MQSeries.net :: View topic

Gopi · Posted: Fri May 24, 2002 2:16 am Post subject:

Hi Can anybody help me out ...?????

I am newbie to this MQ Series, & trying to explore the features...
Here is my problem... Thanks inadvance.
I am having 2 questions.

Question 1:
Here my client application CA put one message(Request R1) on Queue Q1, Now the Server Application SA receives this message and process the message, prepares message(response, which contains some data) and put message on Q2. The client Application CA should receive this message for further processing to display to the end user. So how do my client application know this response on Q2 is reference to the request R1?
Bcoz there could be several messages on Q2, out of which how could my Client application identifies its response message from the Server Application on Q2? I guess there should be some way to identify.

Both Q1 & Q2 are owned by same QManager. ie, there is only one QManager, with 2 different Qs( Q1 & Q2).

Question2:
In the above scenario, CA should wait for the incoming requests as well as it should check the its appropriiate message arrived in the Q2 or not. so for this implementation should i consider signaling mechanism or multi threaded application?

Here what i am actually trying to do:

1) Client application will put a message on Q1. Waits for the response from Server Application (Looking on Q2)
2) Server Application Receives this message & process the message, and prepares a response message and finally put it on Q2.
3) Now Client application receives the message and display to the End user.

If i have to use either MsgId or CorrelId , to identify the message which was arrived on Q2, how can my CA know the MsgId & CorrelId while its putting the message on Q1? I mean these fields are generated by the QManager right at the runtime..? so how do my client application know abt this information?If my CA is aware of MsgId& CorrelId before it puts mes on Q1,then It can identify the message returned by the SA, coz it uses CorrelId.
Thanks,
Gopi