Return-Path: Delivered-To: apmail-db-jdo-user-archive@www.apache.org Received: (qmail 53629 invoked from network); 20 May 2009 00:48:05 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 20 May 2009 00:48:05 -0000 Received: (qmail 452 invoked by uid 500); 20 May 2009 00:48:18 -0000 Mailing-List: contact jdo-user-help@db.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: jdo-user@db.apache.org Delivered-To: mailing list jdo-user@db.apache.org Received: (qmail 442 invoked by uid 99); 20 May 2009 00:48:18 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 20 May 2009 00:48:18 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of david@ezzio.us designates 69.89.12.120 as permitted sender) Received: from [69.89.12.120] (HELO ezzio.us) (69.89.12.120) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 20 May 2009 00:48:06 +0000 Received-SPF: softfail (ezzio.us: domain of transitioning david@ezzio.us does not designate 74.75.138.153 as permitted sender) receiver=ezzio.us; client-ip=74.75.138.153; helo=[192.168.1.101]; envelope-from=david@ezzio.us; x-software=spfmilter 0.97 http://www.acme.com/software/spfmilter/ with libspf2-1.0.0; Received: from [192.168.1.101] (cpe-74-75-138-153.maine.res.rr.com [74.75.138.153]) by ezzio.us (8.14.2/8.14.2) with ESMTP id n4K0lhpQ021725 for ; Tue, 19 May 2009 20:47:44 -0400 Message-ID: <4A1353A4.9030108@ezzio.us> Date: Tue, 19 May 2009 20:49:40 -0400 From: David Ezzio User-Agent: Thunderbird 2.0.0.21 (Windows/20090302) MIME-Version: 1.0 To: jdo-user@db.apache.org Subject: Re: PersistenceManagerFactory configuration for flat-file database References: <48efcebe0905191434j628730bbra79a72af695d03d7@mail.gmail.com> <1ba389ce0905191504j3c5e82ccn5a62847a5bdf8997@mail.gmail.com> <48efcebe0905191547h60ff4aabscac7359762d5c703@mail.gmail.com> In-Reply-To: <48efcebe0905191547h60ff4aabscac7359762d5c703@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org Hi Ozvena, I think you'll find that HSQL also store it data in human readable format for some table types. If that satisfies your needs, then DataNucleus will definitely do the job for you as I believe it supports HSQL. Cheers, David ozvena@gmail.com wrote: > Hi Matthew, > > I am not using any flat-file DB. It is a new application I am developing. > The size of the database can range from few entries to few dozen of entries. > Each entry represents 3 strings. I want flat-file DB as it is user readable > and can be changed/edited by hand if needed. > > I will look at DataNucleus to see if it supports plain simple flat-file DB. > > Thank you! > Ozvena > > > > On Tue, May 19, 2009 at 5:04 PM, Matthew Adams wrote: > >> Hi ozvena, >> >> In order for you to use a flat-file database, you need to find a JDO >> vendor that supports one. First off, what kind of flat-file database >> are you using? I imagine a likely JDO candidate is DataNucleus, the >> JDO reference implementation. If it doesn't support whatever you're >> using for a flat-file database, you can write a plug-in to support it. >> I haven't dug deeply, but you might consider DataNucleus over db4o. >> >> HTH, >> Matthew >> >> On Tue, May 19, 2009 at 2:34 PM, ozvena@gmail.com >> wrote: >>> Hello, >>> >>> I can't find any information about how to configure >>> PersistenceManagerFactory for flat-file database. >>> >>> Your help is appreciated! >>> >> >> >> -- >> mailto:matthew@matthewadams.me >> skype:matthewadams12 >> yahoo:matthewadams >> aol:matthewadams12 >> google-talk:matthewadams12@gmail.com >> msn:matthew@matthewadams.me >> http://matthewadams.me >> http://www.linkedin.com/in/matthewadams >> >