List of elements in persistence.xml
<!-- turn off 2nd level caching (optional), values:
NONE, ALL, DISABLE_SELECTIVE, ENABLE_SELECTIVE, -->
<shared-cache-mode>NONE</shared-cache-mode>
<!-- desired provider (optional),
if not present, default provider will be used -->
<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
<!-- if true, only listed classes will be treated as entities.
Default false.
Not applicable for Java SE, where every entity must be listed -->
<exclude-unlisted-classes>false</exclude-unlisted-classes>
<!-- optional declaration of used datasource.
If not specified, connection properties must be specified.
Otherwise will use the referenced datasource provided by the container -->
<jta-data-source>jdbc/ds</jta-data-source>
Code language: HTML, XML (xml)
These elements can be overridden with the following properties, if a map is passed to EntityManagerFactory:
javax.persistence.provider
to define the provider class usedjavax.persistence.transactionType
to define the transaction type used (either JTA or RESOURCE_LOCAL)javax.persistence.jtaDataSource
to define the JTA datasource name in JNDIjavax.persistence.nonJtaDataSource
to define the non JTA datasource name in JNDIjavax.persistence.lock.timeout
– pessimistic lock timeout in milliseconds (Integer or String)javax.persistence.query.timeout
– query timeout in milliseconds (Integer or String)javax.persistence.sharedCache.mode
corresponds to theshare-cache-mode
element defined in Section 2.2.1, “Packaging”javax.persistence.validation.mode
corresponds to thevalidation-mode
element defined in Section 2.2.1, “Packaging”
List of standard properties
Driver:
<property name="javax.persistence.jdbc.driver"
value="org.apache.derby.jdbc.ClientDriver"/>
Code language: HTML, XML (xml)
URL:
<property name="javax.persistence.jdbc.url"
value="jdbc:derby://localhost:1527/chapter02DB;create=true"/>
Code language: HTML, XML (xml)
User:
<property name="javax.persistence.jdbc.user" value="APP"/>
Code language: HTML, XML (xml)
Password:
<property name="javax.persistence.jdbc.password" value="APP"/>
Code language: HTML, XML (xml)
Hibernate properties
Debug SQL:
<property name="hibernate.show_sql" value="true"/>
Code language: HTML, XML (xml)
Schema generation (optional):
<!-- create the database schema automatically,
values: create-drop, update -->
<property name="hibernate.hbm2ddl.auto"
value="create-drop"/>
Code language: HTML, XML (xml)
Dialect:
<property name="hibernate.dialect"
value="org.hibernate.dialect.H2Dialect" />
Code language: HTML, XML (xml)
EclipseLink properties
Schema generation (optional):
<!-- create the database schema automatically,
values: create-tables, drop-and-create-tables -->
<property name="eclipselink.ddl-generation"
value="create-tables"/>
Code language: HTML, XML (xml)
Resources
- http://antoniogoncalves.org/2009/07/05/jpa-2-0-standard-properties-in-persistence-xml/
- Netbeans
persistence.xml
editor