@Override
public int addExpense(Expense expense) throws SQLException {
insertStatement = connection.prepareStatement(INSERT);
insertStatement.clearParameters();
insertStatement.setInt(1, expense.getNum());
insertStatement.setDate(2, expense.getPaydate());
insertStatement.setInt(3, expense.getReceiver());
insertStatement.setInt(4, expense.getValue());
int result = insertStatement.executeUpdate();
return result;
}
@Override
public int updateExpense(int num, Expense expense) throws SQLException {
updateByNumStatement = connection.prepareStatement(UPDATE_BY_NUM);
updateByNumStatement.clearParameters();
updateByNumStatement.setDate(1, expense.getPaydate());
updateByNumStatement.setInt(2, expense.getReceiver());
updateByNumStatement.setInt(3, expense.getValue());
updateByNumStatement.setInt(4, num);
int result = updateByNumStatement.executeUpdate();
return result;
}
@Override
public ArrayList<Expense> getExpenses() throws SQLException {
selectAllStatement = connection.createStatement();
ArrayList<Expense> list = new ArrayList<Expense>();
ResultSet result = selectAllStatement.executeQuery(SELECT_ALL);
while (result.next()) {
Expense expense = new Expense();
expense.setNum(result.getInt("num"));
expense.setPaydate(result.getDate("paydate"));
expense.setReceiver(result.getInt("receiver"));
expense.setValue(result.getInt("value"));
list.add(expense);
}
return list;
}