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| <h2 title="Class Persistence" class="title">Class Persistence</h2> |
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| <li>java.lang.Object</li> |
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| <pre>public class <span class="typeNameLabel">Persistence</span> |
| extends java.lang.Object</pre> |
| <div class="block">Bootstrap class that is used to obtain an <a href="../../javax/persistence/EntityManagerFactory.html" title="interface in javax.persistence"><code>EntityManagerFactory</code></a> |
| in Java SE environments. It may also be used to cause schema |
| generation to occur. |
| |
| <p> The <code>Persistence</code> class is available in a Java EE |
| container environment as well; however, support for the Java SE |
| bootstrapping APIs is not required in container environments. |
| |
| <p> The <code>Persistence</code> class is used to obtain a <a href="../../javax/persistence/PersistenceUtil.html" title="interface in javax.persistence"><code>PersistenceUtil</code></a> instance in both |
| Java EE and Java SE environments.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>Java Persistence 1.0</dd> |
| </dl> |
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| <td class="colFirst"><code>static java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/persistence/Persistence.html#PERSISTENCE_PROVIDER">PERSISTENCE_PROVIDER</a></span></code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected static java.util.Set<<a href="../../javax/persistence/spi/PersistenceProvider.html" title="interface in javax.persistence.spi">PersistenceProvider</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/persistence/Persistence.html#providers">providers</a></span></code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../javax/persistence/Persistence.html#Persistence--">Persistence</a></span>()</code> </td> |
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| <td class="colFirst"><code>static <a href="../../javax/persistence/EntityManagerFactory.html" title="interface in javax.persistence">EntityManagerFactory</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/persistence/Persistence.html#createEntityManagerFactory-java.lang.String-">createEntityManagerFactory</a></span>(java.lang.String persistenceUnitName)</code> |
| <div class="block">Create and return an EntityManagerFactory for the named |
| persistence unit.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../javax/persistence/EntityManagerFactory.html" title="interface in javax.persistence">EntityManagerFactory</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/persistence/Persistence.html#createEntityManagerFactory-java.lang.String-java.util.Map-">createEntityManagerFactory</a></span>(java.lang.String persistenceUnitName, |
| java.util.Map properties)</code> |
| <div class="block">Create and return an EntityManagerFactory for the named persistence unit |
| using the given properties.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/persistence/Persistence.html#generateSchema-java.lang.String-java.util.Map-">generateSchema</a></span>(java.lang.String persistenceUnitName, |
| java.util.Map map)</code> |
| <div class="block">Create database schemas and/or tables and/or create DDL |
| scripts as determined by the supplied properties.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../javax/persistence/PersistenceUtil.html" title="interface in javax.persistence">PersistenceUtil</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/persistence/Persistence.html#getPersistenceUtil--">getPersistenceUtil</a></span>()</code> |
| <div class="block">Return the PersistenceUtil instance</div> |
| </td> |
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| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
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| <h4>PERSISTENCE_PROVIDER</h4> |
| <pre>@Deprecated |
| public static final java.lang.String PERSISTENCE_PROVIDER</pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| <div class="block">This final String is deprecated and should be removed and is only here for TCK backward compatibility</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>Java Persistence 1.0</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../constant-values.html#javax.persistence.Persistence.PERSISTENCE_PROVIDER">Constant Field Values</a></dd> |
| </dl> |
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| <h4>providers</h4> |
| <pre>@Deprecated |
| protected static final java.util.Set<<a href="../../javax/persistence/spi/PersistenceProvider.html" title="interface in javax.persistence.spi">PersistenceProvider</a>> providers</pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| <div class="block">This instance variable is deprecated and should be removed and is only here for TCK backward compatibility</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>Java Persistence 1.0</dd> |
| </dl> |
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| <h4>Persistence</h4> |
| <pre>public Persistence()</pre> |
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| <h4>createEntityManagerFactory</h4> |
| <pre>public static <a href="../../javax/persistence/EntityManagerFactory.html" title="interface in javax.persistence">EntityManagerFactory</a> createEntityManagerFactory(java.lang.String persistenceUnitName)</pre> |
| <div class="block">Create and return an EntityManagerFactory for the named |
| persistence unit.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>persistenceUnitName</code> - the name of the persistence unit</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the factory that creates EntityManagers configured according to |
| the specified persistence unit</dd> |
| </dl> |
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| <h4>createEntityManagerFactory</h4> |
| <pre>public static <a href="../../javax/persistence/EntityManagerFactory.html" title="interface in javax.persistence">EntityManagerFactory</a> createEntityManagerFactory(java.lang.String persistenceUnitName, |
| java.util.Map properties)</pre> |
| <div class="block">Create and return an EntityManagerFactory for the named persistence unit |
| using the given properties.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>persistenceUnitName</code> - the name of the persistence unit</dd> |
| <dd><code>properties</code> - Additional properties to use when creating the factory. |
| These properties may include properties to control |
| schema generation. The values of these properties override |
| any values that may have been configured elsewhere.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the factory that creates EntityManagers configured according to |
| the specified persistence unit.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>generateSchema</h4> |
| <pre>public static void generateSchema(java.lang.String persistenceUnitName, |
| java.util.Map map)</pre> |
| <div class="block">Create database schemas and/or tables and/or create DDL |
| scripts as determined by the supplied properties. |
| <p> |
| Called when schema generation is to occur as a separate phase |
| from creation of the entity manager factory. |
| <p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>persistenceUnitName</code> - the name of the persistence unit</dd> |
| <dd><code>map</code> - properties for schema generation; these may |
| also contain provider-specific properties. The |
| value of these properties override any values that |
| may have been configured elsewhere..</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../javax/persistence/PersistenceException.html" title="class in javax.persistence">PersistenceException</a></code> - if insufficient or inconsistent |
| configuration information is provided or if schema |
| generation otherwise fails.</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>Java Persistence 2.1</dd> |
| </dl> |
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| <h4>getPersistenceUtil</h4> |
| <pre>public static <a href="../../javax/persistence/PersistenceUtil.html" title="interface in javax.persistence">PersistenceUtil</a> getPersistenceUtil()</pre> |
| <div class="block">Return the PersistenceUtil instance</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>PersistenceUtil instance</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>Java Persistence 2.0</dd> |
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