Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Kevin Nathan Newsgroups: comp.lang.java.databases Subject: Re: Local database library Date: Sat, 5 Oct 2013 11:19:01 -0700 Lines: 34 Message-ID: <20131005111901.75595916@efreet.linux> References: <20131001135230.66af12f9@efreet.linux> <524b40ba$0$304$14726298@news.sunsite.dk> <20131001154157.7f37e588@efreet.linux> <524b6e8d$0$304$14726298@news.sunsite.dk> <20131002100935.0eacf609@efreet.linux> <20131004104829.4bd78e5b@efreet.linux> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Trace: individual.net vQ43MleZzBOfL8eqWrgF7wkCtYVdg8EgrGLDAgZ2bMcyiCxA7Y Cancel-Lock: sha1:8tqc9KpXLt7bj5fijVO/ES6ifOw= X-Newsreader: Claws Mail 3.9.0 (GTK+ 2.24.18; i586-suse-linux-gnu) X-Face: %/gp4MCQT=`#JS##?-]V9ksid6OSR@(wbF"bK6wSLO$u,%(N@X~bVhAD+\A_[gRhx*T6=fq "N_5H8.v[&;q0iw!s_wuL05B0xg#OYUkbn#@&U_]fL%o==~2sphc?*L+bicO!POJLG#p'N.]J0/p_w Z^(.kOB%Ob914-V>?GI; Xref: csiph.com comp.lang.java.databases:631 On Sat, 5 Oct 2013 15:43:43 +0000 (UTC) Martin Gregorie wrote: >On Fri, 04 Oct 2013 10:48:29 -0700, Kevin Nathan wrote: > >> I hadn't thought of that. What I have started to do (and it's not yet >> working) is to create a "DBaccess" library under >> "net.companyname.connect" >> >The following summarises what I did for a small system that has non- >interactive CLI programs as well as a few GUI utilities that do >updates and run enquiries on the DB. > >I ended with a superclass containing the methods connect() and close() >to start and stop the database connection plus other methods to handle >common requirements such as reporting DB access failures. There's a >subclass for each program. The methods in these each encapsulate an >SQL transaction. Data is passed as arguments and the return value >indicates success or failure. Where a transaction fills a JTable a >reference to its Model is passed into the method, which can put all >the rows returned by the SQL query into the Model. > Sounds like just about what I need! I will look into doing it that way... -- Kevin Nathan (Arizona, USA) Linux is not a destination, it's a journey -- enjoy the trip! Linux 3.7.10-1.16-desktop 11:17am up 16 days 21:30, 14 users, load average: 0.80, 0.62, 0.61