At Apache XMLBeans, we're also could make use of an XQuery engine for implementing selections and query on xbeans.
Cezar On Mon, May 11, 2009 at 1:28 PM, Paul Fremantle <pzf...@gmail.com> wrote: > Synapse would also be interested in using the XQuery implementation! > > Thanks > Paul > > On Mon, May 11, 2009 at 7:22 PM, Vinayak Borkar <vbo...@yahoo.com> wrote: > > Hello, > > > > We wish to present a proposal to create a new project in the incubator > > called VXQuery. Please find below, the plain-text version of the > proposal. > > Any feedback would be greatly appreciated. > > > > > > Thanks, > > Vinayak > > > > VXQueryProposal > > Abstract > > > > Apache VXQuery is a language processor that implements the XML Query > > Language v1.0 standardized by the W3C. > > Proposal > > > > VXQuery (Versatile XQuery) will be a standards compliant XML Query > processor > > implemented in Java. We believe that there exists a strong (and growing) > > need to process semi-structured data in many applications. The W3C > > standardized v1.0 of the XML Query Language in early 2007. Since then, a > few > > processors have surfaced (both commercial and open source). VXQuery will > > implement this standard. > > > > VXQuery plans to be the glue that brings together imperative programming > in > > Java and declarative programming in XQuery. The project would enable > > developers to use XQuery to navigate and transform application objects > > declaratively in Java applications with minimal overhead. > > > > In the VXQuery project we plan to build an implementation that allows > users > > to run declarative XQueries on arbitrary object models. Existing XQuery > > engines execute queries by translating the user data into some form of > XML > > Object model. With VXQuery, we take the opposing view - Translate the > query > > to work natively on the user's object model. > > > > In addition, VXQuery works on top of different XML representations > including > > DOM, Stax, and a space optimized model motivated by Xalan's DTM (Document > > Table Model). > > > > VXQuery will also provide a library that allows application developers to > > express declarative queries without the need to learn a new syntax. We > > believe that this will speed up the adoption process. > > Current Status > > > > This is a new project. > > Meritocracy > > > > The initial developers are very familiar with meritocratic open source > > development at Apache. Apache was chosen specifically because the initial > > developers want to encourage this style of development for the project. > > Community > > > > VXQuery seeks to develop developer and user communities during > incubation. > > Core Developers > > > > The core members of the project are diverse. Vinayak Borkar is an > > independent consultant. Till Westmann works for a company that would be a > > potential consumer of VXQuery. During incubation the developers base will > be > > broadened. > > Alignment > > > > XQuery is gaining more traction as a XML management technology and there > > already are several Apache projects ([WWW] XMLBeans, [WWW] Camel, [WWW] > > Tuscany) that use or need a XQuery implementation. As no such > implementation > > is available as an Apache project these projects have to rely on external > > engines. VXQuery can fill this gap and complement the XML support of the > > Apache Software Foundation. > > Known Risks > > Orphaned products > > > > VXQuery is new development. > > Inexperience with Open Source > > > > The initial developers include long-time open source developers. Vinayak > > Borkar is an active contributor to the Zorba project at the FLWOR > > foundation. > > Relationships with Other Apache Products > > > > XMLBeans is a representation of XML that would be natively supported in > > VXQuery. Therefore VXQuery can be used as an efficient and > Apache-licensed > > implementation for the [WWW] selectPath and execQuery methods found in > > XMLBeans. > > > > Similarly, [WWW] Tuscany's SDO implementation can be natively supported > and > > VXQuery can be used to provide an [WWW] XQuery implementation for > Tuscany. > > > > VXQuery can also be used as an XQuery implementation for [WWW] Camel. > > > > Further, VXQuery uses the Xerces XML parser and schema validator. > > A Excessive Fascination with the Apache Brand > > > > We believe in the processes, systems, and framework Apache has put in > place. > > Apache is also known to foster a great community around their projects > and > > provide exposure. While these points are important, they are not the main > > motivation for choosing Apache to host VXQuery. > > Documentation > > > > Not publicly available > > Initial Source > > > > Not publicly available > > External Dependencies > > > > [WWW] JavaCC (BSD license), [WWW] Davos SDO implementation (Apache 2.0 > > license), [WWW] Woodstox XML parser (Apache 2.0 license), [WWW] XStream > > project (BSD license) > > Required Resources > > Developer and user mailing lists > > > > [MAILTO] vxquery-...@incubator.apache.org [MAILTO] > > vxquery-us...@incubator.apache.org [MAILTO] > > vxquery-comm...@incubator.apache.org > > A subversion repository > > > > [WWW] https://svn.apache.org/repos/asf/incubator/vxquery > > A JIRA issue tracker > > > > VXQuery (VXQUERY) > > Initial Committers > > > > * > > > > Vinayak Borkar <vborky at yahoo dot com> > > * > > > > Till Westmann <till at westmann dot org> > > * > > > > Cezar Andrei <cezar at apache dot org> [Have CLA] > > * > > > > Michael Carey <mjcarey at ics dot uci dot edu> > > > > Sponsors > > > > * > > > > XMLBeans PMC > > > > Champion > > > > * > > > > Cezar Andrei > > > > Nominated Mentors > > > > * > > > > Looking for mentors > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org > > For additional commands, e-mail: general-h...@incubator.apache.org > > > > > > > > -- > Paul Fremantle > Co-Founder and CTO, WSO2 > Apache Synapse PMC Chair > OASIS WS-RX TC Co-chair > > blog: http://pzf.fremantle.org > p...@wso2.com > > "Oxygenating the Web Service Platform", www.wso2.com > > --------------------------------------------------------------------- > To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org > For additional commands, e-mail: general-h...@incubator.apache.org > >
