On Mon, Jul 27, 2009 at 7:46 AM, Sean Devlin <francoisdev...@gmail.com> wrote: > > Howdy everyone, > I've got a project that needs a Doc DB. It will need to run on > windows (and probably OS X), so I am looking for something that works > with Java. I thought I'd ask for some help here before I re-invent > the wheel. > > 1. Has anyone here worked with a Java based doc DB? > 2. Does anyone have Clojure bindings for said doc DB? > 3. Does anyone know of good guide for said doc DB?
Take a look at Xwiki <http://xwiki.org>, a 5-year-old open source project, implemented in Java, which has database-backed documents, objects that can be attached to documents, collaborative document versioning, and the ability to write scripts in Velocity or Groovy<http://platform.xwiki.org/xwiki/bin/view/DevGuide/Scripting> and jRuby <http://code.xwiki.org/xwiki/bin/view/Macros/RubyMacro>, and hopefully if I have my way with it, Clojure too: http://groups.google.com/group/clojure/browse_thread/thread/297861670c2f5611 . This is an old Google Tech Talk on Xwiki's documents, and application programming in Xwiki: http://www.youtube.com/watch?v=xs3LuzwqemM .. They've gone "2.0" since this talk, but the overall flavor is the same. For example, here's a trivial app I wrote which queries the Xwiki document database that comprises my website, and returns a timeline of documents published on the site: http://nielsmayer.com/xwiki/bin/view/Main/SiteTimeline (source code xar/jar: http://nielsmayer.com/xwiki/bin/download/Main/SiteTimeline/SiteTimelinePkg.xar) <http://nielsmayer.com/xwiki/bin/view/Main/SiteTimeline>The wiki code<http://nielsmayer.com/xwiki/bin/view/Main/SiteTimeline?viewer=code>of this app is boilerplate; the main business of this app happens inside the document's "XWiki.JavaScriptExtension[0] object, via Hibernate Query, processed via the Xwiki API, and "scripted" in Velocity. This code is used to generate Javascript for the Simile-Widgets Timeline<http://simile-widgets.org/timeline/>used for the display. (The Xwiki Java API calls are prefixed with "$xwiki." "$util." "$request." below): #set( $at_start_p = true )## #set( $hqlQuery = ", XWikiRCSNodeInfo as ni where doc.id=ni.id.docId and ni.id.version2=1 and doc.space<>'XWiki' and doc.space<>'Main' and doc.space<>'Panels' group by doc.space, doc.name order by max(ni.date) desc")## #set( $recentlyChangedDocuments = $xwiki.searchDocuments($hqlQuery, $util.parseInt($request.changesNb), 0))## var tl_events = [ #foreach( $rcName in $recentlyChangedDocuments )##{ #set( $rcDoc = $xwiki.getDocument($rcName) )## #set( $docTitle = $rcDoc.getDisplayTitle().replaceAll('"','\\"') )## #set( $docEpoch = $rcDoc.date.getTime() )## #if($at_start_p == true) ## { #set( $at_start_p = false )## #else ## }{ ,## #end ## } new Timeline.DefaultEventSource.Event({ start: epoch_date($docEpoch), end: null, latestStart: epoch_date($docEpoch), latestEnd: null, instant: true, text: "$docTitle", description: "<TABLE><TBODY><TR><TH>Link: </TH><TD><A href='${rcDoc.getURL()}' target='_blank' >${rcName}</A></TD></TR><TR><TH>Date: </TH><TD>$xwiki.formatDate($rcDoc.date)</TD></TR> #if("$!rcDoc.author" != "") <TR><TH>Author: </TH><TD><A href='${xwiki.getURL("${rcDoc.author}","view")}' target='_blank'$ >$xwiki.getLocalUserName(${rcDoc.author}, false)</A></TD></TR> #end #if("$!rcDoc.creator" != "") <TR><TH>Creator: </TH><TD><A href='${xwiki.getURL("${rcDoc.creator}","view")}' target='_blank' >$xwiki.getLocalUserName(${rcDoc.creator}, false)</A></TD></TR> #end </TBODY></TABLE>", image: null, link: null, icon: null, color: null, textColor: null }) #end ]; It would be much nicer to be able to use Clojure to dynamically generate JSON on the server side. That's certainly one of the things you can do with Xwiki, even though normally you'd be using it to dynamically generate HTML documents or applications. For example, I'm looking at using closure to access the Xwiki API to persist some information from my application in Xwiki "documents" (everything in xwiki is a wiki-document) implemented via Exhibit <http://simile-widgets.org/exhibit/>, that look like this: http://nielsmayer.com/xwiki/bin/view/Exhibit/NPRpods3 (a work in progress). Niels http://nielsmayer.com --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en -~----------~----~----~----~------~----~------~--~---
