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Java CDC Design Guidance

 
David Garratt
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I'm just starting work on my PDA using IBM J9 6.1 CDC PPRO11 & SWT. I am considering my options in respect to one import decision. I would like this
application to build the menu options available to the user after he/she has logged on by querying permissions stored on a remote database, which could be IBM/DB2, mySQL or Oracle. I have heard that at least the Oracle JDBC driver may have problems with J9 due to it's dependance on depricated calls and this approach could be slow anyway. One alternative would be to query if a user has an option available by making a RMI call ? I don't know how reliable or fast RMI is and would like to hear anyones experience. The application will finally be deployed on a Symbol Barcode scanner in an enviroment where the user may either walk out of RF range or allow the scanner to go into suspend mode. What issues/solutions should be considered for this enviroment.

All comments welcome

Dave Garratt
 
It is sorta covered in the JavaRanch Style Guide.
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