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authorRick Sapir2012-09-27 09:59:22 -0400
committerRick Sapir2012-09-27 09:59:22 -0400
commit3c27ef18cf04f6860538968ebcb0bb518f7c3e5f (patch)
tree773f4c65588e35db2afbdd7e3574c1cd225ab983 /jpa/plugins/org.eclipse.jpt.doc.user/reference047.htm
parent21fb9bf2b3596877852953a14f897419cc943e03 (diff)
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doc updates
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.doc.user/reference047.htm')
-rw-r--r--jpa/plugins/org.eclipse.jpt.doc.user/reference047.htm171
1 files changed, 62 insertions, 109 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.doc.user/reference047.htm b/jpa/plugins/org.eclipse.jpt.doc.user/reference047.htm
index 49e51d0689..24a342111e 100644
--- a/jpa/plugins/org.eclipse.jpt.doc.user/reference047.htm
+++ b/jpa/plugins/org.eclipse.jpt.doc.user/reference047.htm
@@ -5,177 +5,130 @@
<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>Generators</title>
+<title>Joining Strategy</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="2012-09-19T13:28:0Z" />
+<meta name="date" content="2012-09-27T9:43:53Z" />
<meta name="robots" content="noarchive" />
-<meta name="doctitle" content="Generators" />
+<meta name="doctitle" content="Joining Strategy" />
<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" />
</head>
<body>
-<p class="betadraftsubtitle">Beta Draft: 2012-09-19</p>
-<p><a id="CIAFGAIJ" name="CIAFGAIJ"></a></p>
+<p class="betadraftsubtitle">Beta Draft: 2012-09-27</p>
+<p><a id="CACIJEGI" name="CACIJEGI"></a></p>
<div class="sect3"><!-- infolevel="all" infotype="General" -->
-<h1><a id="sthref566" name="sthref566"></a><a id="sthref567" name="sthref567"></a>Generators</h1>
-<p>This table lists the Generator fields available in the <span class="gui-object-title">JPA Details</span> view for the <code>orm.xml</code> file.</p>
+<h1><a id="sthref569" name="sthref569"></a><a id="sthref570" name="sthref570"></a>Joining Strategy</h1>
+<p>Use this area to specify a mapped column for joining an entity association. By default, the mapping is assumed to have a single join.</p>
<div class="inftblhruleinformal">
-<table class="HRuleInformal" title="This table describes the options on the Persistence Properties view, General tab." summary="This table describes the options on the Persistence Properties view, General tab." dir="ltr" border="1" width="100%" frame="hsides" rules="rows" cellpadding="3" cellspacing="0">
-<col width="21%" />
+<table class="HRuleInformal" summary="JPA Details view, Type page" dir="ltr" border="1" width="100%" frame="hsides" rules="rows" cellpadding="3" cellspacing="0">
+<col width="29%" />
<col width="*" />
<col width="24%" />
<thead>
<tr align="left" valign="top">
-<th align="left" valign="bottom" id="r1c1-t50">Property</th>
-<th align="left" valign="bottom" id="r1c2-t50">Description</th>
-<th align="left" valign="bottom" id="r1c3-t50">Default</th>
+<th align="left" valign="bottom" id="r1c1-t45">Property</th>
+<th align="left" valign="bottom" id="r1c2-t45">Description</th>
+<th align="left" valign="bottom" id="r1c3-t45">Available for Mapping Type</th>
</tr>
</thead>
<tbody>
<tr align="left" valign="top">
-<td align="left" id="r2c1-t50" headers="r1c1-t50">
-<p><span class="bold">Generators</span></p>
+<td align="left" id="r2c1-t45" headers="r1c1-t45">
+<p><span class="bold">Mapped by</span></p>
</td>
-<td align="left" headers="r2c1-t50 r1c2-t50">
-<p>Click <span class="bold">Add</span> to create a new table or sequence generator, or select an existing generator and click <span class="bold">Remove</span>, to add or remove a generator.</p>
+<td align="left" headers="r2c1-t45 r1c2-t45">
+<p>The field in the database table that "owns" the relationship. This field is required only on the non-owning side of the relationship.</p>
</td>
-<td align="left" headers="r2c1-t50 r1c3-t50"><br /></td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r3c1-t50" headers="r1c1-t50">
-<p><span class="bold">Sequence Generators</span></p>
-</td>
-<td align="left" headers="r3c1-t50 r1c2-t50"><br /></td>
-<td align="left" headers="r3c1-t50 r1c3-t50"><br /></td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r4c1-t50" headers="r1c1-t50">
-<p>Name</p>
+<td align="left" headers="r2c1-t45 r1c3-t45">
+<p><a href="tasks017.htm#BABEIEGD">Many-to-many mapping</a>, <a href="tasks019.htm#BABHGEBD">One-to-many mapping</a>, and <a href="tasks020.htm#BABFHBCJ">One-to-one mapping</a></p>
</td>
-<td align="left" headers="r4c1-t50 r1c2-t50"><br /></td>
-<td align="left" headers="r4c1-t50 r1c3-t50"><br /></td>
</tr>
<tr align="left" valign="top">
-<td align="left" id="r5c1-t50" headers="r1c1-t50">
-<p>Sequence</p>
+<td align="left" id="r3c1-t45" headers="r1c1-t45">
+<p>Attribute</p>
</td>
-<td align="left" headers="r5c1-t50 r1c2-t50"><br /></td>
-<td align="left" headers="r5c1-t50 r1c3-t50"><br /></td>
+<td align="left" headers="r3c1-t45 r1c2-t45"><br /></td>
+<td align="left" headers="r3c1-t45 r1c3-t45"><br /></td>
</tr>
<tr align="left" valign="top">
-<td align="left" id="r6c1-t50" headers="r1c1-t50">
-<p>Schema</p>
+<td align="left" id="r4c1-t45" headers="r1c1-t45">
+<p><span class="bold">Primary key join columns</span></p>
</td>
-<td align="left" headers="r6c1-t50 r1c2-t50"><br /></td>
-<td align="left" headers="r6c1-t50 r1c3-t50"><br /></td>
+<td align="left" headers="r4c1-t45 r1c2-t45"><br /></td>
+<td align="left" headers="r4c1-t45 r1c3-t45">
+<p><a href="tasks020.htm#BABFHBCJ">One-to-one mapping</a></p>
+<br /></td>
</tr>
<tr align="left" valign="top">
-<td align="left" id="r7c1-t50" headers="r1c1-t50">
-<p>Catalog</p>
+<td align="left" id="r5c1-t45" headers="r1c1-t45">
+<p><span class="bold">Join columns</span></p>
</td>
-<td align="left" headers="r7c1-t50 r1c2-t50"><br /></td>
-<td align="left" headers="r7c1-t50 r1c3-t50"><br /></td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r8c1-t50" headers="r1c1-t50">
-<p>Allocation size</p>
+<td align="left" headers="r5c1-t45 r1c2-t45">
+<p><a id="sthref571" name="sthref571"></a><a id="sthref572" name="sthref572"></a>By default, the name is assumed to be the primary tables associated with the entities concatenated with an underscore.</p>
+<p>Select <span class="bold">Override Default</span>, then Add, Edit, or Remove the join columns.</p>
</td>
-<td align="left" headers="r8c1-t50 r1c2-t50"><br /></td>
-<td align="left" headers="r8c1-t50 r1c3-t50">
-<p>50</p>
+<td align="left" headers="r5c1-t45 r1c3-t45">
+<p><a href="tasks018.htm#BABHFAFJ">Many-to-one mapping</a>, <a href="tasks019.htm#BABHGEBD">One-to-many mapping</a>, and <a href="tasks020.htm#BABFHBCJ">One-to-one mapping</a></p>
</td>
</tr>
<tr align="left" valign="top">
-<td align="left" id="r9c1-t50" headers="r1c1-t50">
-<p>Initial value</p>
+<td align="left" id="r6c1-t45" headers="r1c1-t45">
+<p><span class="bold">Join table</span></p>
</td>
-<td align="left" headers="r9c1-t50 r1c2-t50"><br /></td>
-<td align="left" headers="r9c1-t50 r1c3-t50">
-<p>1</p>
+<td align="left" headers="r6c1-t45 r1c2-t45">
+<p>Name of the join table that contains the foreign key column.You must specify the join table on the owning side.</p>
+<p>By default, the name is assumed to be the primary tables associated with the entities concatenated with an underscore.</p>
</td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r10c1-t50" headers="r1c1-t50">
-<p><span class="bold">Table Generators</span></p>
+<td align="left" headers="r6c1-t45 r1c3-t45">
+<p><a href="tasks017.htm#BABEIEGD">Many-to-many mapping</a>, <a href="tasks018.htm#BABHFAFJ">Many-to-one mapping</a>, <a href="tasks019.htm#BABHGEBD">One-to-many mapping</a>, and <a href="tasks020.htm#BABFHBCJ">One-to-one mapping</a></p>
</td>
-<td align="left" headers="r10c1-t50 r1c2-t50"><br /></td>
-<td align="left" headers="r10c1-t50 r1c3-t50"><br /></td>
</tr>
<tr align="left" valign="top">
-<td align="left" id="r11c1-t50" headers="r1c1-t50">
+<td align="left" id="r7c1-t45" headers="r1c1-t45">
<p>Name</p>
</td>
-<td align="left" headers="r11c1-t50 r1c2-t50"><br /></td>
-<td align="left" headers="r11c1-t50 r1c3-t50"><br /></td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r12c1-t50" headers="r1c1-t50">
-<p>Table</p>
-</td>
-<td align="left" headers="r12c1-t50 r1c2-t50"><br /></td>
-<td align="left" headers="r12c1-t50 r1c3-t50"><br /></td>
+<td align="left" headers="r7c1-t45 r1c2-t45"><br /></td>
+<td align="left" headers="r7c1-t45 r1c3-t45"><br /></td>
</tr>
<tr align="left" valign="top">
-<td align="left" id="r13c1-t50" headers="r1c1-t50">
+<td align="left" id="r8c1-t45" headers="r1c1-t45">
<p>Schema</p>
</td>
-<td align="left" headers="r13c1-t50 r1c2-t50"><br /></td>
-<td align="left" headers="r13c1-t50 r1c3-t50"><br /></td>
+<td align="left" headers="r8c1-t45 r1c2-t45"><br /></td>
+<td align="left" headers="r8c1-t45 r1c3-t45"><br /></td>
</tr>
<tr align="left" valign="top">
-<td align="left" id="r14c1-t50" headers="r1c1-t50">
+<td align="left" id="r9c1-t45" headers="r1c1-t45">
<p>Catalog</p>
</td>
-<td align="left" headers="r14c1-t50 r1c2-t50"><br /></td>
-<td align="left" headers="r14c1-t50 r1c3-t50"><br /></td>
+<td align="left" headers="r9c1-t45 r1c2-t45"><br /></td>
+<td align="left" headers="r9c1-t45 r1c3-t45"><br /></td>
</tr>
<tr align="left" valign="top">
-<td align="left" id="r15c1-t50" headers="r1c1-t50">
-<p>Primary key column value</p>
+<td align="left" id="r10c1-t45" headers="r1c1-t45">
+<p>Join columns</p>
</td>
-<td align="left" headers="r15c1-t50 r1c2-t50"><br /></td>
-<td align="left" headers="r15c1-t50 r1c3-t50"><br /></td>
-</tr>
-<tr align="left" valign="top">
-<td align="left" id="r16c1-t50" headers="r1c1-t50">
-<p>Allocation size</p>
-</td>
-<td align="left" headers="r16c1-t50 r1c2-t50"><br /></td>
-<td align="left" headers="r16c1-t50 r1c3-t50">
-<p>50</p>
+<td align="left" headers="r10c1-t45 r1c2-t45">
+<p>Mapped by</p>
</td>
+<td align="left" headers="r10c1-t45 r1c3-t45"><br /></td>
</tr>
<tr align="left" valign="top">
-<td align="left" id="r17c1-t50" headers="r1c1-t50">
-<p>Initial value</p>
+<td align="left" id="r11c1-t45" headers="r1c1-t45">
+<p>Inverse join columns</p>
</td>
-<td align="left" headers="r17c1-t50 r1c2-t50"><br /></td>
-<td align="left" headers="r17c1-t50 r1c3-t50">
-<p>1</p>
+<td align="left" headers="r11c1-t45 r1c2-t45">
+<p>Mapped by</p>
</td>
+<td align="left" headers="r11c1-t45 r1c3-t45"><br /></td>
</tr>
</tbody>
</table>
<br /></div>
-<!-- class="inftblhruleinformal" -->
-<a id="sthref568" name="sthref568"></a>
-<p class="subhead2">Related tasks</p>
-<ul>
-<li>
-<p><a href="task_add_persistence.htm#BABHICAI">Adding persistence to a class</a></p>
-</li>
-</ul>
-<a id="sthref569" name="sthref569"></a>
-<p class="subhead2">Related reference</p>
-<ul>
-<li>
-<p><a href="ref_details_orm.htm#CACGDGHC">JPA Details view (for orm.xml)</a></p>
-</li>
-</ul>
-</div>
+<!-- class="inftblhruleinformal" --></div>
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