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| author | Rick Sapir | 2012-09-11 12:02:35 +0000 |
|---|---|---|
| committer | Rick Sapir | 2012-09-11 12:02:35 +0000 |
| commit | 8e0365779296d9be8fc41a2f70b35f664037c59c (patch) | |
| tree | eee45362bee52cded0193714a39eae0cdffc01f4 /jpa/plugins/org.eclipse.jpt.doc.user/tasks019.htm | |
| parent | afcbd30b7682e576495f1c2069cdf9fe719aeacf (diff) | |
| download | webtools.dali-8e0365779296d9be8fc41a2f70b35f664037c59c.tar.gz webtools.dali-8e0365779296d9be8fc41a2f70b35f664037c59c.tar.xz webtools.dali-8e0365779296d9be8fc41a2f70b35f664037c59c.zip | |
Updated docs, preliminary review
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.doc.user/tasks019.htm')
| -rw-r--r-- | jpa/plugins/org.eclipse.jpt.doc.user/tasks019.htm | 130 |
1 files changed, 37 insertions, 93 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.doc.user/tasks019.htm b/jpa/plugins/org.eclipse.jpt.doc.user/tasks019.htm index f9f3209292..5379b3df7f 100644 --- a/jpa/plugins/org.eclipse.jpt.doc.user/tasks019.htm +++ b/jpa/plugins/org.eclipse.jpt.doc.user/tasks019.htm @@ -3,122 +3,66 @@ <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>Version mapping</title> -<meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1.1" /> -<meta name="date" content="2010-05-19T8:12:45Z" /> +<title>Transient mapping</title> +<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="2012-09-11T7:44:6Z" /> <meta name="robots" content="noarchive" /> -<meta name="doctitle" content="Version mapping" /> -<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="doctitle" content="Transient mapping" /> +<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><a id="BABHIBII" name="BABHIBII"></a></p> +<p class="betadraftsubtitle">Beta Draft: 2012-09-11</p> +<p><a id="BABHFHEI" name="BABHFHEI"></a></p> <div class="sect2"><!-- infolevel="all" infotype="General" --> -<h1>Version mapping</h1> -<p><a id="sthref154" name="sthref154"></a><a id="sthref155" name="sthref155"></a><a id="sthref156" name="sthref156"></a><a id="sthref157" name="sthref157"></a>Use a <span class="bold">Version Mapping</span> to specify the field used for optimistic locking. If the entity is associated with multiple tables, you should use a version mapping only with the primary table. You should have only a single version mapping per persistent entity. Version mappings may be used only with the following attribute types:</p> -<ul> -<li> -<p><code>int</code></p> -</li> -<li> -<p><code>Integer</code></p> -</li> +<h1>Transient mapping</h1> +<p><a id="sthref224" name="sthref224"></a><a id="sthref225" name="sthref225"></a><a id="sthref226" name="sthref226"></a><a id="sthref227" name="sthref227"></a>Use the Transient Mapping to specify a field of the entity class that <span class="italic">is not</span> persistent.</p> +<p>To create a transient mapping:</p> +<ol> <li> -<p><code>short, Short</code></p> +<p>In the <a href="ref_persistence_outline.htm#BABEGGFE">JPA Structure view</a>, select the field to map.</p> </li> <li> -<p><code>long, Long</code></p> +<p>Right-click the field and then select <span class="bold">Map As Transient</span>. The <a href="ref_persistence_map_view.htm#BABIFBAF">JPA Details view (for attributes)</a> displays the properties for the selected.</p> </li> +</ol> +<p>Eclipse adds the following annotation to the field:</p> +<pre xml:space="preserve" class="oac_no_warn"> +@Transient +</pre> +<a id="sthref228" name="sthref228"></a> +<p class="subhead2">Related tasks</p> +<ul> <li> -<p><code>Timestamp</code></p> +<p><a href="task_mapping.htm#BABDGBIJ">Mapping an entity</a></p> </li> </ul> -<p>To create a version mapping:</p> -<ol> +<a id="sthref229" name="sthref229"></a> +<p class="subhead2">Related references</p> +<ul> <li> -<p>In the <a href="ref_persistence_outline.htm#BABEGGFE">JPA Structure view</a>, select the field to map.</p> +<p><a href="ref_persistence_outline.htm#BABEGGFE">JPA Structure view</a></p> </li> <li> -<p>Right-click the field and then select <span class="bold">Map As > Version</span>. The <a href="ref_persistence_map_view.htm#BABIFBAF">JPA Details view (for attributes)</a> displays the properties for the selected.</p> +<p><a href="ref_persistence_map_view.htm#BABIFBAF">JPA Details view (for attributes)</a></p> </li> -<li> -<p>Use this table to complete the remaining fields in the JPA Details view.</p> -<div class="inftblruleinformal"> -<table class="RuleInformal" title="This table lists the fields in the Persistence Properties view for this mapping." summary="This table lists the fields in the Persistence Properties view for this mapping." dir="ltr" border="1" width="100%" frame="border" rules="all" cellpadding="3" cellspacing="0"> -<col width="19%" /> -<col width="*" /> -<col width="38%" /> -<thead> -<tr align="left" valign="top"> -<th align="left" valign="bottom" id="r1c1-t27">Property</th> -<th align="left" valign="bottom" id="r1c2-t27">Description</th> -<th align="left" valign="bottom" id="r1c3-t27">Default</th> -</tr> -</thead> -<tbody> -<tr align="left" valign="top"> -<td align="left" id="r2c1-t27" headers="r1c1-t27">Mapped Entity Hyperlink</td> -<td align="left" headers="r2c1-t27 r1c2-t27">Defines the mapping as Version. This corresponds to the <code>@Version</code> annotation.</td> -<td align="left" headers="r2c1-t27 r1c3-t27">Version</td> -</tr> -<tr align="left" valign="top"> -<td align="left" id="r3c1-t27" headers="r1c1-t27">Column</td> -<td align="left" headers="r3c1-t27 r1c2-t27">The database column mapped to the entity attribute. See <a href="ref_mapping_general.htm#CACGCBHB">"Column"</a> for details.</td> -<td align="left" headers="r3c1-t27 r1c3-t27">By default, the Column is assumed to be named identically to the attribute and always included in the <code>INSERT</code> and <code>UPDATE</code> statements.</td> -</tr> -<tr align="left" valign="top"> -<td align="left" id="r4c1-t27" headers="r1c1-t27">Table</td> -<td align="left" headers="r4c1-t27 r1c2-t27">Name of the database table. This must be the primary table associated with the attribute's entity.</td> -<td align="left" headers="r4c1-t27 r1c3-t27"><br /></td> -</tr> -<tr align="left" valign="top"> -<td align="left" id="r5c1-t27" headers="r1c1-t27">Temporal</td> -<td align="left" headers="r5c1-t27 r1c2-t27">Specifies the type of data. See <a href="ref_mapping_general.htm#CACEAJGD">"Temporal"</a> for details. +</ul> +<a id="sthref230" name="sthref230"></a> +<p class="subhead2">Related concepts</p> <ul> <li> -<p>Date</p> -</li> -<li> -<p>Time</p> +<p><a href="concept_mapping.htm#BABBDJFI">Understanding OR mappings</a></p> </li> <li> -<p>Timestamp</p> +<p><a href="concepts001.htm#BABBGFJG">Understanding Java Persistence API</a></p> </li> </ul> -</td> -<td align="left" headers="r5c1-t27 r1c3-t27"><br /></td> -</tr> -</tbody> -</table> -<br /></div> -<!-- class="inftblruleinformal" --></li> -</ol> -<p>Eclipse adds the following annotations to the field:</p> -<pre xml:space="preserve" class="oac_no_warn"> -@Version -@Column(table="<span class="italic"><COLUMN_TABLE></span>", name="<<span class="italic">COLUMN_NAME</span>>") - -</pre> -<p> </p> -<img src="img/ngrelt.png" alt="Related task" title="Related task" /><br /> -<br /> -<a href="task_mapping.htm#BABDGBIJ">Mapping an entity</a> -<p> </p> -<img src="img/ngrelr.png" alt="Related reference" title="Related reference" /><br /> -<br /> -<a href="ref_persistence_outline.htm#BABEGGFE">JPA Structure view</a><br /> -<a href="ref_persistence_map_view.htm#BABIFBAF">JPA Details view (for attributes)</a> -<p> </p> -<img src="img/ngrelc.png" alt="Related concept" title="Related concept" /><br /> -<br /> -<a href="concept_mapping.htm#BABBDJFI">Understanding OR mappings</a><br /> -<a href="concepts001.htm#BABBGFJG">Understanding EJB 3.0 Java Persistence API</a></div> +</div> <!-- class="sect2" --> <!-- Start Footer --> <div class="footer"> @@ -126,11 +70,11 @@ <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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