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<chapter id="openjpa_intro">
    <title>
        OpenJPA 
    </title>
    <indexterm zone="openjpa_intro">
        <primary>
            OpenJPA 
        </primary>
    </indexterm>
    <para>
OpenJPA is Apache's implementation of Sun's Java Persistence API (JPA)
specification for the transparent persistence of Java objects. This
document provides an overview of the JPA standard and technical
details on the use of OpenJPA.
    </para>
<!-- 
### TUTORIAL
    <para>
To quickly get started with OpenJPA, you may want to begin at
<xref linkend="jpa_tutorial"/>. If you would prefer to start with an
introduction to the JPA specification, begin with
<xref linkend="jpa_overview_intro"/>.
    </para>
-->
    <section id="openjpa_intro_about">
        <title>
            About This Document
        </title>
        <para>
This document is intended for OpenJPA users. It is divided into several parts:
        </para>
        <itemizedlist>
            <listitem>
                <para>
The <link linkend="jpa_overview_intro">JPA Overview</link> describes the
fundamentals of the JPA specification.
                </para>
            </listitem>
<!-- 
### TUTORIAL
            <listitem>
                <para>
In the <link linkend="tutorials">OpenJPA Tutorials</link> you will develop 
simple persistent applications using OpenJPA. Through the
tutorials' hands-on approach, you will become comfortable with the core tools
and development processes under OpenJPA.
                </para>
            </listitem>
-->
            <listitem>
                <para>
The <link linkend="ref_guide_intro">OpenJPA Reference Guide</link> contains 
detailed documentation on all aspects of OpenJPA.  Browse through this guide 
to familiarize yourself with the many advanced features and customization 
opportunities OpenJPA provides. Later, you can use the guide when you need 
details on a specific aspect of OpenJPA.
                </para>
            </listitem>
        </itemizedlist>
    </section>
</chapter>