HHH-8112 quickstart tutorial chapter
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Brett Meyer
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<surname>Warski</surname>
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</personname>
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</author>
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<author>
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<personname>
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<firstname>Brett</firstname>
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<surname>Meyer</surname>
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</personname>
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</author>
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<othercredit>
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<personname>
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@ -43,5 +43,6 @@
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<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="content/tutorial_annotations.xml" />
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<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="content/tutorial_jpa.xml" />
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<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="content/tutorial_envers.xml" />
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<xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="content/tutorial_osgi.xml" />
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</book>
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<?xml version='1.0' encoding='UTF-8' ?>
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<chapter xmlns="http://docbook.org/ns/docbook"
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xmlns:xl="http://www.w3.org/1999/xlink"
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<title>OSGi Tutorial</title>
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<para>
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Hibernate targets the OSGi 4.3 spec or later and supports three types
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of configurations.
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<orderedlist>
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<listitem>
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<link xl:href="https://github.com/hibernate/hibernate-orm/tree/master/documentation/src/main/docbook/quickstart/tutorials/osgi/managed-jpa">Container-Managed JPA</link>
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</listitem>
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<listitem>
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<link xl:href="https://github.com/hibernate/hibernate-orm/tree/master/documentation/src/main/docbook/quickstart/tutorials/osgi/unmanaged-jpa">Unmanaged JPA</link>
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</listitem>
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<listitem>
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<link xl:href="https://github.com/hibernate/hibernate-orm/tree/master/documentation/src/main/docbook/quickstart/tutorials/osgi/unmanaged-native">Unmanaged Native</link>
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</listitem>
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</orderedlist>
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</para>
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<para>
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For more details about OSGi, the three configurations, hibernate-osgi, extensions points, and caveats, please
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see the OSGi chapter of the Developer's Guide!
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</para>
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<section>
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<title>
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Project Overview
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</title>
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<para>
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Each configuration has a QuickStart project located within the download bundle (under <filename>osgi</filename>).
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The bundles can be used as-is within Apache Karaf. Feel free to use them as literal
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"quick start" bundle templates.
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</para>
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</section>
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<section>
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<title>
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Project Structure
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</title>
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<itemizedlist>
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<listitem>
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<filename>osgi/datasource-h2.xml</filename>: Enterprise OSGi JPA usage can include a DataSource installed in the container.
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The client bundle's <literal>persistence.xml</literal> references the DataSource through JNDI. For an
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example, see how managed-jpa's <literal>persistence.xml</literal> calls out the
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<literal>jta-data-source</literal>.
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</listitem>
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<listitem>
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<filename>osgi/[project]/features.xml</filename>: This is arguably the most important "quick start" material. It defines
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a single Karaf feature ("hibernate-test") that demonstrates the necessary 3rd party libraries and
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bundle activation ordering.
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</listitem>
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<listitem>
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<filename>osgi/[project]/pom.xml</filename>: The POM includes typical compile-time dependencies (JPA, OSGi Core,
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OSGi Enterprise), as well as OSGi manifest data.
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</listitem>
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<listitem>
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<filename>osgi/[project]/src/main/resources/OSGI-INF/blueprint/blueprint.xml</filename>:
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The Blueprint includes container-managed EntityManager
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injection (for managed-jpa), as well as demonstrations showing how to register
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your custom implementations of Hibernate extension points.
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</listitem>
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<listitem>
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<filename>osgi/[project]/src/main/resources/META-INF/persistence.xml</filename> or
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<filename>osgi/[project]/src/main/resources/hibernate.cfg.xml</filename>: Note that the configurations
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are no different than typical uses of Hibernate!
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</listitem>
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<listitem>
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<filename>osgi/[project]/src/main/java/org/hibernate/osgitest/HibernateUtil.java</filename>: Demonstrates how to create an
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EntityManagerFactory (JPA) or SessionFactory (Native) using hibernate-osgi's services. Note that in
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managed-jpa, this is replaced by <literal>DataPointServiceImpl#entityManager</literal>, injected by
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<filename>blueprint.xml</filename> (described above).
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</listitem>
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</itemizedlist>
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</section>
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<section xml:id="hibernate-gsg-tutorial-envers-config">
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<title>
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TODOs
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</title>
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<itemizedlist>
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<listitem>
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If using managed-jpa, <filename>features.xml</filename> will need the path to
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<filename>datasource-h2.xml</filename> updated.
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</listitem>
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</itemizedlist>
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</section>
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<section xml:id="hibernate-gsg-tutorial-envers-config">
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<title>
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Karaf Commands
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</title>
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<para>
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All three bundles include Karaf Commands that can be used directly on the Karaf command line to test
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basic persistence operations ("dp:add [name]", "dp:getall", "dp:deleteall", etc.). I leave them in the
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QuickStarts as a useful sanity check.
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</para>
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</section>
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</chapter>
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xmlns:jpa="http://aries.apache.org/xmlns/jpa/v1.0.0"
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xmlns:tx="http://aries.apache.org/xmlns/transactions/v1.0.0">
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<!-- This gets the container-managed EntityManager and injects it into the DataPointServiceImpl bean. -->
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<bean id="dpService" class="org.hibernate.osgitest.DataPointServiceImpl">
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<jpa:context unitname="managed-jpa" property="entityManager"/>
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<tx:transaction method="*" value="Required"/>
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</bean>
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<service ref="dpService" interface="org.hibernate.osgitest.DataPointService" />
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<!-- This demonstrates how to register your custom implementations of Hibernate extension points, such as
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Integrator and TypeContributor. -->
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<!-- <bean id="integrator" class="your.package.IntegratorImpl"/>
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<service ref="integrator" interface="org.hibernate.integrator.spi.Integrator"/>
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<bean id="typeContributor" class="your.package.TypeContributorImpl"/>
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<service ref="typeContributor" interface="org.hibernate.metamodel.spi.TypeContributor"/> -->
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<!-- This bundle makes use of Karaf commands to demonstrate core persistence operations. Feel free to remove it. -->
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<command-bundle xmlns="http://karaf.apache.org/xmlns/shell/v1.1.0">
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<command name="dp/add">
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<action class="org.hibernate.osgitest.command.AddCommand">
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<bean id="dpService" class="org.hibernate.osgitest.DataPointServiceImpl"/>
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<service ref="dpService" interface="org.hibernate.osgitest.DataPointService" />
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<!-- This demonstrates how to register your custom implementations of Hibernate extension points, such as
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Integrator and TypeContributor. -->
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<!-- <bean id="integrator" class="your.package.IntegratorImpl"/>
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<service ref="integrator" interface="org.hibernate.integrator.spi.Integrator"/>
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<bean id="typeContributor" class="your.package.TypeContributorImpl"/>
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<service ref="typeContributor" interface="org.hibernate.metamodel.spi.TypeContributor"/> -->
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<!-- This bundle makes use of Karaf commands to demonstrate core persistence operations. Feel free to remove it. -->
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<command-bundle xmlns="http://karaf.apache.org/xmlns/shell/v1.1.0">
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<command name="dp:add">
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<action class="org.hibernate.osgitest.command.AddCommand">
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<bean id="dpService" class="org.hibernate.osgitest.DataPointServiceImpl"/>
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<service ref="dpService" interface="org.hibernate.osgitest.DataPointService" />
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<!-- This demonstrates how to register your custom implementations of Hibernate extension points, such as
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Integrator and TypeContributor. -->
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<!-- <bean id="integrator" class="your.package.IntegratorImpl"/>
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<service ref="integrator" interface="org.hibernate.integrator.spi.Integrator"/>
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<bean id="typeContributor" class="your.package.TypeContributorImpl"/>
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<service ref="typeContributor" interface="org.hibernate.metamodel.spi.TypeContributor"/> -->
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<!-- This bundle makes use of Karaf commands to demonstrate core persistence operations. Feel free to remove it. -->
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<command-bundle xmlns="http://karaf.apache.org/xmlns/shell/v1.1.0">
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<command name="dp:add">
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<action class="org.hibernate.osgitest.command.AddCommand">
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