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Posted to commits@isis.apache.org by da...@apache.org on 2018/03/05 22:46:15 UTC

[30/51] [partial] isis-site git commit: 1.16.2 website

http://git-wip-us.apache.org/repos/asf/isis-site/blob/aa0a7eac/content/versions/1.16.2/guides/rgant/rgant.html
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+<!doctype html>
+<html>
+ <head> 
+  <!--
+        Licensed to the Apache Software Foundation (ASF) under one
+        or more contributor license agreements.  See the NOTICE file
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+        with the License.  You may obtain a copy of the License at
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+        Based on DataNucleus' template,
+        that was in turn based on an earlier version of Apache Isis' template,
+        that was in turn based on Apache Deltaspike's template.
+
+        This template uses
+        * Bootstrap v3.3.7 (https://getbootstrap.com/) for navbar.
+        * Bootstrap TOC plugin v0.4.1 (https://afeld.github.io/bootstrap-toc/)
+          for the table of contents.
+        * jQuery (necessary for Bootstrap's JavaScript plugins)
+        * Font-Awesome for some icons used by Asciidoctor
+
+        Also:
+        * Bootswatch "flatly" theme for Bootstrap (https://bootswatch.com/flatly).
+        * slick.js (carousel)
+        * add a link to all headers (home-grown, adapted from blog posts)
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+    --> 
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+        /* Stylesheet for CodeRay to match GitHub theme | MIT License | http://foundation.zurb.com */
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+    </style> 
+ </head> 
+ <body data-spy="scroll" data-target="#toc"> 
+  <div id="basedir" style="display:none;">
+   ../../
+  </div> 
+  <div id="docname" style="display:none;">
+   rgant
+  </div> 
+  <div id="filetype" style="display:none;">
+   html
+  </div> 
+  <!-- Navbar --> 
+  <nav class="navbar navbar-default navbar-static-top header"> 
+   <div class="container"> 
+    <div class="navbar-header"> 
+     <!-- Three line menu button for use on mobile screens --> 
+     <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> 
+     <a class="navbar-brand" href="../../index.html"> <img alt="Brand" src="../../images/isis-logo-48x48.png"> </a> 
+     <a class="navbar-brand" href="../../index.html">Apache Isis</a> 
+    </div> 
+    <!-- Navbar that will collapse on mobile screens --> 
+    <div id="navbar" class="navbar-collapse collapse"> 
+     <ul class="nav navbar-nav"> 
+      <li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Documentation<span class="caret"></span></a> 
+       <ul class="dropdown-menu"> 
+        <li><a href="../../documentation.html">Table of Contents</a></li> 
+        <li role="separator" class="divider"></li> 
+        <li class="dropdown-header">User Guides</li> 
+        <li><a href="../../guides/ugfun/ugfun.html">Fundamentals</a></li> 
+        <li><a href="../../guides/ugvw/ugvw.html">Wicket Viewer</a></li> 
+        <li><a href="../../guides/ugvro/ugvro.html">Restful Objects Viewer</a></li> 
+        <li><a href="../../guides/ugodn/ugodn.html">DataNucleus Object Store</a></li> 
+        <li><a href="../../guides/ugsec/ugsec.html">Security</a></li> 
+        <li><a href="../../guides/ugtst/ugtst.html">Testing</a></li> 
+        <li><a href="../../guides/ugbtb/ugbtb.html">Beyond the Basics</a></li> 
+        <li role="separator" class="divider"></li> 
+        <li class="dropdown-header">Reference Guides</li> 
+        <li><a href="../../guides/rgant/rgant.html">Annotations</a></li> 
+        <li><a href="../../guides/rgsvc/rgsvc.html">Domain Services</a></li> 
+        <li><a href="../../guides/rgcfg/rgcfg.html">Core Config' Properties</a></li> 
+        <li><a href="../../guides/rgcms/rgcms.html">Classes, Methods and Schema</a></li> 
+        <li><a href="../../guides/rgmvn/rgmvn.html">Maven plugin</a></li> 
+        <li><a href="../../guides/rgfis/rgfis.html">Framework Internal Services</a></li> 
+        <li role="separator" class="divider"></li> 
+        <li class="dropdown-header">Javadoc</li> 
+        <li><a href="http://javadoc.io/doc/org.apache.isis.core/isis-core-applib">Applib</a></li> 
+       </ul> </li> 
+      <li class="dropdown  hidden-sm hidden-md"> <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Downloads<span class="caret"></span></a> 
+       <ul class="dropdown-menu"> 
+        <li class="dropdown-header">Maven archetypes</li> 
+        <li><a href="../../guides/ugfun/ugfun.html#_ugfun_getting-started_helloworld-archetype">helloworld</a></li> 
+        <li><a href="../../guides/ugfun/ugfun.html#_ugfun_getting-started_simpleapp-archetype">simpleapp</a></li> 
+        <li role="separator" class="divider"></li> 
+        <li><a href="../../downloads.html">Downloads</a></li> 
+        <li><a href="../../release-notes/release-notes.html">Release Notes</a></li> 
+        <li><a href="../../migration-notes/migration-notes.html">Migration Notes</a></li> 
+        <li role="separator" class="divider"></li> 
+        <li><a href="https://github.com/apache/isis">Github mirror</a></li> 
+       </ul> </li> 
+      <li class="dropdown  hidden-sm"> <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Support<span class="caret"></span></a> 
+       <ul class="dropdown-menu"> 
+        <li class="dropdown-header">Guides</li> 
+        <li><a href="../../guides/dg/dg.html">Developers' Guide</a></li> 
+        <li><a href="../../guides/cgcom/cgcom.html">Committers' Guide</a></li> 
+        <li><a href="../../guides/htg.html">Hints-n-Tips Guide</a></li> 
+        <li role="separator" class="divider"></li> 
+        <li class="dropdown-header">Mailing Lists</li> 
+        <li><a href="../../support.html">How to subscribe</a></li> 
+        <li><a href="https://lists.apache.org/list.html?users@isis.apache.org">Archives (ASF Pony mail)</a></li> 
+        <li><a href="http://isis.markmail.org/search/?q=">Archives (Markmail)</a></li> 
+        <li role="separator" class="divider"></li> 
+        <li class="dropdown-header">Other Resources</li> 
+        <li><a href="https://issues.apache.org/jira/browse/ISIS">ASF JIRA</a></li> 
+        <li><a href="http://stackoverflow.com/questions/tagged/isis">Stack Overflow</a></li> 
+        <li><a href="../../help.html">Wiki, Fisheye etc.</a></li> 
+       </ul> </li> 
+      <li class="dropdown hidden-sm hidden-md"> <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">@ASF<span class="caret"></span></a> 
+       <ul class="dropdown-menu"> 
+        <li><a href="http://www.apache.org/">Apache Homepage</a></li> 
+        <li><a href="http://www.apache.org/licenses/">Licenses</a></li> 
+        <li><a href="http://www.apache.org/security/">Security</a></li> 
+        <li><a href="http://www.apache.org/foundation/sponsorship.html">Sponsorship</a></li> 
+        <li><a href="http://www.apache.org/foundation/thanks.html">Thanks</a></li> 
+        <li role="separator" class="divider"></li> 
+        <li><a href="https://whimsy.apache.org/board/minutes/Isis.html">PMC board minutes</a></li> 
+       </ul> </li> 
+     </ul> 
+     <div class="nav navbar-nav navbar-right"> 
+      <!-- 'style' added to fix height of input box. FIX THIS --> 
+      <form class="navbar-form" role="search" id="search-form" style="padding: 1px 15px;"> 
+       <div class="form-group"> 
+        <input class="form-control" id="search-field" type="text" size="30" placeholder="Search"> 
+       </div> 
+      </form> 
+     </div> 
+     <p class="nav navbar-text navbar-right small">v1.16.2</p> 
+    </div> 
+   </div> 
+  </nav> 
+  <div class="container"> 
+   <div class="row-fluid"> 
+    <div class="col-xs-12 col-sm-12 col-md-12 col-lg-9"> 
+     <div id="search-panel"> 
+      <div id="search-results"></div> 
+      <div> 
+       <br> 
+       <a href="#" id="search-results-clear">clear</a> 
+      </div> 
+     </div> 
+     <span class="pdf-link"><a href="rgant.pdf"><img src="../../images/PDF-50.png"></a></span> 
+     <div class="page-title"> 
+      <h1>Annotations</h1> 
+     </div> 
+     <div id="doc-content">
+      <div class="btn-group" style="float: right; font-size: small; padding: 6px;  ">
+       <button type="button" class="btn btn-xs btn-default" onclick="window.location.href=&quot;https://github.com/apache/isis/edit/master/adocs/documentation/src/main/asciidoc/guides/rgant/rgant.adoc&quot;"><i class="fa fa-pencil-square-o"></i>&nbsp;Edit</button>
+       <button type="button" class="btn btn-xs btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"><span class="caret"></span><span class="sr-only">Toggle Dropdown</span></button>
+       <ul class="dropdown-menu">
+        <li><a href="https://github.com/apache/isis/edit/master/adocs/documentation/src/main/asciidoc/guides/rgant/rgant.adoc" target="_blank"><i class="fa fa-pencil-square-o fa-fw" aria-hidden="true"></i>&nbsp; Edit</a></li>
+        <li><a href="https://github.com/apache/isis/commits/master/adocs/documentation/src/main/asciidoc/guides/rgant/rgant.adoc" target="_blank"><i class="fa fa-clock-o fa-fw" aria-hidden="true"></i>&nbsp; History</a></li>
+        <li><a href="https://github.com/apache/isis/raw/master/adocs/documentation/src/main/asciidoc/guides/rgant/rgant.adoc" target="_blank"><i class="fa fa-file-text-o fa-fw" aria-hidden="true"></i>&nbsp; Raw</a></li>
+        <li><a href="https://github.com/apache/isis/blame/master/adocs/documentation/src/main/asciidoc/guides/rgant/rgant.adoc" target="_blank"><i class="fa fa-hand-o-right fa-fw" aria-hidden="true"></i>&nbsp; Blame</a></li>
+       </ul>
+      </div> 
+      <div class="sect1"> 
+       <h2 id="__rgant">1. Annotations</h2> 
+       <div class="sectionbody"> 
+        <div class="paragraph"> 
+         <p>This guide describes the various annotations used by Apache Isis to provide additional metadata about the domain objects. Most of these are defined by Isis itself, but some are from other libraries. It also identifies a number of annotations that are now deprecated, and indicates their replacement.</p> 
+        </div> 
+        <div class="sect2"> 
+         <h3 id="_other_guides">1.1. Other Guides</h3> 
+         <div class="paragraph"> 
+          <p>Apache Isis documentation is broken out into a number of user, reference and "supporting procedures" guides.</p> 
+         </div> 
+         <div class="paragraph"> 
+          <p>The user guides available are:</p> 
+         </div> 
+         <div class="ulist"> 
+          <ul> 
+           <li> <p><a href="../ugfun/ugfun.html">Fundamentals</a></p> </li> 
+           <li> <p><a href="../ugvw/ugvw.html">Wicket viewer</a></p> </li> 
+           <li> <p><a href="../ugvro/ugvro.html">Restful Objects viewer</a></p> </li> 
+           <li> <p><a href="../ugodn/ugodn.html">DataNucleus object store</a></p> </li> 
+           <li> <p><a href="../ugsec/ugsec.html">Security</a></p> </li> 
+           <li> <p><a href="../ugtst/ugtst.html">Testing</a></p> </li> 
+           <li> <p><a href="../ugbtb/ugbtb.html">Beyond the Basics</a></p> </li> 
+          </ul> 
+         </div> 
+         <div class="paragraph"> 
+          <p>The reference guides are:</p> 
+         </div> 
+         <div class="ulist"> 
+          <ul> 
+           <li> <p><a href="../rgant/rgant.html">Annotations</a> (this guide)</p> </li> 
+           <li> <p><a href="../rgsvc/rgsvc.html">Domain Services</a></p> </li> 
+           <li> <p><a href="../rgcfg/rgcfg.html">Configuration Properties</a></p> </li> 
+           <li> <p><a href="../rgcms/rgcms.html">Classes, Methods and Schema</a></p> </li> 
+           <li> <p><a href="../rgmvn/rgmvn.html">Apache Isis Maven plugin</a></p> </li> 
+           <li> <p><a href="../rgfis/rgfis.html">Framework Internal Services</a></p> </li> 
+          </ul> 
+         </div> 
+         <div class="paragraph"> 
+          <p>The remaining guides are:</p> 
+         </div> 
+         <div class="ulist"> 
+          <ul> 
+           <li> <p><a href="../dg/dg.html">Developers' Guide</a> (how to set up a development environment for Apache Isis and contribute back to the project)</p> </li> 
+           <li> <p><a href="../cgcom/cgcom.html">Committers' Guide</a> (release procedures and related practices)</p> </li> 
+          </ul> 
+         </div> 
+        </div> 
+        <div class="sect2"> 
+         <h3 id="_examples">1.2. Examples</h3> 
+         <div class="paragraph"> 
+          <p>To give just a few examples of annotations supported by Apache Isis:</p> 
+         </div> 
+         <div class="ulist"> 
+          <ul> 
+           <li> <p>if a property is read-only, then this can be annotated with <code>@Property(editing=EditingDISABLED)</code>.</p> </li> 
+           <li> <p>if a class has a small fixed set of instances (eg a picklist), then it can be annotated using <code>@DomainObject(bounded=true)</code></p> </li> 
+           <li> <p>if a class is a domain service and should be automatically instantiated as a singleton, then it can be annotated using <code>@DomainService</code></p> </li> 
+           <li> <p>if an action is idempotent, then it can be annotated using <code>@Action(semantics=SemanticsOf.IDEMPOTENT)</code>.</p> </li> 
+           <li> <p>if an action parameter is optional, it can be annotated using <code>@Parameter(optionality=Optionality.OPTIONAL)</code></p> </li> 
+          </ul> 
+         </div> 
+         <div class="paragraph"> 
+          <p>Some annotations act as UI hints, for example:</p> 
+         </div> 
+         <div class="ulist"> 
+          <ul> 
+           <li> <p>if a collection should be rendered "open" rather than collapsed, it can be annotated using <code>@CollectionLayout(render=RenderType.EAGERLY)</code></p> </li> 
+           <li> <p>if an action has a tooltip, it can be annotated using <code>@ActionLayout(describedAs=…​)</code></p> </li> 
+           <li> <p>if a domain object is bookmarkable, it can be annotated using <code>@DomainObjectLayout(bookmarking=BookmarkPolicy.AS_ROOT</code>).</p> </li> 
+          </ul> 
+         </div> 
+        </div> 
+       </div> 
+      </div> 
+      <div class="sect1"> 
+       <h2 id="_rgant_aaa">2. Summary</h2>
+       <div class="btn-group" style="float: right; font-size: small; padding: 6px; margin-top: -55px; ">
+        <button type="button" class="btn btn-xs btn-default" onclick="window.location.href=&quot;https://github.com/apache/isis/edit/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa.adoc&quot;"><i class="fa fa-pencil-square-o"></i>&nbsp;Edit</button>
+        <button type="button" class="btn btn-xs btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"><span class="caret"></span><span class="sr-only">Toggle Dropdown</span></button>
+        <ul class="dropdown-menu">
+         <li><a href="https://github.com/apache/isis/edit/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa.adoc" target="_blank"><i class="fa fa-pencil-square-o fa-fw" aria-hidden="true"></i>&nbsp; Edit</a></li>
+         <li><a href="https://github.com/apache/isis/commits/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa.adoc" target="_blank"><i class="fa fa-clock-o fa-fw" aria-hidden="true"></i>&nbsp; History</a></li>
+         <li><a href="https://github.com/apache/isis/raw/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa.adoc" target="_blank"><i class="fa fa-file-text-o fa-fw" aria-hidden="true"></i>&nbsp; Raw</a></li>
+         <li><a href="https://github.com/apache/isis/blame/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa.adoc" target="_blank"><i class="fa fa-hand-o-right fa-fw" aria-hidden="true"></i>&nbsp; Blame</a></li>
+        </ul>
+       </div> 
+       <div class="sectionbody"> 
+        <div class="paragraph"> 
+         <p>This section summarizes the various annotations supported by Apache Isis. They break out into five categories.</p> 
+        </div> 
+        <div class="sect2"> 
+         <h3 id="_rgant_aaa_main">2.1. Core annotations</h3>
+         <div class="btn-group" style="float: right; font-size: small; padding: 6px; margin-top: -55px; ">
+          <button type="button" class="btn btn-xs btn-default" onclick="window.location.href=&quot;https://github.com/apache/isis/edit/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_main.adoc&quot;"><i class="fa fa-pencil-square-o"></i>&nbsp;Edit</button>
+          <button type="button" class="btn btn-xs btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"><span class="caret"></span><span class="sr-only">Toggle Dropdown</span></button>
+          <ul class="dropdown-menu">
+           <li><a href="https://github.com/apache/isis/edit/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_main.adoc" target="_blank"><i class="fa fa-pencil-square-o fa-fw" aria-hidden="true"></i>&nbsp; Edit</a></li>
+           <li><a href="https://github.com/apache/isis/commits/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_main.adoc" target="_blank"><i class="fa fa-clock-o fa-fw" aria-hidden="true"></i>&nbsp; History</a></li>
+           <li><a href="https://github.com/apache/isis/raw/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_main.adoc" target="_blank"><i class="fa fa-file-text-o fa-fw" aria-hidden="true"></i>&nbsp; Raw</a></li>
+           <li><a href="https://github.com/apache/isis/blame/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_main.adoc" target="_blank"><i class="fa fa-hand-o-right fa-fw" aria-hidden="true"></i>&nbsp; Blame</a></li>
+          </ul>
+         </div> 
+         <div class="paragraph"> 
+          <p>In Apache Isis every domain object is either a domain entity, a view model or a domain service. And each of these are made up of properties, collections and actions (domain services only have actions).</p> 
+         </div> 
+         <div class="paragraph"> 
+          <p>For each of these domain types and members there are two annotations. One covers the semantics intrinsic to the domain (eg whether an action parameter is optional or not), then other (suffix <code>…​Layout</code>) captures semantics relating to the UI/presentation layer.</p> 
+         </div> 
+         <div class="admonitionblock tip"> 
+          <table> 
+           <tbody>
+            <tr> 
+             <td class="icon"> <i class="fa icon-tip" title="Tip"></i> </td> 
+             <td class="content"> 
+              <div class="paragraph"> 
+               <p>Most UI semantics can also be specified using <a href="../ugvw/ugvw.html#_ugvw_layout_file-based">dynamic object layout</a>.</p> 
+              </div> </td> 
+            </tr> 
+           </tbody>
+          </table> 
+         </div> 
+         <div class="paragraph"> 
+          <p>The table below summarizes these most commonly used annotations in Apache Isis.</p> 
+         </div> 
+         <table class="tableblock frame-all grid-all spread"> 
+          <caption class="title">
+           Table 1. Core annotations for domain objects, services and members
+          </caption> 
+          <colgroup> 
+           <col style="width: 25%;"> 
+           <col style="width: 50%;"> 
+           <col style="width: 12.5%;"> 
+           <col style="width: 12.5%;"> 
+          </colgroup> 
+          <thead> 
+           <tr> 
+            <th class="tableblock halign-left valign-top">Annotation</th> 
+            <th class="tableblock halign-left valign-top">Purpose</th> 
+            <th class="tableblock halign-left valign-top">Layer</th> 
+            <th class="tableblock halign-left valign-top"><a href="../ugvw/ugvw.html#_ugvw_layout_file-based">File-based layout</a>?</th> 
+           </tr> 
+          </thead> 
+          <tbody> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-Action"><code>@Action</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Domain semantics for actions</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-ActionLayout"><code>@ActionLayout</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>User interface hints for actions</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Yes</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-Collection"><code>@Collection</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Domain semantics for collections</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-CollectionLayout"><code>@CollectionLayout</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>User interface hints for collections</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Yes</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-DomainObject"><code>@DomainObject</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Domain semantics for domain object (entities and optionally view models, see also <code>@ViewModel)</code></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-DomainObjectLayout"><code>@DomainObjectLayout</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>User interface hints for domain object (entities and optionally view models, see also <code>@ViewModelLayout)</code></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Yes</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-DomainService"><code>@DomainService</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Class is a domain service (rather than an entity or view model)</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-DomainServiceLayout"><code>@DomainServiceLayout</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>User interface hints for domain services</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-Parameter"><code>@Parameter</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Domain semantics for action parameters</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-ParameterLayout"><code>@ParameterLayout</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Layout hints for an action parameter (currently: its label position either to top or the left).</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Yes</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-Property"><code>@Property</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Domain semantics for properties</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-PropertyLayout"><code>@PropertyLayout</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Layout hints for a property</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Yes</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-ViewModel"><code>@ViewModel</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Specify that a class is a view model (as opposed to an entity or domain service); equivalent to <code>@DomainObject(nature</code>=VIEW_MODEL).</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain, Persistence</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-ViewModelLayout"><code>@ViewModelLayout</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>User interface hints for view models. For use with <code>@ViewModel</code>. If specifying view models using <code>@DomainObject(nature=VIEW_MODEL)</code> then use <code>@DomainObjectLayout</code>)</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Yes</p></td> 
+           </tr> 
+          </tbody> 
+         </table> 
+        </div> 
+        <div class="sect2"> 
+         <h3 id="_rgant_aaa_other">2.2. Other Isis Annotations</h3>
+         <div class="btn-group" style="float: right; font-size: small; padding: 6px; margin-top: -55px; ">
+          <button type="button" class="btn btn-xs btn-default" onclick="window.location.href=&quot;https://github.com/apache/isis/edit/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_other.adoc&quot;"><i class="fa fa-pencil-square-o"></i>&nbsp;Edit</button>
+          <button type="button" class="btn btn-xs btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"><span class="caret"></span><span class="sr-only">Toggle Dropdown</span></button>
+          <ul class="dropdown-menu">
+           <li><a href="https://github.com/apache/isis/edit/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_other.adoc" target="_blank"><i class="fa fa-pencil-square-o fa-fw" aria-hidden="true"></i>&nbsp; Edit</a></li>
+           <li><a href="https://github.com/apache/isis/commits/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_other.adoc" target="_blank"><i class="fa fa-clock-o fa-fw" aria-hidden="true"></i>&nbsp; History</a></li>
+           <li><a href="https://github.com/apache/isis/raw/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_other.adoc" target="_blank"><i class="fa fa-file-text-o fa-fw" aria-hidden="true"></i>&nbsp; Raw</a></li>
+           <li><a href="https://github.com/apache/isis/blame/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_other.adoc" target="_blank"><i class="fa fa-hand-o-right fa-fw" aria-hidden="true"></i>&nbsp; Blame</a></li>
+          </ul>
+         </div> 
+         <div class="paragraph"> 
+          <p>These annotations are also commonly used, but relate <em>not</em> to objects or object members but instead to other aspects of the Apache Isis metamodel.</p> 
+         </div> 
+         <table class="tableblock frame-all grid-all spread"> 
+          <caption class="title">
+           Table 2. Other Isis Annotations
+          </caption> 
+          <colgroup> 
+           <col style="width: 25%;"> 
+           <col style="width: 50%;"> 
+           <col style="width: 12.5%;"> 
+           <col style="width: 12.5%;"> 
+          </colgroup> 
+          <thead> 
+           <tr> 
+            <th class="tableblock halign-left valign-top">Annotation</th> 
+            <th class="tableblock halign-left valign-top">Purpose</th> 
+            <th class="tableblock halign-left valign-top">Layer</th> 
+            <th class="tableblock halign-left valign-top"><a href="../ugvw/ugvw.html#_ugvw_layout_file-based">File-based layout</a>?</th> 
+           </tr> 
+          </thead> 
+          <tbody> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-Facets"><code>@Facets</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Install arbitrary facets within the Apache Isis metamodel.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">(any)</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-HomePage"><code>@HomePage</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Query-only action (on domain service) to be invoked, result of which is rendered as the user’s home page.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-MemberOrder"><code>@MemberOrder</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Ordering of properties, collections and actions, and also associating actions with either a property or a collection.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Yes</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-MinLength"><code>@MinLength</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Minimum number of characters required for an auto-complete search argument.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-Programmatic"><code>@Programmatic</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Ignore a public method, excluded from the Apache Isis metamodel.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+          </tbody> 
+         </table> 
+        </div> 
+        <div class="sect2"> 
+         <h3 id="_rgant_aaa_jdo">2.3. JDO Annotations</h3>
+         <div class="btn-group" style="float: right; font-size: small; padding: 6px; margin-top: -55px; ">
+          <button type="button" class="btn btn-xs btn-default" onclick="window.location.href=&quot;https://github.com/apache/isis/edit/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_jdo.adoc&quot;"><i class="fa fa-pencil-square-o"></i>&nbsp;Edit</button>
+          <button type="button" class="btn btn-xs btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"><span class="caret"></span><span class="sr-only">Toggle Dropdown</span></button>
+          <ul class="dropdown-menu">
+           <li><a href="https://github.com/apache/isis/edit/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_jdo.adoc" target="_blank"><i class="fa fa-pencil-square-o fa-fw" aria-hidden="true"></i>&nbsp; Edit</a></li>
+           <li><a href="https://github.com/apache/isis/commits/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_jdo.adoc" target="_blank"><i class="fa fa-clock-o fa-fw" aria-hidden="true"></i>&nbsp; History</a></li>
+           <li><a href="https://github.com/apache/isis/raw/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_jdo.adoc" target="_blank"><i class="fa fa-file-text-o fa-fw" aria-hidden="true"></i>&nbsp; Raw</a></li>
+           <li><a href="https://github.com/apache/isis/blame/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_jdo.adoc" target="_blank"><i class="fa fa-hand-o-right fa-fw" aria-hidden="true"></i>&nbsp; Blame</a></li>
+          </ul>
+         </div> 
+         <div class="paragraph"> 
+          <p>Apache Isis uses JDO/DataNucleus as its ORM, and infers some of its own metadata from the JDO annotations.</p> 
+         </div> 
+         <div class="admonitionblock warning"> 
+          <table> 
+           <tbody>
+            <tr> 
+             <td class="icon"> <i class="fa icon-warning" title="Warning"></i> </td> 
+             <td class="content"> 
+              <div class="paragraph"> 
+               <p>Isis (currently) builds up metadata by parsing the JDO annotations from source, <em>not</em> by querying the JDO metamodel. The upshot is that, for the annotations documented here at least, your domain entities must use JDO annotations rather than XML.</p> 
+              </div> 
+              <div class="paragraph"> 
+               <p>Furthermore, note that although JDO (the property-related) annotations to be placed on either the field or on the getter, Apache Isis requires that annotations are placed on the getter.</p> 
+              </div> </td> 
+            </tr> 
+           </tbody>
+          </table> 
+         </div> 
+         <div class="paragraph"> 
+          <p>The table below lists the JDO annotations currently recognized by Apache Isis.</p> 
+         </div> 
+         <table class="tableblock frame-all grid-all spread"> 
+          <caption class="title">
+           Table 3. JDO Annotations
+          </caption> 
+          <colgroup> 
+           <col style="width: 25%;"> 
+           <col style="width: 50%;"> 
+           <col style="width: 12.5%;"> 
+           <col style="width: 12.5%;"> 
+          </colgroup> 
+          <thead> 
+           <tr> 
+            <th class="tableblock halign-left valign-top">Annotation</th> 
+            <th class="tableblock halign-left valign-top">Purpose</th> 
+            <th class="tableblock halign-left valign-top">Layer</th> 
+            <th class="tableblock halign-left valign-top">Applies to</th> 
+           </tr> 
+          </thead> 
+          <tbody> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-Column"><code>@javax.jdo.annotations.</code><br> <code>Column</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Used to determine whether a property is mandatory or optional. For <code>String</code> and <code>BigDecimal</code> properties, used to determine length/precision/scale.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain / persistence</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Property</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-Discriminator"><code>@javax.jdo.annotations.</code><br> <code>Discriminator</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Override for the object type, as used in `Bookmark`s, URLs for <a href="../ugvro/ugvro.html">RestfulObjects viewer</a> and elsewhere.<br></p> 
+              </div> 
+              <div class="paragraph"> 
+               <p>Note that the discriminator overrides the object type that may otherwise be inferred from the <a href="../rgant/rgant.html#_rgant-PersistenceCapable"><code>@PersistenceCapable</code></a> annotation.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain / persistence</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Class</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-NotPersistent"><code>@javax.jdo.annotations.</code><br> <code>NotPersistent</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Used to determine whether to enforce or skip some <a href="../ugbtb/ugbtb.html#_ugbtb_programming-model_custom-validator">metamodel validation</a> for <code>@Column</code> versus equivalent Isis annotations.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain / persistence</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Property</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-PersistenceCapable"><code>@javax.jdo.annotations.</code><br> <code>PersistenceCapable</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Used to build Apache Isis' own internal identifier for objects.<br></p> 
+              </div> 
+              <div class="paragraph"> 
+               <p>If the <code>schema()</code> attribute is specified (and if <a href="../rgant/rgant.html#<em>rgant-Discriminator"><code>@Discriminator</code></a> _hasn’t been specified), is also used to derive the object type, as used in `Bookmark`s, URLs for <a href="../ugvro/ugvro.html">RestfulObjects viewer</a> and elsewhere.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain / persistence</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Class</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-PrimaryKey"><code>@javax.jdo.annotations.</code><br> <code>PrimaryKey</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Used to ensure Apache Isis does not overwrite application-defined primary keys, and to ensure is read-only in the UI.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain / persistence</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Property</p></td> 
+           </tr> 
+          </tbody> 
+         </table> 
+         <div class="paragraph"> 
+          <p>Isis also parses the following JDO annotations, but the metadata is currently unused.</p> 
+         </div> 
+         <table class="tableblock frame-all grid-all spread"> 
+          <caption class="title">
+           Table 4. JDO Annotations (unused within Apache Isis)
+          </caption> 
+          <colgroup> 
+           <col style="width: 25%;"> 
+           <col style="width: 50%;"> 
+           <col style="width: 12.5%;"> 
+           <col style="width: 12.5%;"> 
+          </colgroup> 
+          <thead> 
+           <tr> 
+            <th class="tableblock halign-left valign-top">Annotation</th> 
+            <th class="tableblock halign-left valign-top">Purpose</th> 
+            <th class="tableblock halign-left valign-top">Layer</th> 
+            <th class="tableblock halign-left valign-top">Applies to</th> 
+           </tr> 
+          </thead> 
+          <tbody> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@javax.jdo.annotations.</code><br> <code>DataStoreIdentity</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Unused</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Persistence</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Class</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@javax.jdo.annotations.</code><br> <code>EmbeddedOnly</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Unused</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Persistence</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Class</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@javax.jdo.annotations.</code><br> <code>Query</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Unused</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Persistence</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Class</p></td> 
+           </tr> 
+          </tbody> 
+         </table> 
+        </div> 
+        <div class="sect2"> 
+         <h3 id="_rgant_aaa_jee">2.4. Java EE Annotations</h3>
+         <div class="btn-group" style="float: right; font-size: small; padding: 6px; margin-top: -55px; ">
+          <button type="button" class="btn btn-xs btn-default" onclick="window.location.href=&quot;https://github.com/apache/isis/edit/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_jee.adoc&quot;"><i class="fa fa-pencil-square-o"></i>&nbsp;Edit</button>
+          <button type="button" class="btn btn-xs btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"><span class="caret"></span><span class="sr-only">Toggle Dropdown</span></button>
+          <ul class="dropdown-menu">
+           <li><a href="https://github.com/apache/isis/edit/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_jee.adoc" target="_blank"><i class="fa fa-pencil-square-o fa-fw" aria-hidden="true"></i>&nbsp; Edit</a></li>
+           <li><a href="https://github.com/apache/isis/commits/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_jee.adoc" target="_blank"><i class="fa fa-clock-o fa-fw" aria-hidden="true"></i>&nbsp; History</a></li>
+           <li><a href="https://github.com/apache/isis/raw/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_jee.adoc" target="_blank"><i class="fa fa-file-text-o fa-fw" aria-hidden="true"></i>&nbsp; Raw</a></li>
+           <li><a href="https://github.com/apache/isis/blame/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_jee.adoc" target="_blank"><i class="fa fa-hand-o-right fa-fw" aria-hidden="true"></i>&nbsp; Blame</a></li>
+          </ul>
+         </div> 
+         <div class="paragraph"> 
+          <p>While Apache Isis does, as of today, define a good number of its own annotations, the policy is to reuse standard Java/JEE annotations wherever they exist or are added to the Java platform.</p> 
+         </div> 
+         <div class="paragraph"> 
+          <p>The table below lists the JEE annotations currently recognized. Expect to see more added in future releases of Apache Isis.</p> 
+         </div> 
+         <table class="tableblock frame-all grid-all spread"> 
+          <caption class="title">
+           Table 5. Java EE Annotations
+          </caption> 
+          <colgroup> 
+           <col style="width: 25%;"> 
+           <col style="width: 50%;"> 
+           <col style="width: 12.5%;"> 
+           <col style="width: 12.5%;"> 
+          </colgroup> 
+          <thead> 
+           <tr> 
+            <th class="tableblock halign-left valign-top">Annotation</th> 
+            <th class="tableblock halign-left valign-top">Purpose</th> 
+            <th class="tableblock halign-left valign-top">Layer</th> 
+            <th class="tableblock halign-left valign-top"><a href="../ugvw/ugvw.html#_ugvw_layout_file-based">File-based layout</a>?</th> 
+           </tr> 
+          </thead> 
+          <tbody> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-Digits"><code>@javax.validation.</code><br> <code>constraints.</code><br> <code>Digits</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Precision/scale for BigDecimal values.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-Inject"><code>@javax.inject.</code><br> <code>Inject</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Inject domain service into a domain object (entity or view model) or another domain service.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-Digits"><code>@javax.annotation.</code><br> <code>Nullable</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Specify that a property/parameter is optional.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-PostConstruct"><code>@javax.annotation.</code><br> <code>PostConstruct</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Callback for domain services (either singleton or <a href="../rgant/rgant.html#_rgant-RequestScoped">request-scoped</a>) to initialize themselves once instantiated.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-PreDestroy"><code>@javax.annotation.</code><br> <code>PreDestroy</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Callback for domain services (either singleton or <a href="../rgant/rgant.html#_rgant-RequestScoped">request-scoped</a>) to clean up resources prior to destruction.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-RequestScoped"><code>@javax.enterprise.</code><br> <code>context.</code><br> <code>RequestScoped</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Specify that a domain service has request-scope (rather than a singleton).</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-XmlRootElement"><code>javax.xml.bind</code><br> <code>.annotation</code><br> <code>XmlRootElement</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>JAXB annotation indicating the XML root element when serialized to XML; also used by the framework for view models (whose memento is the XML), often also acting as a DTO.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Application</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../rgant/rgant.html#_rgant-XmlJavaTypeAdapter"><code>javax.xml.bind</code><br> <code>.annotation</code><br> <code>XmlJavaTypeAdapter</code></a></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>JAXB annotation defining how to serialize an entity. Used in conjunction with the (framework provided) <code>PersistentEntityAdapter</code> class to serialize persistent entities into a canonical OID (equivalent to the <code>Bookmark</code> provided by the <a href="../rgsvc/rgsvc.html#_rgsvc_integration-api_BookmarkService"><code>BookmarkService</code></a>).</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+          </tbody> 
+         </table> 
+        </div> 
+        <div class="sect2"> 
+         <h3 id="_rgant_aaa_deprecated">2.5. Deprecated Annotations</h3>
+         <div class="btn-group" style="float: right; font-size: small; padding: 6px; margin-top: -55px; ">
+          <button type="button" class="btn btn-xs btn-default" onclick="window.location.href=&quot;https://github.com/apache/isis/edit/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_deprecated.adoc&quot;"><i class="fa fa-pencil-square-o"></i>&nbsp;Edit</button>
+          <button type="button" class="btn btn-xs btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"><span class="caret"></span><span class="sr-only">Toggle Dropdown</span></button>
+          <ul class="dropdown-menu">
+           <li><a href="https://github.com/apache/isis/edit/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_deprecated.adoc" target="_blank"><i class="fa fa-pencil-square-o fa-fw" aria-hidden="true"></i>&nbsp; Edit</a></li>
+           <li><a href="https://github.com/apache/isis/commits/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_deprecated.adoc" target="_blank"><i class="fa fa-clock-o fa-fw" aria-hidden="true"></i>&nbsp; History</a></li>
+           <li><a href="https://github.com/apache/isis/raw/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_deprecated.adoc" target="_blank"><i class="fa fa-file-text-o fa-fw" aria-hidden="true"></i>&nbsp; Raw</a></li>
+           <li><a href="https://github.com/apache/isis/blame/master/adocs/documentation/src/main/asciidoc/guides/rgant/_rgant_aaa_deprecated.adoc" target="_blank"><i class="fa fa-hand-o-right fa-fw" aria-hidden="true"></i>&nbsp; Blame</a></li>
+          </ul>
+         </div> 
+         <div class="paragraph"> 
+          <p>As Apache Isis has evolved and grown, we found ourselves adding more and more annotations; but most of these related to either an object type (entity, view model, service) or an object member (property, collection, action). Over time it became harder and harder for end programmers to discover these new features.</p> 
+         </div> 
+         <div class="paragraph"> 
+          <p>Accordingly, (in v1.8.0) we decided to unify the semantics into the main (core) annotations listed <a href="../rgant/rgant.html#_rgant-aaa_main">above</a>.</p> 
+         </div> 
+         <div class="paragraph"> 
+          <p>The annotations listed in the table below are still supported by Apache Isis, but will be retired in Apache Isis v2.0.</p> 
+         </div> 
+         <table class="tableblock frame-all grid-all spread"> 
+          <caption class="title">
+           Table 6. Deprecated Annotations
+          </caption> 
+          <colgroup> 
+           <col style="width: 18.1818%;"> 
+           <col style="width: 36.3636%;"> 
+           <col style="width: 27.2727%;"> 
+           <col style="width: 9.0909%;"> 
+           <col style="width: 9.091%;"> 
+          </colgroup> 
+          <thead> 
+           <tr> 
+            <th class="tableblock halign-left valign-top">Annotation</th> 
+            <th class="tableblock halign-left valign-top">Purpose</th> 
+            <th class="tableblock halign-left valign-top">Use instead</th> 
+            <th class="tableblock halign-left valign-top">Layer</th> 
+            <th class="tableblock halign-left valign-top"><a href="../ugvw/ugvw.html#_ugvw_layout_file-based">File-based layout</a>?</th> 
+           </tr> 
+          </thead> 
+          <tbody> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@ActionOrder</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Order of buttons and menu items representing actions.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><a href="../rgant/rgant.html#_rgant-MemberOrder"><code>@MemberOrder</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Yes</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@ActionInteraction</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Enable subscribers on the Event Bus Service to either veto, validate or take further steps before/after an action has been invoked.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><a href="../rgant/rgant.html#_rgant-Action_domainEvent"><code>@Action#domainEvent()</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@ActionSemantics</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Query-only, idempotent or non-idempotent.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><a href="../rgant/rgant.html#_rgant-Action_semantics"><code>@Action#semantics()</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@Audited</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Audit changes to an object.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><a href="../rgant/rgant.html#_rgant-DomainObject_auditing"><code>@DomainObject#</code><br> <code>auditing()</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@AutoComplete</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Repository method to search for entities</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><a href="../rgant/rgant.html#_rgant-DomainObject_autoCompleteRepository"><code>@DomainObject</code><br> <code>#autoCompleteRepository()</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI/Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@Bookmarkable</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Whether (and how) to create a bookmark for visited object.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><a href="../rgant/rgant.html#_rgant-DomainObjectLayout_bookmarking"><code>@DomainObjectLayout</code><br> <code>#bookmarking()</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@Bounded</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Bounded (and limited) number of instances of an entity type, translates into a drop-down for any property of that type.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><a href="../rgant/rgant.html#_rgant-DomainObject_bounded"><code>@DomainObject#bounded()</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@Bulk</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Indicates an action is a bulk action, can be applied to multiple instances.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><a href="../rgant/rgant.html#_rgant-Action_invokeOn"><code>@Action#invokeOn()</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI, Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@CollectionInteraction</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Enable subscribers on the Event Bus Service to either veto, validate or take further steps before/after a collection has been added to or removed from.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><a href="../rgant/rgant.html#_rgant-Collection_domainEvent"><code>@Collection#domainEvent()</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@Command</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Action invocation should be reified as a command object, optionally persistable for profiling and enhanced auditing, and background/async support.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><a href="../rgant/rgant.html#_rgant-Action_command"><code>@Action#command()</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@CssClass</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Allow visual representation of individual objects or object members layout to be customized by application-specific CSS.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><code>#cssClass()</code> attribute for: <a href="../rgant/rgant.html#_rgant-DomainObjectLayout_cssClass"><code>@DomainObjectLayout</code></a>, <a href="../rgant/rgant.html#_rgant-PropertyLayout_cssClass"><code>@PropertyLayout</code></a>, <a href="../rgant/rgant.html#_rgant-CollectionLayout_cssClass"><code>@CollectionLayout</code></a>, <a href="../rgant/rgant.html#_rgant-ActionLayout_cssClass"><code>@ActionLayout</code></a> and <a href="../rgant/rgant.html#_rgant-ParameterLayout_cssClass"><code>@ParameterLayout</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Yes</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@CssClassFa</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>So that font awesome icons can be applied to action buttons/menu items and optionally as an object icon.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><code>cssClassFa()</code> attribute for: <a href="../rgant/rgant.html#_rgant-ActionLayout_cssClassFa"><code>@ActionLayout</code></a>, <a href="../rgant/rgant.html#_rgant-DomainObjectLayout_cssClassFa"><code>DomainObjectLayout</code></a> and <a href="../rgant/rgant.html#_rgant-ViewModelLayout_cssClassFa"><code>ViewModelLayout</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Yes</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@Debug</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Action only invokable in debug mode.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Not supported by either the <a href="../ugvw/ugvw.html">Wicket viewer</a> or the <a href="../ugvro/ugvro.html">RestfulObjects viewer</a>; use prototype mode instead (<a href="../rgant/rgant.html#_rgant-Action_restrictTo"><code>@Action#restrictTo()</code></a>)</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@DescribedAs</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Provide a longer description/tool-tip of an object or object member.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><code>#describedAs()</code> attribute for <a href="../rgant/rgant.html#_rgant-DomainObject_describedAs"><code>@DomainObjectLayout</code></a>, <a href="../rgant/rgant.html#_rgant-PropertyLayout_describedAs"><code>@PropertyLayout</code></a>, <a href="../rgant/rgant.html#_rgant-CollectionLayout_describedAs"><code>@CollectionLayout</code></a>, <a href="../rgant/rgant.html#_rgant-ActionLayout_describedAs"><code>@ActionLayout</code></a> and <a href="../rgant/rgant.html#_rgant-ParameterLayout_describedAs"><code>@ParameterLayout</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Yes</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@Disabled</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Object property cannot be edited, an object collection cannot be added to/removed from, or an object action cannot be invoked.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><code>#editing()</code> attribute for <a href="../rgant/rgant.html#_rgant-Property_editing"><code>@Property</code></a>, <a href="../rgant/rgant.html#_rgant-Collection_editing"><code>@Collection</code></a> and <a href="../rgant/rgant.html#_rgant-DomainObject_editing"><code>@DomainObject</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI, Domain</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Yes</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@Exploration</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Action available in special 'exploration' mode.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Not supported by either the <a href="../ugvw/ugvw.html">Wicket viewer</a> or the <a href="../ugvro/ugvro.html">RestfulObjects viewer</a>; use prototype mode instead (<a href="../rgant/rgant.html#_rgant-Action_restrictTo"><code>@Action#restrictTo()</code></a>)</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@FieldOrder</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Order of properties and collections.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><a href="../rgant/rgant.html#_rgant-MemberOrder"><code>@MemberOrder</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Yes</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@Hidden</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Object member is not visible, or on domain service (to indicate that none of its actions are visible).</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>For domain object members, use <code>#hidden()</code> attribute of <a href="../rgant/rgant.html#_rgant-Action_hidden"><code>Action</code></a>, <a href="../rgant/rgant.html#_rgant-Property_hidden"><code>Property</code></a> or <a href="../rgant/rgant.html#_rgant-Collection_hidden"><code>Collection</code></a>. <br> For domain service, use <a href="../rgant/rgant.html#_rgant-DomainService_nature"><code>@DomainService(</code><br> <code>nature=DOMAIN)</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI, Domain</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Yes</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@Idempotent</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Whether an action is idempotent (can be invoked multiple times with same post-condition).</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><a href="../rgant/rgant.html#_rgant-Action_semantics"><code>@Action#semantics</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@Ignore</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Exclude this method from the metamodel.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><a href="../rgant/rgant.html#_rgant-Programmatic"><code>@Programmatic</code></a>.<br></p> 
+              </div> 
+              <div class="paragraph"> 
+               <p><code>@Ignore</code> was deprecated because it can easily clash with <code>@org.junit.Ignore</code>.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@Immutable</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>An object’s state cannot be changed (properties cannot be edited, collections cannot be added to or removed from). Actions can still be invoked.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><a href="../rgant/rgant.html#_rgant-DomainObject_editing"><code>@DomainObject#editing()</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@Mask</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>How to parse/render values (never properly supported)</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>(None)</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI/domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@MaxLength</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Maximum length of a property value (strings).</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><code>#maxLength()</code> attribute for <a href="../rgant/rgant.html#_rgant-Property_maxLength"><code>@Property</code></a> or <a href="../rgant/rgant.html#_rgant-Parameter_maxLength"><code>@Parameter</code></a></p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Domain</p></td> 
+            <td class="tableblock halign-left valign-top"></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock"><code>@MemberGroups</code></p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Layout of properties and collections of a domain object or view model object.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><a href="../ugvw/ugvw.html#_ugvw_layout_file-based">dynamic <code>.layout.xml</code></a> files</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">UI</p></td> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">Yes</p></td> 
+           </tr> 
+           <tr> 
+            <td class="tableblock halign-left valign-top"><p class="tableblock">@MemberGroupLayout`</p></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p>Grouping of properties into groups, and organizing of properties, collections into columns.</p> 
+              </div>
+             </div></td> 
+            <td class="tableblock halign-left valign-top">
+             <div>
+              <div class="paragraph"> 
+               <p><a href="../ugvw/ugvw.html#_ugvw_layout_file-based">dynamic <code>.layout.xml</code></a> files</p> 
+              </div>
+             </div></td> 


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