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<div class="subTitle">javax.persistence.metamodel</div>
<h2 title="Interface Metamodel" class="title">Interface Metamodel</h2>
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<pre>public interface <span class="typeNameLabel">Metamodel</span></pre>
<div class="block">Provides access to the metamodel of persistent
entities in the persistence unit.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>Java Persistence 2.0</dd>
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<h3>Method Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>&lt;X&gt;&nbsp;<a href="../../../javax/persistence/metamodel/EmbeddableType.html" title="interface in javax.persistence.metamodel">EmbeddableType</a>&lt;X&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/persistence/metamodel/Metamodel.html#embeddable-java.lang.Class-">embeddable</a></span>(java.lang.Class&lt;X&gt;&nbsp;cls)</code>
<div class="block">Return the metamodel embeddable type representing the
embeddable class.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>&lt;X&gt;&nbsp;<a href="../../../javax/persistence/metamodel/EntityType.html" title="interface in javax.persistence.metamodel">EntityType</a>&lt;X&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/persistence/metamodel/Metamodel.html#entity-java.lang.Class-">entity</a></span>(java.lang.Class&lt;X&gt;&nbsp;cls)</code>
<div class="block">Return the metamodel entity type representing the entity.</div>
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<td class="colFirst"><code>java.util.Set&lt;<a href="../../../javax/persistence/metamodel/EmbeddableType.html" title="interface in javax.persistence.metamodel">EmbeddableType</a>&lt;?&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/persistence/metamodel/Metamodel.html#getEmbeddables--">getEmbeddables</a></span>()</code>
<div class="block">Return the metamodel embeddable types.</div>
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<td class="colFirst"><code>java.util.Set&lt;<a href="../../../javax/persistence/metamodel/EntityType.html" title="interface in javax.persistence.metamodel">EntityType</a>&lt;?&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/persistence/metamodel/Metamodel.html#getEntities--">getEntities</a></span>()</code>
<div class="block">Return the metamodel entity types.</div>
</td>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>java.util.Set&lt;<a href="../../../javax/persistence/metamodel/ManagedType.html" title="interface in javax.persistence.metamodel">ManagedType</a>&lt;?&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/persistence/metamodel/Metamodel.html#getManagedTypes--">getManagedTypes</a></span>()</code>
<div class="block">Return the metamodel managed types.</div>
</td>
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<td class="colFirst"><code>&lt;X&gt;&nbsp;<a href="../../../javax/persistence/metamodel/ManagedType.html" title="interface in javax.persistence.metamodel">ManagedType</a>&lt;X&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/persistence/metamodel/Metamodel.html#managedType-java.lang.Class-">managedType</a></span>(java.lang.Class&lt;X&gt;&nbsp;cls)</code>
<div class="block">Return the metamodel managed type representing the
entity, mapped superclass, or embeddable class.</div>
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<h4>entity</h4>
<pre>&lt;X&gt;&nbsp;<a href="../../../javax/persistence/metamodel/EntityType.html" title="interface in javax.persistence.metamodel">EntityType</a>&lt;X&gt;&nbsp;entity(java.lang.Class&lt;X&gt;&nbsp;cls)</pre>
<div class="block">Return the metamodel entity type representing the entity.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cls</code> - the type of the represented entity</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the metamodel entity type</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.IllegalArgumentException</code> - if not an entity</dd>
</dl>
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<h4>managedType</h4>
<pre>&lt;X&gt;&nbsp;<a href="../../../javax/persistence/metamodel/ManagedType.html" title="interface in javax.persistence.metamodel">ManagedType</a>&lt;X&gt;&nbsp;managedType(java.lang.Class&lt;X&gt;&nbsp;cls)</pre>
<div class="block">Return the metamodel managed type representing the
entity, mapped superclass, or embeddable class.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cls</code> - the type of the represented managed class</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the metamodel managed type</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.IllegalArgumentException</code> - if not a managed class</dd>
</dl>
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<h4>embeddable</h4>
<pre>&lt;X&gt;&nbsp;<a href="../../../javax/persistence/metamodel/EmbeddableType.html" title="interface in javax.persistence.metamodel">EmbeddableType</a>&lt;X&gt;&nbsp;embeddable(java.lang.Class&lt;X&gt;&nbsp;cls)</pre>
<div class="block">Return the metamodel embeddable type representing the
embeddable class.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cls</code> - the type of the represented embeddable class</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the metamodel embeddable type</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.IllegalArgumentException</code> - if not an embeddable class</dd>
</dl>
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<h4>getManagedTypes</h4>
<pre>java.util.Set&lt;<a href="../../../javax/persistence/metamodel/ManagedType.html" title="interface in javax.persistence.metamodel">ManagedType</a>&lt;?&gt;&gt;&nbsp;getManagedTypes()</pre>
<div class="block">Return the metamodel managed types.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the metamodel managed types</dd>
</dl>
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<h4>getEntities</h4>
<pre>java.util.Set&lt;<a href="../../../javax/persistence/metamodel/EntityType.html" title="interface in javax.persistence.metamodel">EntityType</a>&lt;?&gt;&gt;&nbsp;getEntities()</pre>
<div class="block">Return the metamodel entity types.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the metamodel entity types</dd>
</dl>
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<h4>getEmbeddables</h4>
<pre>java.util.Set&lt;<a href="../../../javax/persistence/metamodel/EmbeddableType.html" title="interface in javax.persistence.metamodel">EmbeddableType</a>&lt;?&gt;&gt;&nbsp;getEmbeddables()</pre>
<div class="block">Return the metamodel embeddable types. Returns empty set
if there are no embeddable types.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the metamodel embeddable types</dd>
</dl>
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