/* * Created on Aug 12, 2003 */ package DatabaseCommunication; /** * @author student * * Class Information: * Class : DatabaseManager.java * Package : DatabaseCommunication * Project: Pinboard * This class is being used for * */ public class DatabaseManager { static DatabaseConnection dbcon = new DatabaseConnection(); /** * Method: main * This method is being used for * @param args void */ public static void main(String[] args) { destroyTables(); createTables(); } /** * Method: createTables * This method is being used for * void */ public static void createTables() { String userTable = "CREATE TABLE user (" + //"id INT UNSIGNED NOT NULL AUTO_INCREMENT," + //"PRIMARY KEY (id),"+ "loginId CHAR(20) NOT NULL ," + "PRIMARY KEY (loginId)," + "fName CHAR(40)," + "lName CHAR(40)," + "email CHAR(40)," + "outFrom DATETIME," + "outTo DATETIME," + "expiryTime DATETIME);"; String messageTable = "CREATE TABLE message(" + "id INT UNSIGNED NOT NULL AUTO_INCREMENT,fromUser CHAR(100),toUser CHAR(100)," + "body CHAR(128)," + "subject CHAR(50)," + "time DATETIME," + "PRIMARY KEY(id)," + "expiryTime DATETIME);"; String announcementTable = "CREATE TABLE announcement(" + "id INT UNSIGNED NOT NULL AUTO_INCREMENT,fromUser CHAR(100)," + "body CHAR(128)," + "subject CHAR(50)," + "time DATETIME," + "PRIMARY KEY (id)," + "expiryTime DATETIME);"; dbcon.createTables(userTable); dbcon.createTables(messageTable); dbcon.createTables(announcementTable); } /** * Method: destroyTables * This method is being used for * void */ public static void destroyTables() { String destroyUser = "DROP TABLE IF EXISTS user"; String destroyMessage = "DROP TABLE IF EXISTS message"; String destroyAnnouncement = "DROP TABLE IF EXISTS announcement"; dbcon.destroyTables(destroyUser); dbcon.destroyTables(destroyMessage); dbcon.destroyTables(destroyAnnouncement); } }