public static void main(String[] args) {
JDBCTutorialUtilities myJDBCTutorialUtilities;
Connection myConnection = null;
if (args[0] == null) {
System.err.println("Properties file not specified at command line");
return;
} else {
try {
myJDBCTutorialUtilities = new JDBCTutorialUtilities(args[0]);
} catch (Exception e) {
System.err.println("Problem reading properties file " + args[0]);
e.printStackTrace();
return;
}
}
try {
myConnection = myJDBCTutorialUtilities.getConnection();
// Java DB does not have an SQL create database command; it does require createDatabase
// JDBCTutorialUtilities.createDatabase(myConnection,
// myJDBCTutorialUtilities.dbName,
// myJDBCTutorialUtilities.dbms);
//
// JDBCTutorialUtilities.initializeTables(myConnection,
// myJDBCTutorialUtilities.dbName,
// myJDBCTutorialUtilities.dbms);
CoffeesTable myCoffeeTable =
new CoffeesTable(
myConnection, myJDBCTutorialUtilities.dbName, myJDBCTutorialUtilities.dbms);
System.out.println("\nContents of COFFEES table:");
CoffeesTable.viewTable(myConnection);
System.out.println("\nRaising coffee prices by 25%");
myCoffeeTable.modifyPrices(1.25f);
System.out.println("\nInserting a new row:");
myCoffeeTable.insertRow("Kona", 150, 10.99f, 0, 0);
CoffeesTable.viewTable(myConnection);
System.out.println("\nUpdating sales of coffee per week:");
HashMap<String, Integer> salesCoffeeWeek = new HashMap<String, Integer>();
salesCoffeeWeek.put("Colombian", 175);
salesCoffeeWeek.put("French_Roast", 150);
salesCoffeeWeek.put("Espresso", 60);
salesCoffeeWeek.put("Colombian_Decaf", 155);
salesCoffeeWeek.put("French_Roast_Decaf", 90);
myCoffeeTable.updateCoffeeSales(salesCoffeeWeek);
CoffeesTable.viewTable(myConnection);
System.out.println("\nModifying prices by percentage");
myCoffeeTable.modifyPricesByPercentage("Colombian", 0.10f, 9.00f);
System.out.println("\nCOFFEES table after modifying prices by percentage:");
myCoffeeTable.viewTable(myConnection);
System.out.println("\nPerforming batch updates; adding new coffees");
myCoffeeTable.batchUpdate();
myCoffeeTable.viewTable(myConnection);
// System.out.println("\nDropping Coffee and Suplliers table:");
//
// myCoffeeTable.dropTable();
// mySuppliersTable.dropTable();
} catch (SQLException e) {
JDBCTutorialUtilities.printSQLException(e);
} finally {
JDBCTutorialUtilities.closeConnection(myConnection);
}
}
