Return-Path: Delivered-To: apmail-openjpa-users-archive@locus.apache.org Received: (qmail 90794 invoked from network); 14 Aug 2007 04:25:01 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 14 Aug 2007 04:25:01 -0000 Received: (qmail 86264 invoked by uid 500); 14 Aug 2007 04:24:59 -0000 Delivered-To: apmail-openjpa-users-archive@openjpa.apache.org Received: (qmail 86240 invoked by uid 500); 14 Aug 2007 04:24:59 -0000 Mailing-List: contact users-help@openjpa.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: users@openjpa.apache.org Delivered-To: mailing list users@openjpa.apache.org Received: (qmail 86231 invoked by uid 99); 14 Aug 2007 04:24:59 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 13 Aug 2007 21:24:59 -0700 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: local policy) Received: from [192.18.43.133] (HELO sca-es-mail-2.sun.com) (192.18.43.133) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 14 Aug 2007 04:25:07 +0000 Received: from fe-sfbay-10.sun.com ([192.18.43.129]) by sca-es-mail-2.sun.com (8.13.7+Sun/8.12.9) with ESMTP id l7E4OSB6017017 for ; Mon, 13 Aug 2007 21:24:33 -0700 (PDT) Received: from conversion-daemon.fe-sfbay-10.sun.com by fe-sfbay-10.sun.com (Sun Java System Messaging Server 6.2-8.04 (built Feb 28 2007)) id <0JMQ00B01XG8JN00@fe-sfbay-10.sun.com> (original mail from Craig.Russell@Sun.COM) for users@openjpa.apache.org; Mon, 13 Aug 2007 21:24:28 -0700 (PDT) Received: from [192.168.0.12] (c-24-6-172-77.hsd1.ca.comcast.net [24.6.172.77]) by fe-sfbay-10.sun.com (Sun Java System Messaging Server 6.2-8.04 (built Feb 28 2007)) with ESMTPSA id <0JMQ00J5SXKSEB60@fe-sfbay-10.sun.com> for users@openjpa.apache.org; Mon, 13 Aug 2007 21:24:28 -0700 (PDT) Date: Mon, 13 Aug 2007 21:24:27 -0700 From: Craig L Russell Subject: Re: Problems switching to latest snapshot build! In-reply-to: <3f5f9f310708132119o466ee5d7ha685bbcf30af6e7@mail.gmail.com> Sender: Craig.Russell@Sun.COM To: users@openjpa.apache.org Message-id: <85793CD1-0D6E-4BE8-82CA-9E9C11CAE690@SUN.com> MIME-version: 1.0 X-Mailer: Apple Mail (2.752.3) Content-type: multipart/signed; protocol="application/pkcs7-signature"; boundary=Apple-Mail-340-452354174; micalg=sha1 References: <3f5f9f310708132119o466ee5d7ha685bbcf30af6e7@mail.gmail.com> X-Virus-Checked: Checked by ClamAV on apache.org --Apple-Mail-340-452354174 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Hi Prashant, On Aug 13, 2007, at 9:19 PM, Prashant Bhat wrote: > Should I really switch to field level annotations? And I would also > like to > know which approach is better(recommended), field level or > property level > annotations? > My recommendation is to use field persistence for persistent classes, and only use property persistence for persistent interfaces and persistent abstract classes (if your provider supports them). Using field persistence allows you to define your user contract the way you want to, and not subject the user contract to arbitrary rules of property persistence. Regards, Craig Craig Russell Architect, Sun Java Enterprise System http://java.sun.com/products/jdo 408 276-5638 mailto:Craig.Russell@sun.com P.S. A good JDO? 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