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java.lang.Objectreservation.system.functions.Functions
reservation.system.functions.Cancel
This class hold Cancel structure. This object allows to cancel a reservation for different person or for a whole of person by calling the methods cancel
in FlightSystem
.
Field Summary |
Fields inherited from class reservation.system.functions.Functions |
arg |
Fields inherited from interface reservation.Action |
fs, NUMBER_ARGUMENT_MAX |
Constructor Summary | |
Cancel()
|
Method Summary | |
(package private) void |
_check(java.lang.String[] arg)
Verify that at least one flight is created and also one reservation has been made. |
java.lang.String |
execute()
Cancel several person or a whole of person if the command cancel and their arguments are correct. |
static java.lang.String |
usage()
Display the usage for the command cancel . |
Methods inherited from class reservation.system.functions.Functions |
ArgumentIsValid, CheckBookingListNotEmpty, CheckFlightListNotEmpty, checkInteger, execute |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public Cancel()
Method Detail |
public java.lang.String execute() throws java.lang.Exception
cancel
and their arguments are correct.
execute
in class Functions
java.lang.Exception
- if a person name is duplicated or if the person are not canceled.void _check(java.lang.String[] arg) throws java.lang.Exception
- Arguments not null -bookingNumber
belongs to [1fs.getBookingNumberMax
]
_check
in class Functions
java.lang.Exception
- if the invariants is violatedpublic static java.lang.String usage()
cancel
.
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