persistence.xml

Giriş

src/main/resources/META-INF/persistence.xml dizinindedir

Örnek

Şöyle yaparız. jta-data-source ile JNDI ismi veriliyor.

<?xml version="1.0" encoding="UTF-8"?>
  <persistence version="2.1"
    xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd ">
  <persistence-unit name="MyAppPU" transaction-type="JTA">
    <jta-data-source>java:app/jdbc/MyApp</jta-data-source>
    <shared-cache-mode>ENABLE_SELECTIVE</shared-cache-mode>
    <properties>
      <!-- JBoss Wildfly's Hibernate 4 specific JPA properties -->
      <property name="hibernate.cache.use_second_level_cache" value="true" />
      <property name="hibernate.hbm2ddl.auto" value="validate" /><!-- NEVER: update -->
      <property name="hibernate.show_sql" value="false" />
      <property name="hibernate.format_sql" value="false"/>
      <property name="hibernate.use_sql_comments" value="false" />
      <property name="hibernate.enable_lazy_load_no_trans" value="true"/>
      <!--  For Performance monitoring on Hibernate -->
      <property name="hibernate.generate_statistics" value="false"/>
      <property name="hibernate.cache.use_structured_entries" value="false"/>
    			
      <!-- TomEE PluME 1.7.2 and higher with EclipseLink  -->
      <property name="eclipselink.logging.logger" value="JavaLogger" />
      </properties>
  </persistence-unit>
</persistence>

Kullanmak için şöyle yaparız

@PersistenceContext(unitName="MyAppPU")
private EntityManager entityManager;