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<title>Persistence Unit</title>
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<meta name="doctitle" content="Persistence Unit" />
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<p class="betadraftsubtitle">Beta Draft: 2013-01-03</p>
<p><a id="CACEAGBG" name="CACEAGBG"></a></p>
<div class="sect3"><!-- infolevel="all" infotype="General" -->
<h1><a id="sthref603" name="sthref603"></a><a id="sthref604" name="sthref604"></a>Persistence Unit</h1>
<p>This table lists the Persistence Unit information fields available in the <span class="gui-object-title">JPA Details</span> view for each entity type. These fields are contained in the <code><persistence-unit-metadata></code> element in the <code>orm.xml</code> file.</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%" />
<col width="*" />
<col width="22%" />
<thead>
<tr align="left" valign="top">
<th align="left" valign="bottom" id="r1c1-t49">Property</th>
<th align="left" valign="bottom" id="r1c2-t49">Description</th>
<th align="left" valign="bottom" id="r1c3-t49">Default</th>
</tr>
</thead>
<tbody>
<tr align="left" valign="top">
<td align="left" id="r2c1-t49" headers="r1c1-t49">
<p>XML Mapping Data Complete</p>
</td>
<td align="left" headers="r2c1-t49 r1c2-t49">
<p>Specifies that the Java classes in this persistence unit are fully specified by their metadata. Any annotations will be ignored.</p>
<p>This field corresponds to the <code><xml-mapping-metadata-complete></code> element in the <code>orm.xml</code> file.</p>
</td>
<td align="left" headers="r2c1-t49 r1c3-t49"><br /></td>
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<td align="left" id="r3c1-t49" headers="r1c1-t49">
<p>Cascade Persist</p>
</td>
<td align="left" headers="r3c1-t49 r1c2-t49">
<p>Adds cascade-persist to the set of cascade options in entity relationships of the persistence unit.</p>
<p>This field corresponds to the <code><cascade-persist></code> element in the <code>orm.xml</code> file.</p>
</td>
<td align="left" headers="r3c1-t49 r1c3-t49"><br /></td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r4c1-t49" headers="r1c1-t49">
<p>Schema</p>
</td>
<td align="left" headers="r4c1-t49 r1c2-t49">
<p>The database schema that contains the <span class="bold">Table</span>.</p>
<p>This field corresponds to the <code><schema></code> element in the <code>orm.xml</code> file.</p>
</td>
<td align="left" headers="r4c1-t49 r1c3-t49"><br /></td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r5c1-t49" headers="r1c1-t49">
<p>Catalog</p>
</td>
<td align="left" headers="r5c1-t49 r1c2-t49">
<p>The database catalog that contains the <span class="bold">Table</span>.</p>
<p>This field corresponds to the <code><catalog></code> element in the <code>orm.xml</code> file.</p>
</td>
<td align="left" headers="r5c1-t49 r1c3-t49"><br /></td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r6c1-t49" headers="r1c1-t49">
<p>Access</p>
</td>
<td align="left" headers="r6c1-t49 r1c2-t49">
<p>Specify how the entity its access instance variables.</p>
<ul>
<li>
<p>Property – Persistent state accessed through the property accessor methods. The property accessor methods must be <span class="bold">public</span> or <span class="bold">private</span>.</p>
</li>
<li>
<p>Field – Instance variables are accessed directly. All non-transient instance variables are persistent.</p>
</li>
</ul>
</td>
<td align="left" headers="r6c1-t49 r1c3-t49"><br /></td>
</tr>
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<td align="left" id="r7c1-t49" headers="r1c1-t49">
<p>Deliminated identifiers</p>
</td>
<td align="left" headers="r7c1-t49 r1c2-t49"><br /></td>
<td align="left" headers="r7c1-t49 r1c3-t49"><br /></td>
</tr>
</tbody>
</table>
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<a id="sthref605" name="sthref605"></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="sthref606" name="sthref606"></a>
<p class="subhead2">Related reference</p>
<ul>
<li>
<p><a href="ref_persistence_prop_view.htm#BABFAEBB">JPA Details view (for entities)</a></p>
</li>
</ul>
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