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<title>Converting a Java Project to a JPA Project</title>
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<div class="sect1"><!-- infolevel="all" infotype="General" -->
<h1>Converting a Java Project to a JPA Project</h1>
<p><a id="sthref35" name="sthref35"></a><a id="sthref36" name="sthref36"></a><a id="sthref37" name="sthref37"></a>Use this procedure to convert an existing Java project to a JPA project.</p>
<ol>
<li>
<p>From the Navigator or Project explorer, right-click the Java project and then select <span class="bold">Configure > Convert to JPA Project.</span> The Project Facets page of the Modify Faceted Project wizard appears.</p>
<div class="figure"><a id="sthref38" name="sthref38"></a>
<p class="titleinfigure">Modify Faceted Project Page</p>
<img src="img/modify_faceted_project.png" alt="" title="" /><br /></div>
<!-- class="figure" --></li>
<li>
<p>Change the <span class="bold">Configuration</span> to <span class="bold">Utility JPA project</span>.</p>
</li>
<li>
<p>Click <span class="bold">Next</span>. <a href="ref_jpa_facet.htm#CACIFDIF">JPA Facet page</a> appears.</p>
<div class="figure"><a id="sthref39" name="sthref39"></a>
<p class="titleinfigure">JPA Facet Page</p>
<img src="img/new_jpa_facet_task.png" alt="" title="" /><br /></div>
<!-- class="figure" --></li>
<li>
<p>Complete the fields on the <a href="ref_jpa_facet.htm#CACIFDIF">JPA Facet page</a> to specify your vender-specific platform, JPA implementation library, and database connection.</p>
<p>Click <span class="bold">Manage libraries</span> to create or update your JPA user libraries. Click <span class="bold">Download libraries</span> to obtain additional JPA implementation libraries.</p>
<p>If Dali derives the incorrect schema, select <span class="bold">Override the Default Schema for Connection</span>. Using this option, you can select a development time schema for defaults and validation.</p>
<p>If you clear the <span class="bold">Create orm.xml</span> option (which is selected by default), you can later add a mapping file to the project using the <a href="reference002.htm#CIAIJCCE">Mapping File Wizard</a>.</p>
</li>
<li>
<p>Click <span class="bold">Finish</span>.</p>
</li>
</ol>
<p>The Dali OR Mapping Tool adds the JPA implementation libraries to your project and creates the necessary <code>orm.xml</code> and <code>perisistence.xml</code> files.</p>
<p> </p>
<img src="img/ngrelr.png" alt="Related reference" title="Related reference" /><br />
<br />
<a href="ref_new_jpa_project_wizard.htm#CACBJGBG">Create New JPA Project wizard</a><br />
<a href="ref_persistence_perspective.htm#BABIFBDB">JPA Development perspective</a><br />
<a href="reference002.htm#CIAIJCCE">Mapping File Wizard</a>
<p> </p>
<img src="img/ngrelt.png" alt="Related tasks" title="Related tasks" /><br />
<br />
<a href="task_manage_persistence.htm#CIHDAJID">Managing the persistence.xml file</a><br />
<a href="task_add_persistence.htm#BABHICAI">Adding persistence to a class</a><br />
<a href="task_create_new_project.htm#CIHHEJCJ">Creating a new JPA project</a>
<p> </p>
<img src="img/ngrelc.png" alt="Related concept" title="Related concept" /><br />
<br />
<a href="concept_persistence.htm#BABCAHIC">Understanding Java persistence</a><br />
<a href="concepts002.htm#CHDHAGIH">The persistence.xml file</a>
<p> </p>
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