Re: Re: Quartz, Log4J and Data Queue

[SCarter@xxxxxxxxxxx]

the data in a data queue is removed once read.   so a multi-threaded app
can read a single data queue without problem...



J. Scott Carter
Programmer/Analyst
e-mail: Mailto:scarter@xxxxxxxxxxx
Phone: 214.583.0348

"When I die, I want to die like my grandmother who died peacefully  in her
sleep.
Not screaming like all the passengers in her car."

    - Author Unknown



|---------+------------------------------>
|         |           Sameer Jaffer      |
|         |           <sijaffer@xxxxxxxxx|
|         |           et>                |
|         |           Sent by:           |
|         |           java400-l-bounces@m|
|         |           idrange.com        |
|         |                              |
|         |                              |
|         |           09/30/2004 09:01 AM|
|         |           Please respond to  |
|         |           Java Programming on|
|         |           and around the     |
|         |           iSeries / AS400    |
|         |                              |
|---------+------------------------------>
  
>------------------------------------------------------------------------------------------------------------------------------|
  |                                                                             
                                                 |
  |       To:       Java Programming on and around the iSeries / AS400 
<java400-l@xxxxxxxxxxxx>                                  |
  |       cc:                                                                   
                                                 |
  |       Subject:  Re: Re: Quartz, Log4J and Data Queue                        
                                                 |
  
>------------------------------------------------------------------------------------------------------------------------------|




My concerne here is that I dont want more that one thread to look or get
the same data queue message.
>
> From: Franco Biaggi <fbiaggi@xxxxxxxxxx>
> Date: 2004/09/30 Thu AM 02:10:46 CDT
> To: Java Programming on and around the iSeries / AS400
<java400-l@xxxxxxxxxxxx>
> Subject: Re: Quartz, Log4J and Data Queue
>
> As I know there are no ways to allocate a DTAQ,
> if jou starts multiple readers on the same DTAQ you cannot determine
> witch is readng the entries.
> ...
>
> Sameer Jaffer wrote:
>
> >I am writing a servlet that is scheduled from quartz, uses logging with
> >log4j and gets/sends data to AS400 Data queue. Now my question is Does
> >the jt400 api for sending and receiving data from the data queue utilize
> >multiple threading and/or queue locking mechanism. What I mean by this
> >is if I schedule a process for a get and send for every second, and if
> >that first job is not complete, when the next process starts after the
> >first or second second, will I have locking issues, or missed/dropped
> >message issues? I understand that this is a little convoluted scenario,
> >but if this were the case, what would be the proper way to handle the
> >scheduling, logging, locking and performance?
> >
> >
> >
> >Remember that quartz, spawns another thread when it starts a new job
> >while the previous job is still processing. Please help, your expertise
> >in this matter is greatly appreciated.
> >
> >
> >
> >
> >
> >Thank you,
> >
> >
> >
> >Sameer Jaffer
> >
> >
> >
> >--
> >This is the Java Programming on and around the iSeries / AS400
(JAVA400-L) mailing list
> >To post a message email: JAVA400-L@xxxxxxxxxxxx
> >To subscribe, unsubscribe, or change list options,
> >visit: http://lists.midrange.com/mailman/listinfo/java400-l
> >or email: JAVA400-L-request@xxxxxxxxxxxx
> >Before posting, please take a moment to review the archives
> >at http://archive.midrange.com/java400-l.
> >
> >
> >
> >
> >
>
>
> --
>
-----------------------------------------------------------------------------

> *** This messages was scanned for malicious contents ***
>
-----------------------------------------------------------------------------

> Franco Biaggi
> CH-6807 Taverne
>
>
> --
> This is the Java Programming on and around the iSeries / AS400
(JAVA400-L) mailing list
> To post a message email: JAVA400-L@xxxxxxxxxxxx
> To subscribe, unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo/java400-l
> or email: JAVA400-L-request@xxxxxxxxxxxx
> Before posting, please take a moment to review the archives
> at http://archive.midrange.com/java400-l.
>
>


Thank you,

Sameer Jaffer
817-247-1715

--
This is the Java Programming on and around the iSeries / AS400 (JAVA400-L)
mailing list
To post a message email: JAVA400-L@xxxxxxxxxxxx
To subscribe, unsubscribe, or change list options,
visit: http://lists.midrange.com/mailman/listinfo/java400-l
or email: JAVA400-L-request@xxxxxxxxxxxx
Before posting, please take a moment to review the archives
at http://archive.midrange.com/java400-l.