Package com.mchange.v2.c3p0.test

Source Code of com.mchange.v2.c3p0.test.TestRefSerStuff

/*
* Distributed as part of c3p0 v.0.9.1-pre6
*
* Copyright (C) 2005 Machinery For Change, Inc.
*
* Author: Steve Waldman <swaldman@mchange.com>
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 2.1, as
* published by the Free Software Foundation.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software; see the file LICENSE.  If not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/


package com.mchange.v2.c3p0.test;

import java.sql.*;
import javax.sql.*;
import com.mchange.v2.c3p0.*;
import com.mchange.v1.db.sql.*;
import javax.naming.Reference;
import javax.naming.Referenceable;
import com.mchange.v2.naming.ReferenceableUtils;
import com.mchange.v2.ser.SerializableUtils;
import com.mchange.v2.c3p0.DriverManagerDataSource;
import com.mchange.v2.c3p0.PoolBackedDataSource;


public final class TestRefSerStuff
{
    static void create(DataSource ds) throws SQLException
    {
  Connection con = null;
  Statement stmt = null;
  try
      {
    con = ds.getConnection();
    stmt = con.createStatement();
    stmt.executeUpdate("CREATE TABLE TRSS_TABLE ( a_col VARCHAR(16) )");
      }
  finally
      {
    StatementUtils.attemptClose( stmt );
    ConnectionUtils.attemptClose( con );
      }
    }

    static void drop(DataSource ds) throws SQLException
    {
  Connection con = null;
  Statement stmt = null;
  try
      {
    con = ds.getConnection();
    stmt = con.createStatement();
    stmt.executeUpdate("DROP TABLE TRSS_TABLE");
      }
  finally
      {
    StatementUtils.attemptClose( stmt );
    ConnectionUtils.attemptClose( con );
      }
    }

    static void doSomething(DataSource ds) throws SQLException
    {
  Connection con = null;
  Statement stmt = null;
  try
      {
    con = ds.getConnection();
    stmt = con.createStatement();
    int i = stmt.executeUpdate("INSERT INTO TRSS_TABLE VALUES ('" +
             System.currentTimeMillis() + "')");
    if (i != 1)
        throw new SQLException("Insert failed somehow strange!");
      }
  finally
      {
    StatementUtils.attemptClose( stmt );
    ConnectionUtils.attemptClose( con );
      }
    }

    private static void usage()
    {
  System.err.println("java " +
         "-Djdbc.drivers=<comma_sep_list_of_drivers> " +
         TestRefSerStuff.class.getName() +
         " <jdbc_url> [<username> <password>]" );
  System.exit(-1);
    }

    static void doTest(DataSource checkMe) throws Exception
    {
  doSomething( checkMe );
  System.err.println("\tcreated: " + checkMe);
  DataSource afterSer = (DataSource) SerializableUtils.testSerializeDeserialize( checkMe );
  doSomething( afterSer );
  System.err.println("\tafter ser: " + afterSer );
  Reference ref = ((Referenceable) checkMe).getReference();
//          System.err.println("ref: " + ref);
//          System.err.println("Factory Class: " + ref.getFactoryClassName());
  DataSource afterRef = (DataSource) ReferenceableUtils.referenceToObject( ref,
                     null,
                     null,
                     null );
//          System.err.println("afterRef data source: " + afterRef);
  doSomething( afterRef );
  System.err.println("\tafter ref: " + afterRef );
    }

    public static void main( String[] argv )
    {
  String jdbcUrl = null;
  String username = null;
  String password = null;
  if (argv.length == 3)
      {
    jdbcUrl = argv[0];
    username = argv[1];
    password = argv[2];
      }
  else if (argv.length == 1)
      {
    jdbcUrl = argv[0];
    username = null;
    password = null;
      }
  else
      usage();
 
  if (! jdbcUrl.startsWith("jdbc:") )
      usage();
 
 
  try
      {
    DriverManagerDataSource dmds = new DriverManagerDataSource();
    dmds.setJdbcUrl( jdbcUrl );
    dmds.setUser( username );
    dmds.setPassword( password );
    try { drop( dmds ); }
    catch (Exception e)
        { /* Ignore */ }
    create( dmds );

    System.err.println("DriverManagerDataSource:");
    doTest( dmds );
   
    WrapperConnectionPoolDataSource wcpds = new WrapperConnectionPoolDataSource();
    wcpds.setNestedDataSource( dmds );
    PoolBackedDataSource pbds = new PoolBackedDataSource();
    pbds.setConnectionPoolDataSource( wcpds );
   
    System.err.println("PoolBackedDataSource:");
    doTest( pbds );
      }
  catch ( Exception e )
      { e.printStackTrace(); }
    }

}
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