Skip to main content
summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.doc.user/tasks016.htm')
-rw-r--r--jpa/plugins/org.eclipse.jpt.doc.user/tasks016.htm197
1 files changed, 0 insertions, 197 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.doc.user/tasks016.htm b/jpa/plugins/org.eclipse.jpt.doc.user/tasks016.htm
deleted file mode 100644
index 417c743805..0000000000
--- a/jpa/plugins/org.eclipse.jpt.doc.user/tasks016.htm
+++ /dev/null
@@ -1,197 +0,0 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
- "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<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>One-to-many mapping</title>
-<meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1.1" />
-<meta name="date" content="2010-05-19T8:12:44Z" />
-<meta name="robots" content="noarchive" />
-<meta name="doctitle" content="One-to-many 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" />
-<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="BABHGEBD" name="BABHGEBD"></a></p>
-<div class="sect2"><!-- infolevel="all" infotype="General" -->
-<h1>One-to-many mapping</h1>
-<p><a id="sthref140" name="sthref140"></a><a id="sthref141" name="sthref141"></a><a id="sthref142" name="sthref142"></a><a id="sthref143" name="sthref143"></a>Use a <span class="bold">One-to-Many 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 &gt; One-to-many</span>. The <a href="ref_persistence_map_view.htm#BABIFBAF">JPA Details view (for attributes)</a> displays the properties for the selected.</p>
-</li>
-<li>
-<p>Use this table to complete the <a href="ref_mapping_general.htm#CACBHFIJ">General information</a> fields JPA Details view.</p>
-<div class="inftblruleinformal">
-<table class="RuleInformal" title="This table lists the fields in the General tab of the Persistence Properties view for this mapping." summary="This table lists the fields in the General tab of 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-t23">Property</th>
-<th align="left" valign="bottom" id="r1c2-t23">Description</th>
-<th align="left" valign="bottom" id="r1c3-t23">Default</th>
-</tr>
-</thead>
-<tbody>
-<tr align="left" valign="top">
-<td align="left" id="r2c1-t23" headers="r1c1-t23">Mapping Entity Type Hyperlink</td>
-<td align="left" headers="r2c1-t23 r1c2-t23">Defines mapping as <span class="bold">One-to-Many</span>. This corresponds to the <code>@OneToMany</code> annotation.</td>
-<td align="left" headers="r2c1-t23 r1c3-t23">One-to-Many</td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r3c1-t23" headers="r1c1-t23">Target Entity</td>
-<td align="left" headers="r3c1-t23 r1c2-t23">The entity to which this attribute is mapped.</td>
-<td align="left" headers="r3c1-t23 r1c3-t23"><br /></td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r4c1-t23" headers="r1c1-t23">Cascade</td>
-<td align="left" headers="r4c1-t23 r1c2-t23">See <a href="ref_mapping_general.htm#CACJAIHB">"Cascade Type"</a> for details.
-<ul>
-<li>
-<p>Default</p>
-</li>
-<li>
-<p>All</p>
-</li>
-<li>
-<p>Persist</p>
-</li>
-<li>
-<p>Merge</p>
-</li>
-<li>
-<p>Remove</p>
-</li>
-</ul>
-</td>
-<td align="left" headers="r4c1-t23 r1c3-t23"><br /></td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r5c1-t23" headers="r1c1-t23">Fetch</td>
-<td align="left" headers="r5c1-t23 r1c2-t23">Defines how data is loaded from the database. See <a href="ref_mapping_general.htm#CACGGGHB">"Fetch Type"</a> for details.
-<ul>
-<li>
-<p>Eager</p>
-</li>
-<li>
-<p>Lazy</p>
-</li>
-</ul>
-</td>
-<td align="left" headers="r5c1-t23 r1c3-t23">Eager</td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r6c1-t23" headers="r1c1-t23">Mapped By</td>
-<td align="left" headers="r6c1-t23 r1c2-t23">The database field that owns the relationship.</td>
-<td align="left" headers="r6c1-t23 r1c3-t23"><br /></td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r7c1-t23" headers="r1c1-t23">Order By</td>
-<td align="left" headers="r7c1-t23 r1c2-t23">Specify the default order for objects returned from a query. See <a href="ref_mapping_general.htm#CACDADIH">"Order By"</a> for details.
-<ul>
-<li>
-<p>No ordering</p>
-</li>
-<li>
-<p>Primary key</p>
-</li>
-<li>
-<p>Custom</p>
-</li>
-</ul>
-</td>
-<td align="left" headers="r7c1-t23 r1c3-t23">No ordering</td>
-</tr>
-</tbody>
-</table>
-<br /></div>
-<!-- class="inftblruleinformal" --></li>
-<li>
-<p>Use this table to complete the <a href="reference011.htm#CACBAEBC">Join Table Information</a> fields in the JPA Details view.</p>
-<div class="inftblruleinformal">
-<table class="RuleInformal" title="This table lists the fields in the Join Table tab of the Persistence Properties view for this mapping." summary="This table lists the fields in the Join Table tab of 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-t24">Property</th>
-<th align="left" valign="bottom" id="r1c2-t24">Description</th>
-<th align="left" valign="bottom" id="r1c3-t24">Default</th>
-</tr>
-</thead>
-<tbody>
-<tr align="left" valign="top">
-<td align="left" id="r2c1-t24" headers="r1c1-t24">Name</td>
-<td align="left" headers="r2c1-t24 r1c2-t24">Name of the join table</td>
-<td align="left" headers="r2c1-t24 r1c3-t24">By default, the name is assumed to be the primary tables associated with the entities concatenated with an underscore.</td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r3c1-t24" headers="r1c1-t24">Join Columns</td>
-<td align="left" headers="r3c1-t24 r1c2-t24">Specify two or more join columns (that is, a primary key).</td>
-<td align="left" headers="r3c1-t24 r1c3-t24"><br /></td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r4c1-t24" headers="r1c1-t24">Inverse Join Columns</td>
-<td align="left" headers="r4c1-t24 r1c2-t24">The join column on the owned (or inverse) side of the association: the owned entity's primary key column.</td>
-<td align="left" headers="r4c1-t24 r1c3-t24"><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">
-@OneToMany(targetEntity=<span class="italic">&lt;TARGET_ENTITY&gt;</span>)
-@Column(name="<span class="italic">&lt;COLUMN&gt;</span>")
-
-
-@OneToMany(targetEntity=<span class="italic">&lt;TARGET_ENTITY&gt;</span>.class, cascade=CascadeType.<span class="italic">&lt;CASCADE_TYPE&gt;</span>,
- fetch = FetchType.<span class="italic">&lt;FETCH_TYPE&gt;</span>, mappedBy = "<span class="italic">&lt;MAPPED_BY&gt;</span>")@OrderBy("<span class="italic">&lt;ORDER_BY&gt;</span>")
-@JoinTable(name="<span class="italic">&lt;JOIN_TABLE_NAME&gt;</span>", joinColumns=@JoinColumn(name=
- "<span class="italic">&lt;JOIN_COLUMN_NAME&gt;</span>", referencedColumnName="<span class="italic">&lt;JOIN_COLUMN_REFERENCED_COLUMN&gt;</span>"),
- inverseJoinColumns=@JoinColumn(name="<span class="italic">&lt;INVERSE_JOIN_COLUMN_NAME&gt;</span>",
- referencedColumnName="<span class="italic">&lt;INVERSE_JOIN_COLUMN_REFERENCED_COLUMN&gt;</span>"))
-
-</pre>
-<p>&nbsp;</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>&nbsp;</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>&nbsp;</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>
-<!-- class="sect2" -->
-<!-- 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"><span class="copyrightlogo">Copyright&nbsp;&copy;&nbsp;2006, 2010,&nbsp;Oracle&nbsp;and/or&nbsp;its&nbsp;affiliates.&nbsp;All&nbsp;rights&nbsp;reserved.</span><br />
-<a href="dcommon/html/cpyr.htm"><span class="copyrightlogo">Legal Notices</span></a></td>
-</tr>
-</table>
-</div>
-<!-- class="footer" -->
-</body>
-</html>

Back to the top