats this for as many IDs as there
are in the text file.  However, it is manual in that there are several text
files, broken up into 500 IDs per file (which we create), that are sent over
several weeks.  The reason for this is a limitation in the external system
that we have no control over.  Its 500 IDs per day, no questions asked. 
Because of this limitation, we have to go in and run the batch file for each
of those text files.  In addition, we have to monitor as each text file is
processed in case of a failure.  If a failure occurs, we have to go into the
text file, delete all of the IDs that were successfully processed, and then
run the batch process again.

At any rate, as much as we would like to, we are unable to rip the current
system out and replace it all together.  The legacy C++ component must
remain intact.  I am looking at possibly modifying the C++ application to
pick up the ID numbers from an external application--instead of a text
file--that keeps count of the number of IDs processed in a given day.  I'd
like to continue logging error messages, but instead of crapping out the
entire process, I'd like for them to be ignored and for the process to
continue until the 500 ID threshhold is reached for the day.  I'm not too
familiar with JMS technology, but from what I have read a JMS based external
application may be a good candidate, but I'm thinking it may be overkill.  I
do like the fact that it is reliable, loosely coupled, and it's
asynchronous.  So I guess my question is if ActiveMQ is the right solution
for this problem?  Or is it overkill?

Thanks in advance for the assistance.
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