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Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.doc.user/tasks005.htm')
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diff --git a/jpa/plugins/org.eclipse.jpt.doc.user/tasks005.htm b/jpa/plugins/org.eclipse.jpt.doc.user/tasks005.htm index ea5d1dd6bb..656a284634 100644 --- a/jpa/plugins/org.eclipse.jpt.doc.user/tasks005.htm +++ b/jpa/plugins/org.eclipse.jpt.doc.user/tasks005.htm @@ -2,58 +2,92 @@ "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> -<!-- Run date = July 23, 2008 8:59:44 --> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii" /> -<title>Working with orm.xml file</title> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> -<meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.0" /> -<meta name="date" content="2005-07-10T12:57:20+08:00" /> +<title>Entity</title> +<meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1.1 Build 004" /> +<meta name="date" content="2009-05-01T8:12:44Z" /> <meta name="robots" content="noarchive" /> -<meta name="doctitle" content="Working with orm.xml file" /> -<meta name="relnum" content="Release 2.0" /> +<meta name="doctitle" content="Entity" /> +<meta name="relnum" content="Release 2.2" /> <meta name="copyright" content="Copyright (c) 2000, 2008 oracle . All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is available at http://www.eclipse.org/legal/epl-v10.html. Contributors: Oracle - initial API and implementation" /> <link rel="copyright" href="dcommon/html/cpyr.htm" title="Copyright" type="text/html" /> <link rel="stylesheet" href="dcommon/css/blafdoc.css" title="Oracle BLAFDoc" type="text/css" /> -<!-- start--> <!-- contents --> </head> <body> -<p><a id="CIHBCDCE" name="CIHBCDCE"></a></p> +<p><a id="BABGBIEE" name="BABGBIEE"></a></p> <div class="sect2"><!-- infolevel="all" infotype="General" --> -<h1>Working with orm.xml file</h1> -<p><a id="sthref51" name="sthref51"></a><a id="sthref52" name="sthref52"></a>You can work with the <code>orm.xml</code> by using the JPA Details view.</p> -<p>Use this procedure to work with the <code>orm.xml</code> file:</p> -<ol start="1"> +<h1>Entity</h1> +<p><a id="sthref69" name="sthref69"></a><a id="sthref70" name="sthref70"></a><a id="sthref71" name="sthref71"></a><a id="sthref72" name="sthref72"></a>An <span class="bold">Entity</span> is a persistent domain object.</p> +<p>An entity <span class="italic">can be</span>:</p> +<ul> <li> -<p>Right-click the <code>orm.xml</code> file in the <span class="gui-object-title">Package Explorer</span> and select <span class="gui-object-action">Open</span>.</p> +<p>Abstract or concrete classes. Entities may also extend non-entity classes as well as entity classes, and non-entity classes may extend entity classes.</p> </li> +</ul> +<p>An entity <span class="italic">must have</span>:</p> +<ul> <li> -<p>In the JPA Structure view, select <span class="bold">EntityMappings</span>.</p> +<p>A no-arg constructor (public or protected); the entity class may have other constructors as well.</p> </li> +</ul> +<p><a id="sthref73" name="sthref73"></a><a id="sthref74" name="sthref74"></a><a id="sthref75" name="sthref75"></a>Each persistent entity must be mapped to a database table and contain a primary key. Persistent entities are identified by the <code>@Entity</code> annotation.</p> +<p>Use this procedure to add persistence to an existing entity:</p> +<ol> <li> -<p>Use the JPA Details view to configure the entity mapping and persistence unit defaults.</p> -<div class="figure"><a id="sthref53" name="sthref53"></a> -<p class="titleinfigure">JPA Details view for EntityMappings (orm.xml)</p> -<img src="img/details_entitymappings.png" alt="JPA Details view for orm.xml file." title="JPA Details view for orm.xml file." /><br /></div> +<p>Open the Java class in the <span class="gui-object-title">Project Explorer.</span></p> +</li> +<li> +<p>Select the class in the JPA Structure view.</p> +</li> +<li> +<p>In the JPA Details view, click the mapping type hyperlink to access the Mapping Type Selection dialog. In the following figure, clicking <span class="italic">entity</span> invokes the dialog from the JPA Details View.</p> +<div class="figure"><a id="sthref76" name="sthref76"></a> +<p class="titleinfigure">The Mapping Type Hyperlink</p> +<img src="img/mapped_entity_type_link.png" alt="The JPA Details view for an entity showing the mapping type hyperlink." title="The JPA Details view for an entity showing the mapping type hyperlink." /><br /></div> +<!-- class="figure" --> +<div align="center"> +<div class="inftblnotealso"><br /> +<table class="NoteAlso oac_no_warn" summary="" cellpadding="3" cellspacing="0"> +<tbody> +<tr> +<td align="left"> +<p class="notep1">Tip:</p> +You can also change (or add) persistence for an entity by right-clicking the class in the JPA Structure View and then clicking <span class="bold">Map As > Entity</span>.</td> +</tr> +</tbody> +</table> +<br /></div> +<!-- class="inftblnotealso" --></div> +</li> +<li> +<p>Select <span class="bold">Entity</span> from the Mapping Type Selection dialog and then click <span class="bold">OK</span>.</p> +<div class="figure"><a id="sthref77" name="sthref77"></a> +<p class="titleinfigure">The Mapping Type Selection Dialog</p> +<img src="img/mapping_type_selection_entity.png" alt="The Mapping Type selection dialog with Enity selected." title="The Mapping Type selection dialog with Enity selected." /><br /></div> <!-- class="figure" --></li> +<li> +<p>Complete the remaining <a href="ref_persistence_prop_view.htm#BABFAEBB">JPA Details view (for entities)</a>.</p> +</li> </ol> -<img src="img/ngrelt.png" alt="Related task" title="Related task" /><br /> -<br /> -<a href="#CIHBCDCE">Working with orm.xml file</a><br /> -<a href="../org.eclipse.wst.xmleditor.doc.user/topics/cworkXML.html">Working with XML Files</a><br /> <p> </p> -<img src="img/ngrelc.png" alt="Related concept" title="Related concept" /><br /> +<img src="img/ngrelt.png" alt="Related tasks" title="Related tasks" /><br /> <br /> -<a href="concepts003.htm#CHDBIJAC">The orm.xml file</a><br /></div> +<a href="task_add_persistence.htm#BABHICAI">Adding persistence to a class</a><br /> +<a href="task_additonal_tables.htm#CIHGBIEI">Specifying additional tables</a><br /> +<a href="task_inheritance.htm#CIHCCCJD">Specifying entity inheritance</a><br /></div> <!-- class="sect2" --> -<!-- class="sect1" --> <!-- Start Footer --> <div class="footer"> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> +<col width="86%" /> +<col width="*" /> <tr> -<td align="left" width="86%"><a href="dcommon/html/cpyr.htm"><span class="copyrightlogo">Copyright © 2006, 2008, Oracle. All rights reserved.</span></a></td> +<td align="left"><span class="copyrightlogo">Copyright © 2006, 2009, Oracle and/or its affiliates. All rights reserved.</span><br /> +<a href="dcommon/html/cpyr.htm"><span class="copyrightlogo">Legal Notices</span></a></td> </tr> </table> </div> |