The above screen is used to browse the products table it uses the ProductDAO.java file, it calls the getProductByCriteria() function which should accept a parameter, this parameter should be the criteria that would be built from the two combo boxes and the text box, and queries the products table. The getProductByCriteria() function should return a list of Product objects that matches the criteria specified. Modify the function so that it accepts a string paramater consisting of the fields from the combo boxes and a price number from the text box separated by commas and use this string to modify the query in the function to return the desired result set. public List getProductByCriteria() //MAKE MODIFICATIONS TO THIS FUNCTION SO IT CAN TAKE PARAMETER(S) { if (openConnection()) {
The above screen is used to browse the products table it uses the ProductDAO.java file, it calls the getProductByCriteria() function which should accept a parameter, this parameter should be the criteria that would be built from the two combo boxes and the text box, and queries the products table. The getProductByCriteria() function should return a list of Product objects that matches the criteria specified. Modify the function so that it accepts a string paramater consisting of the fields from the combo boxes and a price number from the text box separated by commas and use this string to modify the query in the function to return the desired result set. public List getProductByCriteria() //MAKE MODIFICATIONS TO THIS FUNCTION SO IT CAN TAKE PARAMETER(S) { if (openConnection()) {
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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The above screen is used to browse the products table it uses the ProductDAO.java file, it calls the getProductByCriteria() function which should accept a parameter, this parameter should be the criteria that would be built from the two combo boxes and the text box, and queries the products table.
The getProductByCriteria() function should return a list of Product objects that matches the criteria specified.
The getProductByCriteria() function should return a list of Product objects that matches the criteria specified.
Modify the function so that it accepts a string paramater consisting of the fields from the combo boxes and a price number from the text box separated by commas and use this string to modify the query in the function to return the desired result set.
public List<Product> getProductByCriteria() //MAKE MODIFICATIONS TO THIS FUNCTION SO IT CAN TAKE PARAMETER(S)
{
if (openConnection())
{
try{
List<Product> items = new ArrayList <> ();
Product temp = null;
String query = "SELECT * FROM products";
stmt = conn.prepareStatement(query);
ResultSet rs = stmt.executeQuery();
while (rs.next()) // iterate through the java resultset
{
temp = new Product(rs.getInt("number"),rs.getString(2),rs.getString("prodname"),rs.getFloat("price"),rs.getInt("onhand"));
items.add(temp);
}
stmt.close();
closeConnection();
return items;
}
catch(SQLException ex){
System.out.println(ex.getMessage());
}
}
closeConnection();
return null;
}
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