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Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.doc.user/task_inheritance.htm')
| -rw-r--r-- | jpa/plugins/org.eclipse.jpt.doc.user/task_inheritance.htm | 101 |
1 files changed, 33 insertions, 68 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.doc.user/task_inheritance.htm b/jpa/plugins/org.eclipse.jpt.doc.user/task_inheritance.htm index 15a4d073d7..32e22f2f7f 100644 --- a/jpa/plugins/org.eclipse.jpt.doc.user/task_inheritance.htm +++ b/jpa/plugins/org.eclipse.jpt.doc.user/task_inheritance.htm @@ -3,33 +3,33 @@ <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii" /> - <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <title>Specifying entity inheritance</title> -<meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1.1" /> -<meta name="date" content="2010-05-19T8:12:43Z" /> +<meta name="copyright" content="Copyright (c) 2000, 2009 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" /> +<meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 1.0.11" /> +<meta name="date" content="2012-09-11T7:44:4Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="Specifying entity inheritance" /> -<meta name="relnum" content="Release 2.3" /> -<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" /> +<meta name="relnum" content="Release 3.2" /> +<meta name="partnum" content="Release 3.2" /> <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" /> -<!-- contents --> </head> <body> +<p class="betadraftsubtitle">Beta Draft: 2012-09-11</p> <p><a id="CIHCCCJD" name="CIHCCCJD"></a></p> <div class="sect1"><!-- infolevel="all" infotype="General" --> <h1>Specifying entity inheritance</h1> -<p><a id="sthref93" name="sthref93"></a><a id="sthref94" name="sthref94"></a>An entity may inherit properties from other entities. You can specify a specific strategy to use for inheritance.</p> +<p><a id="sthref132" name="sthref132"></a><a id="sthref133" name="sthref133"></a>An entity may inherit properties from other entities. You can specify a specific strategy to use for inheritance.</p> <p>Use this procedure to specify inheritance (<code>@Inheritance)</code> for an existing entity (<code>@Entity</code>):</p> <ol> <li> <p>Select the entity in the <span class="gui-object-title">Project Explorer</span>.</p> </li> <li> -<p>In the <span class="gui-object-title">JPA Details</span> view, select the <span class="gui-object-action">Inheritance</span> information.</p> -<div class="figure"><a id="sthref95" name="sthref95"></a> +<p>In the <span class="gui-object-title">JPA Details</span> view, select the <a href="reference018.htm#CACFHGHE">Inheritance</a> information.</p> +<div class="figure"><a id="sthref134" name="sthref134"></a> <p class="titleinfigure">Specifying Inheritance</p> <img src="img/inheritance_tab.png" alt="Selecting the Inheritance area on the JPA Details view." title="Selecting the Inheritance area on the JPA Details view." /><br /></div> <!-- class="figure" --></li> @@ -48,50 +48,9 @@ </ul> </li> <li> -<p>Use the following table to complete the remaining fields on the tab. See <a href="reference009.htm#CACFHGHE">"Inheritance information"</a> for additional details.</p> -<div class="inftblruleinformal"> -<table class="RuleInformal" title="This table describes the options on the Persistence Properties view, Inheritance tab." summary="This table describes the options on the Persistence Properties view, Inheritance tab." dir="ltr" border="1" width="100%" frame="border" rules="all" cellpadding="3" cellspacing="0"> -<col width="24%" /> -<col width="*" /> -<col width="23%" /> -<thead> -<tr align="left" valign="top"> -<th align="left" valign="bottom" id="r1c1-t13">Property</th> -<th align="left" valign="bottom" id="r1c2-t13">Description</th> -<th align="left" valign="bottom" id="r1c3-t13">Default</th> -</tr> -</thead> -<tbody> -<tr align="left" valign="top"> -<td align="left" id="r2c1-t13" headers="r1c1-t13"><a id="sthref96" name="sthref96"></a><a id="sthref97" name="sthref97"></a>Discriminator Column</td> -<td align="left" headers="r2c1-t13 r1c2-t13">Name of the discriminator column when using a <span class="bold">Single</span> or <span class="bold">Joined</span> inheritance strategy. -<p>This field corresponds to the <code>@DiscriminatorColumn</code> annotation.</p> -</td> -<td align="left" headers="r2c1-t13 r1c3-t13"><br /></td> -</tr> -<tr align="left" valign="top"> -<td align="left" id="r3c1-t13" headers="r1c1-t13">Discriminator Type</td> -<td align="left" headers="r3c1-t13 r1c2-t13">Set the discriminator type to <code>Char</code> or <code>Integer</code> (instead of its default: <code>String</code>). The <span class="bold">Discriminator Value</span> must conform to this type.</td> -<td align="left" headers="r3c1-t13 r1c3-t13">String</td> -</tr> -<tr align="left" valign="top"> -<td align="left" id="r4c1-t13" headers="r1c1-t13"><a id="sthref98" name="sthref98"></a><a id="sthref99" name="sthref99"></a>Discriminator Value</td> -<td align="left" headers="r4c1-t13 r1c2-t13">Specify the discriminator value used to differentiate an entity in this inheritance hierarchy. The value must conform to the specified <span class="bold">Discriminator Type</span>. -<p>This field corresponds to the <code>@DiscriminatorValue</code> annotation.</p> -</td> -<td align="left" headers="r4c1-t13 r1c3-t13"><br /></td> -</tr> -<tr align="left" valign="top"> -<td align="left" id="r5c1-t13" headers="r1c1-t13">Override Default</td> -<td align="left" headers="r5c1-t13 r1c2-t13">Use this field to specify custom primary key join columns. -<p>This field corresponds to the <code>@PrimaryKeyJoinClumn</code> annotation.</p> -</td> -<td align="left" headers="r5c1-t13 r1c3-t13"><br /></td> -</tr> -</tbody> -</table> -<br /></div> -<!-- class="inftblruleinformal" --></li> +<p>Complete the fields in the <a href="reference018.htm#CACFHGHE">Inheritance</a> area.</p> +<p>Use the following table to complete the remaining fields on the tab. See <a href="reference018.htm#CACFHGHE">"Inheritance"</a> for additional details.</p> +</li> </ol> <p>Eclipse adds the following annotations the entity field:</p> <pre xml:space="preserve" class="oac_no_warn"> @@ -103,24 +62,30 @@ referencedColumnName = "<span class="italic"><REFERENCED_COLUMN_NAME></span>") </pre> -<p><a id="sthref100" name="sthref100"></a><a id="sthref101" name="sthref101"></a><a id="sthref102" name="sthref102"></a>The following figures illustrates the different inheritance strategies.</p> -<div class="figure"><a id="sthref103" name="sthref103"></a> +<p><a id="sthref135" name="sthref135"></a><a id="sthref136" name="sthref136"></a><a id="sthref137" name="sthref137"></a>The following figures illustrates the different inheritance strategies.</p> +<div class="figure"><a id="sthref138" name="sthref138"></a> <p class="titleinfigure">Single Table Inheritance</p> <img src="img/inheritance_single.png" alt="This figure illustrates entity inheritance in a single table." title="This figure illustrates entity inheritance in a single table." /><br /></div> <!-- class="figure" --> -<div class="figure"><a id="sthref104" name="sthref104"></a> -<p class="titleinfigure"><a id="sthref105" name="sthref105"></a><a id="sthref106" name="sthref106"></a>Joined Table Inheritance</p> +<div class="figure"><a id="sthref139" name="sthref139"></a> +<p class="titleinfigure"><a id="sthref140" name="sthref140"></a><a id="sthref141" name="sthref141"></a>Joined Table Inheritance</p> <img src="img/inheritance_join.png" alt="This figure illustrates a joined subclass inheritance strategy." title="This figure illustrates a joined subclass inheritance strategy." /><br /></div> <!-- class="figure" --> -<br /> -<p> </p> -<img src="img/ngrelt.png" alt="Related task" title="Related task" /><br /> -<br /> -<a href="task_add_persistence.htm#BABHICAI">Adding persistence to a class</a> -<p> </p> -<img src="img/ngrelc.png" alt="Related concept" title="Related concept" /><br /> -<br /> -<a href="concept_persistence.htm#BABCAHIC">Understanding Java persistence</a><br /></div> +<a id="sthref142" name="sthref142"></a> +<p class="subhead2">Related reference</p> +<ul> +<li> +<p><a href="task_add_persistence.htm#BABHICAI">Adding persistence to a class</a></p> +</li> +</ul> +<a id="sthref143" name="sthref143"></a> +<p class="subhead2">Related concepts</p> +<ul> +<li> +<p><a href="concept_persistence.htm#BABCAHIC">Understanding Java persistence</a></p> +</li> +</ul> +</div> <!-- class="sect1" --> <!-- Start Footer --> <div class="footer"> @@ -128,11 +93,11 @@ <col width="86%" /> <col width="*" /> <tr> -<td align="left"><span class="copyrightlogo">Copyright © 2006, 2010, Oracle and/or its affiliates. All rights reserved.</span><br /> +<td align="left"><span class="copyrightlogo">Copyright © 2011, 2012, 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> <!-- class="footer" --> </body> -</html> +</html>
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