Thank you ... Back to the topic .. Is there any example that shows injecting JPA entitymanager to the DaoImpl , and inject the DaoImpl (as a Dao interface) to the Servlet ?
2010/3/21 Hontvári József <[email protected]> > > BTW , Is META-INF/beans.xml defined in the JavaEE spec ? What's the > relation with beans.xml and resin-web.xml ? > > yes, beans.xml is part of JSR-299. > resin-web.xml has the same role as web.xml, it is processed by Resin after > web.xml. You can place resin specific / non-standard configuration into > resin-web.xml. > > > > smallufo írta: > > I am new to CanDI , I want to migrate my spring app to JavaEE6 , but having > a lot of troubles in Resin (4.0.5) CanDI : > > There is no working sample in the resin site , most are outdated ... > > Here is my very basic sample , just JPA 2 and a Servlet : > > public interface PersonDao { > public Person get(long id); > } > > public class PersonDaoImpl implements PersonDao , Serializable { > @PersistenceContext(unitName = "mining", type = > PersistenceContextType.EXTENDED) > EntityManager em; > > @Override > public Person get(long id) { > return em.find(Person.class , id); > } > } > > public class HelloServlet extends HttpServlet { > @javax.inject.Inject > private PersonDao personDao; > > @Override > protected void doGet(HttpServletRequest hreq, HttpServletResponse hres) > throws ServletException, IOException { > PrintWriter out = hres.getWriter(); > System.out.println("personDao = " + personDao); // outputs Null > Person p = personDao.get(1L); //NPE , personDao is not injected > out.println("Hello, world! , person = " + p); > out.close(); > } > } > > persistence.xml > <?xml version="1.0" encoding="UTF-8"?> > <persistence xmlns="http://java.sun.com/xml/ns/persistence"; version="1.0"> > > <persistence-unit name="mining" transaction-type="RESOURCE_LOCAL"> > <provider>org.hibernate.ejb.HibernatePersistence</provider> > <class>foo.Person</class> > <properties> > <property name="hibernate.dialect" > value="org.hibernate.dialect.MySQLDialect" /> > <property name="hibernate.cache.provider_class" > value="org.hibernate.cache.EhCacheProvider" /> > <property name="hibernate.show_sql" value="true" /> > <property name="hibernate.format_sql" value="true" /> > > <property name="javax.persistence.jdbc.driver" > value="com.mysql.jdbc.Driver" /> > <property name="javax.persistence.jdbc.user" value="adm" /> > <property name="javax.persistence.jdbc.password" value="pwd" /> > <property name="javax.persistence.jdbc.url" > value="jdbc:mysql://db/mining?useUnicode=true&characterEncoding=UTF8" /> > </properties> > </persistence-unit> > </persistence> > > META-INF/beans.xml > <beans xmlns="http://java.sun.com/xml/ns/javaee";> > </beans> > > > my environment : > > <dependency> > <groupId>org.hibernate</groupId> > <artifactId>hibernate-core</artifactId> > <version>3.5.0-CR-2</version> > </dependency> > <dependency> > <groupId>org.hibernate.javax.persistence</groupId> > <artifactId>hibernate-jpa-2.0-api</artifactId> > <version>1.0.0-CR-1</version> > <scope>provided</scope> > </dependency> > > > This is a very basic Dao + JPA pattern , but I cannot find how to inject > the PersonDaoImpl to the Dao in the Servlet , > Can somebody give me a hint ? Thanks in advenced ! > > BTW , Is META-INF/beans.xml defined in the JavaEE spec ? What's the > relation with beans.xml and resin-web.xml ? > > ------------------------------ > > _______________________________________________ > resin-interest mailing > [email protected]http://maillist.caucho.com/mailman/listinfo/resin-interest > > > > _______________________________________________ > resin-interest mailing list > [email protected] > http://maillist.caucho.com/mailman/listinfo/resin-interest > >
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