/*
 * @(#)IndyInterface
 *
 * Copyright (c) 1998 Karl Moss. All Rights Reserved.
 *
 * You may study, use, modify, and distribute this software for any
 * purpose provided that this copyright notice appears in all copies.
 *
 * This software is provided WITHOUT WARRANTY either expressed or
 * implied.
 *
 * @author  Karl Moss
 * @version 1.0
 * @date    17Apr98
 *
 */

package javaservlets.tunnel;
//import javaservlets.tunnel.IndyRecord;
/**
  * <p>This interface defines the methods available for
  * performing queries on the Indianapolis 500 database
  */

public interface IndyInterface
{
  /**
    * <p>Connects to the database.
    *
    * @return True if the database connection was established
    */
  boolean connect();

  /**
    * <p>Closes the database connection
    */
  void close();

  /**
    * <p>Given the year return the corresponding Indianapolis
    * 500 record
    *
    * @param year Year of the race
    * @return Indy 500 record or null if not found
    */
  IndyRecord[] query();
 /**
    * <p>Delete a data whose ID come from txtfield1 in table wang
    * 500 record
    *
    * @param year Year of the race
    * not return
    */
  void delete(String taskid);
  /**
    * <p>Insert a data whose ID come from txtfield2 in table wang
    *
    *
    * @param record which will be inserted into table of database
    * not return
    */
   void insert(IndyRecord record);
 /**
    * <p>Update a data whose ID come from txtfield2 in table wang
    *
    *
    * @param record which will be updated into table of database
    * not return
    */
  void update(IndyRecord record);
  }