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| <h1 class="page">Core annotations</h1> |
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| <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> |
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| <div class="admonitionblock tip"> |
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| <p>Most UI semantics can also be specified using <a href="../../../../userguide/2.0.0-M3/fun/ui.html#object-layout" class="page">dynamic object layout</a>.</p> |
| </div> |
| </td> |
| </tr> |
| </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 stretch"> |
| <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="../../../../userguide/2.0.0-M3/fun/ui.html#object-layout" class="page">File-based layout</a>?</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td class="tableblock halign-left valign-top"><p class="tableblock"><a href="../Action.html" class="page"><code>@Action</code></a></p></td> |
| <td class="tableblock halign-left valign-top"><div class="content"><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="../ActionLayout.html" class="page"><code>@ActionLayout</code></a></p></td> |
| <td class="tableblock halign-left valign-top"><div class="content"><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="../Collection.html" class="page"><code>@Collection</code></a></p></td> |
| <td class="tableblock halign-left valign-top"><div class="content"><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="../CollectionLayout.html" class="page"><code>@CollectionLayout</code></a></p></td> |
| <td class="tableblock halign-left valign-top"><div class="content"><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="../DomainObject.html" class="page"><code>@DomainObject</code></a></p></td> |
| <td class="tableblock halign-left valign-top"><div class="content"><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="../DomainObjectLayout.html" class="page"><code>@DomainObjectLayout</code></a></p></td> |
| <td class="tableblock halign-left valign-top"><div class="content"><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="../DomainService.html" class="page"><code>@DomainService</code></a></p></td> |
| <td class="tableblock halign-left valign-top"><div class="content"><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="../DomainServiceLayout.html" class="page"><code>@DomainServiceLayout</code></a></p></td> |
| <td class="tableblock halign-left valign-top"><div class="content"><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="../Parameter.html" class="page"><code>@Parameter</code></a></p></td> |
| <td class="tableblock halign-left valign-top"><div class="content"><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="../ParameterLayout.html" class="page"><code>@ParameterLayout</code></a></p></td> |
| <td class="tableblock halign-left valign-top"><div class="content"><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="../Property.html" class="page"><code>@Property</code></a></p></td> |
| <td class="tableblock halign-left valign-top"><div class="content"><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="../PropertyLayout.html" class="page"><code>@PropertyLayout</code></a></p></td> |
| <td class="tableblock halign-left valign-top"><div class="content"><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="../ViewModel.html" class="page"><code>@ViewModel</code></a></p></td> |
| <td class="tableblock halign-left valign-top"><div class="content"><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> |
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