/*********************************************************************/
/*(c) Copyright IBM Corp. 2004  All rights reserved.                 */
/*                                                                   */
/*This sample program is owned by International Business Machines    */
/*Corporation or one of its subsidiaries ("IBM") and is copyrighted  */
/*and licensed, not sold.                                            */
/*                                                                   */
/*You may copy, modify, and distribute this sample program in any    */
/*form without payment to IBM,  for any purpose including developing,*/
/*using, marketing or distributing programs that include or are      */
/*derivative works of the sample program.                            */
/*                                                                   */
/*The sample program is provided to you on an "AS IS" basis, without */
/*warranty of any kind.  IBM HEREBY  EXPRESSLY DISCLAIMS ALL         */
/*WARRANTIES EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO*/
/*THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTIC-*/
/*ULAR PURPOSE. Some jurisdictions do not allow for the exclusion or */
/*limitation of implied warranties, so the above limitations or      */
/*exclusions may not apply to you.  IBM shall not be liable for any  */
/*damages you suffer as a result of using, modifying or distributing */
/*the sample program or its derivatives.                             */
/*                                                                   */
/*Each copy of any portion of this sample program or any derivative  */
/*work,  must include a the above copyright notice and disclaimer of */
/*warranty.                                                          */
/*                                                                   */
/*********************************************************************/

package com.ibm.ExcelDB2;

/*********************************************************************/
/* Defines the interface to connect to a database                    */
/*********************************************************************/
public interface LoginService {
	/**
	* @param username username to the connect to database. Can be null
	* @param password password. Can be null
	* @param database name of the database to connect with. Cannot be null
	* @param port port # on which to connect to database. Can be null
	*
	* @return true if connection to database succeeded or false if connection failed
	*
	*/
	public boolean login(String username, String password, String database, String port);
}