Injection Of Datasource
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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
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T E S T S
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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