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  1.  Home
  2. JAVA400-L
  3. March 2003

RE: How to get JDBC to DB2400 to wait on a locked object?

At 01:53 PM 3/8/2003, you wrote: 
> > How about invoking a stored procedure that does an ALCOBJ, David?
> Not an option ... this is a java only application... only AS400 component
> is the database itself.
Well, that's a pretty draconian corner you're painting yourself into.  Why
wouldn't you allow a native stored procedure?  But okay, let's assume that
you have a valid business reason for not using a native stored procedure.
There are alternatives.

The main reason is that this is not an AS400 application ... the only thing AS400 about it is the database. The people who develop & maintain this code do not understand one lick about the as400.

If you know you're talking to an AS/400, you can always use the JTOpen
toolbox to attempt an ALCOBJ command.  This is AS/400-specific, but 100%
Pure Java.

True ... however (always a however), we have no problem allocating the object using the LOCK TABLE sql command ... what I want to do is make OTHER sql accesses wait a period of time for the table to be available. I cannot issue a ALCOBJ command every single time I want to access that particular table.

If that option is not valid, then I think you're stuck with an untenable set
of design decisions - you want to do things differently for the AS/400, yet
you don't want AS/400-specific code.

Rock & hard place ... rock & a hard place. I'm just hoping there is a little sand I can put between to make it slide a bit.

david




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