Resource Injection Question

[Khaled Mahmoud]

Hi all,

I have seen many sample codes on the internet on resource injection. The codes requests a javax.sql.DateSource to an instance field.

    
 
    @Resource(name="jdbc/EmployeeAppDB", type=javax.sql.DataSource)
@Stateless public class EmployeeServiceBean implements EmployeeService {
@Resource SessionContext ctx;
public void changePhoneNumber(...) {
...
// use context lookup to obtain resource manager
// connection factory
javax.sql.DataSource ds = (javax.sql.DataSource) ctx.lookup("jdbc/EmployeeAppDB");

// Invoke factory to obtain a connection. The security
// principal is not given, and therefore
// it will be configured by the Deployer.
java.sql.Connection con = ds.getConnection();
...
}
}
 

The above code, injects a DataSource object How does the target database,
database username, database password are specified. Is this the responsibility of the Application deployer through the deployment tools.

Thanks in advance.

[Fabian Gutierrez]

Khaled,

thats right; in the ejb core spec it reads:

"16.3.3 Deployer�s Responsibility
The Deployer must ensure that the values of all the environment entries declared by an enterprise bean are created and/or set to meaningful values.
The Deployer can modify the values of the environment entries that have been previously set by the Bean Provider and/or Application Assembler, and must set the values of those environment entries for which no value has been specified.

The description elements provided by the Bean Provider or Application Assembler help the Deployer with this task."

regards

[Khaled Mahmoud]

Hi,
I am now using Glassfish application server with Netbeans Beta 6.0. Can somebody please tell me how configure the DataSource resources in Glassfish.

Thanks in advace

[Jan Cumps]

GlassFish Community: JDBC Resources

DZone: Configuring a (Oracle) datasource on Glassfish

Regards, Jan