Java Reference
In-Depth Information
if
(command.equals(Const.GET_NAME)){
String result
#
market.getName(
Long.parseLong(param));
if
(result
##
null
)
response
#
Const.ERROR
!
" Item not found";
else
response
#
Const.OK
!
" "
!
result;
}
else if
(command.equals(Const.GET_PRICE)){
double
result
#
market.getPrice(
Long.parseLong(param));
if
(result < 0 )
response
#
Const.ERROR
!
" Item not found";
else
response
#
Const.OK
!
" "
!
result;
}
else if
(command.equals(Const.GET_CUSTOMER)){
customer
#
Long.parseLong(param);
String result
#
market.getCustomer(customer);
if
(result
##
null
)
response
#
Const.ERROR
!
" Customer not found";
else
response
#
Const.OK
!
" "
!
result;
}
else if
(command.equals(Const.AUTHENTICATE)){
String password
#
parser.nextToken();
employee
#
Long.parseLong(param);
String result
#
market.
authenticate(employee,password);
if
(result
##
null
)
response
#
Const.ERROR
!
" Wrong employee or password";
else
response
#
Const.OK
!
" "
!
result;
}
else if
(command.equals(Const.BUY)){
String quantity
#
parser.nextToken();
if
(transaction
##
0)
transaction
#
market.
startTransaction(customer,employee);
market.buy(Long.parseLong(param),
Long.parseLong(quantity),transaction);
response
#
Const.OK;
}
else if
(command.equals(Const.END)){
market.endTransaction(transaction);
transaction
#
0;
response
#
Const.OK;
}
else if
(command.equals(Const.ABORT)){
market.abortTransaction(transaction);
transaction
#
0;
response
#
Const.OK;
