Example: Test the performance of two DataSources

import java.sql.*;
import javax.naming.*;
import java.util.*;
import javax.sql.*;
import com.ibm.db2.jdbc.app.UDBDataSource;
import com.ibm.db2.jdbc.app.UDBConnectionPoolDataSource;

public class StatementPoolingTest
{

    public static void main(java.lang.String[] args)
    throws Exception
    {
        Context ctx = new InitialContext();

        System.out.println("deploying statement pooling data source");
        deployStatementPoolDataSource();

        // Do the work with connection pooling only.
        DataSource ds = (DataSource) ctx.lookup("PoolingDataSource");
        System.out.println("\nStart timing the connection pooling only version...");

        long startTime = System.currentTimeMillis();
        for (int i = 0; i < 100; i++) {
            Connection c1 = ds.getConnection();
            PreparedStatement ps = c1.prepareStatement("select * from qsys2.sysprocs");
            ResultSet rs = ps.executeQuery();
            c1.close();
        }
        long endTime = System.currentTimeMillis();
        System.out.println("Time spent: " + (endTime - startTime));


        // Do the work with statement pooling added.
        ds = (DataSource) ctx.lookup("StatementPoolingDataSource");
        System.out.println("\nStart timing the statement pooling version...");

        startTime = System.currentTimeMillis();
        for (int i = 0; i < 100; i++) {
            Connection c1 = ds.getConnection();
            PreparedStatement ps = c1.prepareStatement("select * from qsys2.sysprocs");
            ResultSet rs = ps.executeQuery();
            c1.close();
        }
        endTime = System.currentTimeMillis();
        System.out.println("Time spent: " + (endTime - startTime));
    }



    private static void deployStatementPoolDataSource()
    throws Exception
    {
        // Create a ConnectionPoolDataSource implementation
        UDBConnectionPoolDataSource cpds = new UDBConnectionPoolDataSource();
        cpds.setDescription("Connection Pooling DataSource object with Statement pooling");
        cpds.setMaxStatements(10);

        // Establish a JNDI context and bind the connection pool data source
        Context ctx = new InitialContext();
        ctx.rebind("StatementSupport", cpds);


        // Create a standard datasource that references it.
        UDBDataSource ds = new UDBDataSource();
        ds.setDescription("DataSource supporting statement pooling");
        ds.setDataSourceName("StatementSupport");
        ctx.rebind("StatementPoolingDataSource", ds);

    }
}