openjpa-project/src/doc/manual/ref_guide_intro.xml

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<chapter id="ref_guide_intro">
    <title>
        Introduction
    </title>
    <para>
OpenJPA is a JDBC-based implementation of the JPA standard.
This document is a reference for the configuration and use of OpenJPA.
    </para>
    <section id="ref_guide_intro_audience">
        <title>
            Intended Audience
        </title>
        <para>
This document is intended for OpenJPA developers. It
assumes strong knowledge of Java, familiarity with the eXtensible Markup
Language (XML), and an understanding of JPA. If you are not familiar with JPA,
please read the <link linkend="jpa_overview_intro">JPA Overview</link> before
proceeding. 
<!-- 
### TUTORIAL
We also strongly recommend taking OpenJPA's hands-on
<link linkend="tutorials">tutorials</link> to get comfortable with OpenJPA
basics.
-->
        </para>
        <para>
Certain sections of this guide cover advanced topics such as custom
object-relational mapping, enterprise integration, and using OpenJPA with
third-party tools. These sections assume prior experience with the relevant
subject.
        </para>
    </section>
</chapter>