index-group=Unrevised type=page status=published title=Injection Of Datasource
*Help us document this example! Click the blue pencil icon in the upper right to edit this page.* ## Movie package org.superbiz.injection; /** * @version $Revision: 607077 $ $Date: 2007-12-27 06:55:23 -0800 (Thu, 27 Dec 2007) $ */ public class Movie { private String director; private String title; private int year; public Movie() { } public Movie(String director, String title, int year) { this.director = director; this.title = title; this.year = year; } public String getDirector() { return director; } public void setDirector(String director) { this.director = director; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public int getYear() { return year; } public void setYear(int year) { this.year = year; } } ## Movies package org.superbiz.injection; import javax.annotation.PostConstruct; import javax.annotation.Resource; import javax.ejb.Stateful; import javax.sql.DataSource; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.util.ArrayList; import java.util.List; @Stateful public class Movies { /** * The field name "movieDatabase" matches the DataSource we * configure in the TestCase via : * p.put("movieDatabase", "new://Resource?type=DataSource"); * <p/> * This would also match an equivalent delcaration in an openejb.xml: * <Resource id="movieDatabase" type="DataSource"/> * <p/> * If you'd like the freedom to change the field name without * impact on your configuration you can set the "name" attribute * of the @Resource annotation to "movieDatabase" instead. */ @Resource private DataSource movieDatabase; @PostConstruct private void construct() throws Exception { Connection connection = movieDatabase.getConnection(); try { PreparedStatement stmt = connection.prepareStatement("CREATE TABLE movie ( director VARCHAR(255), title VARCHAR(255), year integer)"); stmt.execute(); } finally { connection.close(); } } public void addMovie(Movie movie) throws Exception { Connection conn = movieDatabase.getConnection(); try { PreparedStatement sql = conn.prepareStatement("INSERT into movie (director, title, year) values (?, ?, ?)"); sql.setString(1, movie.getDirector()); sql.setString(2, movie.getTitle()); sql.setInt(3, movie.getYear()); sql.execute(); } finally { conn.close(); } } public void deleteMovie(Movie movie) throws Exception { Connection conn = movieDatabase.getConnection(); try { PreparedStatement sql = conn.prepareStatement("DELETE from movie where director = ? AND title = ? AND year = ?"); sql.setString(1, movie.getDirector()); sql.setString(2, movie.getTitle()); sql.setInt(3, movie.getYear()); sql.execute(); } finally { conn.close(); } } public List<Movie> getMovies() throws Exception { ArrayList<Movie> movies = new ArrayList<Movie>(); Connection conn = movieDatabase.getConnection(); try { PreparedStatement sql = conn.prepareStatement("SELECT director, title, year from movie"); ResultSet set = sql.executeQuery(); while (set.next()) { Movie movie = new Movie(); movie.setDirector(set.getString("director")); movie.setTitle(set.getString("title")); movie.setYear(set.getInt("year")); movies.add(movie); } } finally { conn.close(); } return movies; } } ## MoviesTest package org.superbiz.injection; import junit.framework.TestCase; import javax.ejb.embeddable.EJBContainer; import javax.naming.Context; import java.util.List; import java.util.Properties; //START SNIPPET: code public class MoviesTest extends TestCase { public void test() throws Exception { Properties p = new Properties(); p.put("movieDatabase", "new://Resource?type=DataSource"); p.put("movieDatabase.JdbcDriver", "org.hsqldb.jdbcDriver"); p.put("movieDatabase.JdbcUrl", "jdbc:hsqldb:mem:moviedb"); Context context = EJBContainer.createEJBContainer(p).getContext(); Movies movies = (Movies) context.lookup("java:global/injection-of-datasource/Movies"); movies.addMovie(new Movie("Quentin Tarantino", "Reservoir Dogs", 1992)); movies.addMovie(new Movie("Joel Coen", "Fargo", 1996)); movies.addMovie(new Movie("Joel Coen", "The Big Lebowski", 1998)); List<Movie> list = movies.getMovies(); assertEquals("List.size()", 3, list.size()); for (Movie movie : list) { movies.deleteMovie(movie); } assertEquals("Movies.getMovies()", 0, movies.getMovies().size()); } } # Running ------------------------------------------------------- T E S T S ------------------------------------------------------- Running org.superbiz.injection.MoviesTest Apache OpenEJB 4.0.0-beta-1 build: 20111002-04:06 http://tomee.apache.org/ INFO - openejb.home = /Users/dblevins/examples/injection-of-datasource INFO - openejb.base = /Users/dblevins/examples/injection-of-datasource INFO - Using 'javax.ejb.embeddable.EJBContainer=true' INFO - Configuring Service(id=Default Security Service, type=SecurityService, provider-id=Default Security Service) INFO - Configuring Service(id=Default Transaction Manager, type=TransactionManager, provider-id=Default Transaction Manager) INFO - Configuring Service(id=movieDatabase, type=Resource, provider-id=Default JDBC Database) INFO - Found EjbModule in classpath: /Users/dblevins/examples/injection-of-datasource/target/classes INFO - Beginning load: /Users/dblevins/examples/injection-of-datasource/target/classes INFO - Configuring enterprise application: /Users/dblevins/examples/injection-of-datasource WARN - Method 'lookup' is not available for 'javax.annotation.Resource'. Probably using an older Runtime. INFO - Configuring Service(id=Default Stateful Container, type=Container, provider-id=Default Stateful Container) INFO - Auto-creating a container for bean Movies: Container(type=STATEFUL, id=Default Stateful Container) INFO - Auto-linking resource-ref 'java:comp/env/org.superbiz.injection.Movies/movieDatabase' in bean Movies to Resource(id=movieDatabase) INFO - Configuring Service(id=Default Managed Container, type=Container, provider-id=Default Managed Container) INFO - Auto-creating a container for bean org.superbiz.injection.MoviesTest: Container(type=MANAGED, id=Default Managed Container) INFO - Enterprise application "/Users/dblevins/examples/injection-of-datasource" loaded. INFO - Assembling app: /Users/dblevins/examples/injection-of-datasource INFO - Jndi(name="java:global/injection-of-datasource/Movies!org.superbiz.injection.Movies") INFO - Jndi(name="java:global/injection-of-datasource/Movies") INFO - Jndi(name="java:global/EjbModule1508028338/org.superbiz.injection.MoviesTest!org.superbiz.injection.MoviesTest") INFO - Jndi(name="java:global/EjbModule1508028338/org.superbiz.injection.MoviesTest") INFO - Created Ejb(deployment-id=Movies, ejb-name=Movies, container=Default Stateful Container) INFO - Created Ejb(deployment-id=org.superbiz.injection.MoviesTest, ejb-name=org.superbiz.injection.MoviesTest, container=Default Managed Container) INFO - Started Ejb(deployment-id=Movies, ejb-name=Movies, container=Default Stateful Container) INFO - Started Ejb(deployment-id=org.superbiz.injection.MoviesTest, ejb-name=org.superbiz.injection.MoviesTest, container=Default Managed Container) INFO - Deployed Application(path=/Users/dblevins/examples/injection-of-datasource) Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.276 sec Results : Tests run: 1, Failures: 0, Errors: 0, Skipped: 0