MBeans for stable resources - JMX in Action - page 80

Listing 4.2 DBSource.java

package jmxbook.ch4;

import java.sql.*;
import javax.sql.*;
import javax.naming.*;

public class DBSource
{

private DataSource ds = null;
private boolean commit = false;

public DBSource( String JNDIName )
{
try
{
//lookup data source using JNDI
Context ctx = new InitialContext();
ds = ( DataSource ) ctx.lookup( JNDIName );
}
catch( Exception e )
{
e.printStackTrace();
}

}

public void resetDataSource( String name )
{
try
{
Context ctx = new InitialContext();
ds = ( DataSource ) ctx.lookup( name );
}
catch( Exception e )
{
e.printStackTrace();
}
}

B

Expose
getConnection()
operation

public Connection getConnection()
{
Connection con = null;

try
{
con = ds.getConnection();
con.setAutoCommit( commit );
return con;
}
catch( Exception e )
{