import org.apache.commons.pool.impl.GenericObjectPool;
import org.apache.commons.dbcp.*;
import java.sql.*;
public class DBCPDemo{
public static void main(String args[]) throws Exception{
// create a generic pool
GenericObjectPool pool = new GenericObjectPool(null);
// use the connection factory which will wraped by
// the PoolableConnectionFactory
DriverManagerConnectionFactory cf = new DriverManagerConnectionFactory(
"jdbc:jtds:sqlserver://myserver:1433/tandem",
"user",
"pass");
PoolableConnectionFactory pcf = new PoolableConnectionFactory(cf, pool, null, "SELECT * FROM mysql.db", false, true);
// register our pool and give it a name
new PoolingDriver().registerPool("myPool", pool);
// get a connection and test it
Connection conn = DriverManager.getConnection("jdbc:apache:commons:dbcp:myPool");
// now we can use this pool the way we want.
System.err.println("Are we connected? " + !conn.isClosed());
System.err.println("Idle Connections: " + pool.getNumIdle() + ", out of " + pool.getNumActive());
}
}
DBCPDemo.zip( 1,214 k)