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Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.doc.user/tasks018.htm')
| -rw-r--r-- | jpa/plugins/org.eclipse.jpt.doc.user/tasks018.htm | 96 |
1 files changed, 65 insertions, 31 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.doc.user/tasks018.htm b/jpa/plugins/org.eclipse.jpt.doc.user/tasks018.htm index b04bdb3c0a..41aa328302 100644 --- a/jpa/plugins/org.eclipse.jpt.doc.user/tasks018.htm +++ b/jpa/plugins/org.eclipse.jpt.doc.user/tasks018.htm @@ -3,52 +3,86 @@ <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>Transient 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>One-to-one 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="2012-09-11T7:44:5Z" /> <meta name="robots" content="noarchive" /> -<meta name="doctitle" content="Transient 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="One-to-one 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="BABHFHEI" name="BABHFHEI"></a></p> +<p class="betadraftsubtitle">Beta Draft: 2012-09-11</p> +<p><a id="BABFHBCJ" name="BABFHBCJ"></a></p> <div class="sect2"><!-- infolevel="all" infotype="General" --> -<h1>Transient mapping</h1> -<p><a id="sthref150" name="sthref150"></a><a id="sthref151" name="sthref151"></a><a id="sthref152" name="sthref152"></a><a id="sthref153" name="sthref153"></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> +<h1>One-to-one mapping</h1> +<p><a id="sthref216" name="sthref216"></a><a id="sthref217" name="sthref217"></a><a id="sthref218" name="sthref218"></a><a id="sthref219" name="sthref219"></a>Use a <span class="bold">One-to-One Mapping</span> to define a relationship with one-to-many multiplicity.</p> <ol> <li> <p>In the <a href="ref_persistence_outline.htm#BABEGGFE">JPA Structure view</a>, select the field to map.</p> </li> <li> -<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> +<p>Right-click the field and then select <span class="bold">Map As > One-to-One</span>. The <a href="ref_persistence_map_view.htm#BABIFBAF">JPA Details view (for attributes)</a> displays the properties for the selected.</p> +<div class="figure"><a id="sthref220" name="sthref220"></a> +<p class="titleinfigure">JPA Details, One-to-one Mapping</p> +<img src="img/jpa_details_onetoone.png" alt="JPA Details, One-to-one Mapping" title="JPA Details, One-to-one Mapping" /><br /></div> +<!-- class="figure" --></li> +<li> +<p>Complete each field in the <a href="reference033.htm#CACGGHDD">One-to-One Mapping</a> area.</p> +</li> +<li> +<p>Complete the remaining areas in the <a href="ref_persistence_map_view.htm#BABIFBAF">JPA Details view (for attributes)</a>:</p> +<ul> +<li> +<p><a href="reference039.htm#CACIJEGI">Joining Strategy</a></p> +</li> +<li> +<p><a href="reference040.htm#CACGHHGB">Derived Identity</a></p> +</li> +</ul> </li> </ol> -<p>Eclipse adds the following annotation to the field:</p> +<p>Eclipse adds the following annotations to the field:</p> <pre xml:space="preserve" class="oac_no_warn"> -@Transient +@OneToOne(targetEntity=<span class="italic"><TARGET_ENTITY></span>, =Type.<span class="italic"><_TYPE></span>, + fetch = FetchType.<span class="italic"><FETCH_TYPE></span>, mappedBy = "<span class="italic"><MAPPED_BY></span>") +@JoinColumn(name="<span class="italic"><JOIN_COLUMN_NAME></span>", referencedColumnName= + "<span class="italic"><JOIN_COLUMN_REFERENCED_COLUMN></span>", insertable = <span class="italic"><INSERTABLE></span>, + updatable = <span class="italic"><UPDATABLE></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> +<a id="sthref221" name="sthref221"></a> +<p class="subhead2">Related tasks</p> +<ul> +<li> +<p><a href="task_mapping.htm#BABDGBIJ">Mapping an entity</a></p> +</li> +</ul> +<a id="sthref222" name="sthref222"></a> +<p class="subhead2">Related references</p> +<ul> +<li> +<p><a href="ref_persistence_outline.htm#BABEGGFE">JPA Structure view</a></p> +</li> +<li> +<p><a href="ref_persistence_map_view.htm#BABIFBAF">JPA Details view (for attributes)</a></p> +</li> +</ul> +<a id="sthref223" name="sthref223"></a> +<p class="subhead2">Related concepts</p> +<ul> +<li> +<p><a href="concept_mapping.htm#BABBDJFI">Understanding OR mappings</a></p> +</li> +<li> +<p><a href="concepts001.htm#BABBGFJG">Understanding Java Persistence API</a></p> +</li> +</ul> +</div> <!-- class="sect2" --> <!-- Start Footer --> <div class="footer"> @@ -56,11 +90,11 @@ <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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