Return-Path: Delivered-To: apmail-db-jdo-dev-archive@www.apache.org Received: (qmail 68717 invoked from network); 17 Nov 2009 17:45:23 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 17 Nov 2009 17:45:23 -0000 Received: (qmail 90986 invoked by uid 500); 17 Nov 2009 17:45:23 -0000 Mailing-List: contact jdo-dev-help@db.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: jdo-dev@db.apache.org Delivered-To: mailing list jdo-dev@db.apache.org Received: (qmail 90975 invoked by uid 99); 17 Nov 2009 17:45:23 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 17 Nov 2009 17:45:23 +0000 X-ASF-Spam-Status: No, hits=-4.3 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_LOW X-Spam-Check-By: apache.org Received-SPF: neutral (athena.apache.org: local policy) Received: from [212.159.7.100] (HELO relay.pcl-ipout02.plus.net) (212.159.7.100) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 17 Nov 2009 17:45:19 +0000 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApoEAOpvAkvUnw4S/2dsb2JhbADYRoQ7BA Received: from pih-relay05.plus.net ([212.159.14.18]) by relay.pcl-ipout02.plus.net with ESMTP; 17 Nov 2009 17:44:58 +0000 Received: from [87.113.29.117] (helo=rookie.persistability.co.uk) by pih-relay05.plus.net with esmtp (Exim) id 1NAS6r-0005DF-5g; Tue, 17 Nov 2009 17:44:57 +0000 From: Andy Jefferson Organization: DataNucleus To: jdo-dev@db.apache.org Subject: Re: Query objects and hashCode() + equals() Date: Tue, 17 Nov 2009 17:44:56 +0000 User-Agent: KMail/1.12.2 (Linux/2.6.31.5-desktop-1mnb; KDE/4.3.2; i686; ; ) Cc: Joerg von Frantzius , JDO Expert Group References: <4AD8A470.4090806@artnology.com> <200911171719.44224.andy@datanucleus.org> <4B02DF78.3030308@artnology.com> In-Reply-To: <4B02DF78.3030308@artnology.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <200911171744.56401.andy@datanucleus.org> X-Plusnet-Relay: 4260a8b6f788e80457e5bbd80e0eb3cc > all I could find in the docs was > http://www.datanucleus.org/extensions/query_cache.html which is about > caching of "query compilations". Or do you mean that it could be used to > store query results along with a cached QueryCompilation object? PMF prop(s) http://www.datanucleus.org/products/accessplatform_2_0/persistence_properties.html#query Query Cache(s) http://www.datanucleus.org/products/accessplatform_2_0/jdo/query_cache.html or look at the code ... -- Andy DataNucleus (http://www.datanucleus.org)