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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 | 66 |
1 files changed, 35 insertions, 31 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 d4e124b0ef..f213fa119d 100644 --- a/jpa/plugins/org.eclipse.jpt.doc.user/task_inheritance.htm +++ b/jpa/plugins/org.eclipse.jpt.doc.user/task_inheritance.htm @@ -2,36 +2,34 @@ "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 8:59:45 --> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii" /> -<title>Specifying entity inheritance</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>Specifying entity inheritance</title> +<meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1.1 Build 004" /> +<meta name="date" content="2009-05-01T8:12:45Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="Specifying entity inheritance" /> -<meta name="relnum" content="Release 2.0" /> +<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="CIHCCCJD" name="CIHCCCJD"></a></p> <div class="sect1"><!-- infolevel="all" infotype="General" --> <h1>Specifying entity inheritance</h1> -<p><a id="sthref80" name="sthref80"></a><a id="sthref81" name="sthref81"></a>An entity may inherit properties from other entities. You can specify a specific strategy to use for inheritance.</p> +<p><a id="sthref92" name="sthref92"></a><a id="sthref93" name="sthref93"></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 start="1"> +<ol> <li> -<p>Select the entity in the <span class="gui-object-title">Package Explorer</span>.</p> +<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="sthref82" name="sthref82"></a> +<div class="figure"><a id="sthref94" name="sthref94"></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> @@ -50,42 +48,45 @@ </ul> </li> <li> -<p>Use the following table to complete the remaining fields on the tab. See <a href="reference012.htm#CACFHGHE">"Inheritance information"</a> for additional details.</p> +<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-t14">Property</th> -<th align="left" valign="bottom" id="r1c2-t14">Description</th> -<th align="left" valign="bottom" id="r1c3-t14">Default</th> +<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-t14" headers="r1c1-t14"><a id="sthref83" name="sthref83"></a><a id="sthref84" name="sthref84"></a>Discriminator Column</td> -<td align="left" headers="r2c1-t14 r1c2-t14">Name of the discriminator column when using a <span class="bold">Single</span> or <span class="bold">Joined</span> inheritance strategy. +<td align="left" id="r2c1-t13" headers="r1c1-t13"><a id="sthref95" name="sthref95"></a><a id="sthref96" name="sthref96"></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-t14 r1c3-t14"><br /></td> +<td align="left" headers="r2c1-t13 r1c3-t13"><br /></td> </tr> <tr align="left" valign="top"> -<td align="left" id="r3c1-t14" headers="r1c1-t14">Discriminator Type</td> -<td align="left" headers="r3c1-t14 r1c2-t14">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-t14 r1c3-t14">String</td> +<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-t14" headers="r1c1-t14"><a id="sthref85" name="sthref85"></a><a id="sthref86" name="sthref86"></a>Discriminator Value</td> -<td align="left" headers="r4c1-t14 r1c2-t14">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>. +<td align="left" id="r4c1-t13" headers="r1c1-t13"><a id="sthref97" name="sthref97"></a><a id="sthref98" name="sthref98"></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-t14 r1c3-t14"><br /></td> +<td align="left" headers="r4c1-t13 r1c3-t13"><br /></td> </tr> <tr align="left" valign="top"> -<td align="left" id="r5c1-t14" headers="r1c1-t14">Override Default</td> -<td align="left" headers="r5c1-t14 r1c2-t14">Use this field to specify custom primary key join columns. +<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-t14 r1c3-t14"><br /></td> +<td align="left" headers="r5c1-t13 r1c3-t13"><br /></td> </tr> </tbody> </table> @@ -102,13 +103,13 @@ referencedColumnName = "<span class="italic"><REFERENCED_COLUMN_NAME></span>") </pre> -<p><a id="sthref87" name="sthref87"></a><a id="sthref88" name="sthref88"></a><a id="sthref89" name="sthref89"></a>The following figures illustrates the different inheritance strategies.</p> -<div class="figure"><a id="sthref90" name="sthref90"></a> +<p><a id="sthref99" name="sthref99"></a><a id="sthref100" name="sthref100"></a><a id="sthref101" name="sthref101"></a>The following figures illustrates the different inheritance strategies.</p> +<div class="figure"><a id="sthref102" name="sthref102"></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="sthref91" name="sthref91"></a> -<p class="titleinfigure"><a id="sthref92" name="sthref92"></a><a id="sthref93" name="sthref93"></a>Joined Table Inheritance</p> +<div class="figure"><a id="sthref103" name="sthref103"></a> +<p class="titleinfigure"><a id="sthref104" name="sthref104"></a><a id="sthref105" name="sthref105"></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 /> @@ -124,8 +125,11 @@ <!-- 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> |