Home

 

Triggering channels

 

An overview of triggering is given in Triggering channels, while it is described in depth in the WebSphere MQ Application Programming Guide. This section provides you with information specific to WebSphere MQ for iSeries.

Triggering in WebSphere MQ for iSeries is implemented with the channel initiator process, which is started with the STRMQMCHLI command that specifies the name of the initiation queue. For example: 

STRMQMCHLI QNAME(MYINITQ)

You need to set up the transmission queue for the channel specifying TRIGGER and specifying the channel name in the TRIGDATA field: For example: 

CRTMQMQ QNAME(MYXMITQ) QTYPE(*LCL) MQMNAME(MYQMGR) +
   PRCNAME(MYPROCESS) TRGENBL(*YES) INITQNAME(MYINITQ) +
   USAGE(*TMQ)

Then define an initiation queue. 

CRTMQMQ QNAME(MYINITQ) MQMNAME(MYQMGR)

Next you define a process in WebSphere MQ for iSeries naming the MCA sender program, as the program to be triggered when messages arrive on the transmission queue. Type CRTMQMPRC on the command line to display the Create Process panel. Alternatively, select F6 (Create) from the Work with MQM Process panel. See Figure 1 for the first page of the Create Process panel. The WebSphere MQ for iSeries System Administration contains details of defining processes to be triggered.

Figure 1. Create process (1) 
                         Create MQM Process (CRTMQMPRC)
 
 Type choices, press Enter.
 
 Process Name . . . . . . . . . . _______________________________________
 
 Message Queue Manager name . . . *DFT___________________________________
 
 Replace  . . . . . . . . . . . .   *NO           *NO, *YES
 Text 'description' . . . . . . . > 'Triggers hursley.to.hursley.normal '
 Application type . . . . . . . .   *OS400
 Application identifier . . . . . > 'AMQRMCLA
 
 
 
 
 
 
 User data  . . . . . . . . . . . > *SYSDFTPRC
 
 
 
                                                                        More...
 F3=Exit   F4=Prompt   F5=Refresh   F12=Cancel   F13=How to use this display
 F24=More keys

  1. Type the name of the process definition in the field provided.

  2. Enter a description in the Text 'description' field.

  3. Set Application type to *OS400.

  4. Set Application identifier to AMQRMCLA.

  5. Set User data to the channel name so as to associate this definition with the transmission queue belonging to the channel.

  6. Page down to show the second page (see Figure 2) and insert any environment data.

Figure 2. Create process (2) 
                         Create MQM Process (CRTMQMPRC)
 
 Type choices, press Enter.
 
 Environment data . . . . . . . .   *SYSDFTPRC___________________________
 ________________________________________________________________________
 ______________
 
 
 
 
 
 
 
 
 
 
 
 
 
                                                                         Bottom
 F3=Exit   F4=Prompt   F5=Refresh   F12=Cancel   F13=How to use this display
 F24=More keys

 

Parent topic:

Preparing WebSphere MQ for iSeries


ic16870_


 

Home