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Persistence (EclipseLink 2.0.0, build 'v20091127-r5931' API Reference)
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javax.persistence</FONT>
<BR>
Class Persistence</H2>
<PRE>
java.lang.Object
<IMG SRC="../../resources/inherit.gif" ALT="extended by "><B>javax.persistence.Persistence</B>
</PRE>
<HR>
<DL>
<DT><PRE>public class <B>Persistence</B><DT>extends java.lang.Object</DL>
</PRE>
<P>
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.
<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.
<P>
<P>
<DL>
<DT><B>Since:</B></DT>
<DD>Java Persistence 1.0</DD>
</DL>
<HR>
<P>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/persistence/Persistence.html#PERSISTENCE_PROVIDER">PERSISTENCE_PROVIDER</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I></I>&nbsp;</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected static&nbsp;java.util.Set&lt;<A HREF="../../javax/persistence/spi/PersistenceProvider.html" title="interface in javax.persistence.spi">PersistenceProvider</A>&gt;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/persistence/Persistence.html#providers">providers</A></B></CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I></I>&nbsp;</TD>
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<TD><CODE><B><A HREF="../../javax/persistence/Persistence.html#Persistence()">Persistence</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;<A HREF="../../javax/persistence/EntityManagerFactory.html" title="interface in javax.persistence">EntityManagerFactory</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/persistence/Persistence.html#createEntityManagerFactory(java.lang.String)">createEntityManagerFactory</A></B>(java.lang.String&nbsp;persistenceUnitName)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create and return an EntityManagerFactory for the named
persistence unit.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;<A HREF="../../javax/persistence/EntityManagerFactory.html" title="interface in javax.persistence">EntityManagerFactory</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/persistence/Persistence.html#createEntityManagerFactory(java.lang.String, java.util.Map)">createEntityManagerFactory</A></B>(java.lang.String&nbsp;persistenceUnitName,
java.util.Map&nbsp;properties)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create and return an EntityManagerFactory for the named persistence unit
using the given properties.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;<A HREF="../../javax/persistence/PersistenceUtil.html" title="interface in javax.persistence">PersistenceUtil</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/persistence/Persistence.html#getPersistenceUtil()">getPersistenceUtil</A></B>()</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the PersistenceUtil instance</TD>
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<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
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<A NAME="PERSISTENCE_PROVIDER"><!-- --></A><H3>
PERSISTENCE_PROVIDER</H3>
<PRE>
<FONT SIZE="-1">@Deprecated
</FONT>public static final java.lang.String <B>PERSISTENCE_PROVIDER</B></PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I></I><DD>This final String is deprecated and should be removed and is only here for TCK backward compatibility
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../constant-values.html#javax.persistence.Persistence.PERSISTENCE_PROVIDER">Constant Field Values</A><DT><B>Since:</B></DT>
<DD>Java Persistence 1.0</DD>
</DL>
</DL>
<HR>
<A NAME="providers"><!-- --></A><H3>
providers</H3>
<PRE>
<FONT SIZE="-1">@Deprecated
</FONT>protected static final java.util.Set&lt;<A HREF="../../javax/persistence/spi/PersistenceProvider.html" title="interface in javax.persistence.spi">PersistenceProvider</A>&gt; <B>providers</B></PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I></I><DD>This instance variable is deprecated and should be removed and is only here for TCK backward compatibility
<P>
<DL>
<DT><B>Since:</B></DT>
<DD>Java Persistence 1.0</DD>
</DL>
</DL>
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<A NAME="Persistence()"><!-- --></A><H3>
Persistence</H3>
<PRE>
public <B>Persistence</B>()</PRE>
<DL>
</DL>
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<A NAME="createEntityManagerFactory(java.lang.String)"><!-- --></A><H3>
createEntityManagerFactory</H3>
<PRE>
public static <A HREF="../../javax/persistence/EntityManagerFactory.html" title="interface in javax.persistence">EntityManagerFactory</A> <B>createEntityManagerFactory</B>(java.lang.String&nbsp;persistenceUnitName)</PRE>
<DL>
<DD>Create and return an EntityManagerFactory for the named
persistence unit.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>persistenceUnitName</CODE> - the name of the persistence unit
<DT><B>Returns:</B><DD>the factory that creates EntityManagers configured according to
the specified persistence unit</DL>
</DD>
</DL>
<HR>
<A NAME="createEntityManagerFactory(java.lang.String, java.util.Map)"><!-- --></A><H3>
createEntityManagerFactory</H3>
<PRE>
public static <A HREF="../../javax/persistence/EntityManagerFactory.html" title="interface in javax.persistence">EntityManagerFactory</A> <B>createEntityManagerFactory</B>(java.lang.String&nbsp;persistenceUnitName,
java.util.Map&nbsp;properties)</PRE>
<DL>
<DD>Create and return an EntityManagerFactory for the named persistence unit
using the given properties.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>persistenceUnitName</CODE> - the name of the persistence unit<DD><CODE>properties</CODE> - Additional properties to use when creating the factory. The
values of these properties override any values that may have
been configured elsewhere.
<DT><B>Returns:</B><DD>the factory that creates EntityManagers configured according to
the specified persistence unit.</DL>
</DD>
</DL>
<HR>
<A NAME="getPersistenceUtil()"><!-- --></A><H3>
getPersistenceUtil</H3>
<PRE>
public static <A HREF="../../javax/persistence/PersistenceUtil.html" title="interface in javax.persistence">PersistenceUtil</A> <B>getPersistenceUtil</B>()</PRE>
<DL>
<DD>Return the PersistenceUtil instance
<P>
<DD><DL>
<DT><B>Returns:</B><DD>PersistenceUtil instance<DT><B>Since:</B></DT>
<DD>Java Persistence 2.0</DD>
</DL>
</DD>
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