CITS2200
Interface List

All Known Implementing Classes:

ListLinked

public interface List

Interface for List ADTs that use a window for Links

See Also:

WindowLinked

Method Summary

void	afterLast(WindowLinked w) put a window over after-last position
void	beforeFirst(WindowLinked w) put a window over before-first position
Object	delete(WindowLinked w) delete and return the object under a window, and place window over the next item
Object	examine(WindowLinked w) examine the object under a window
void	insertAfter(Object e, WindowLinked w) insert an item after a window
void	insertBefore(Object e, WindowLinked w) insert an item before a window
boolean	isAfterLast(WindowLinked w) check if the window is over the after-last position
boolean	isBeforeFirst(WindowLinked w) check if the window is over the before-first position
boolean	isEmpty() check if the list is empty
void	next(WindowLinked w) move a window to the next position
void	previous(WindowLinked w) move a window to the previous position
Object	replace(Object e, WindowLinked w) replace the object under a window

Method Detail

isEmpty

boolean isEmpty()

check if the list is empty

Returns:

true if the list is empty, false otherwise

isBeforeFirst

boolean isBeforeFirst(WindowLinked w)

check if the window is over the before-first position

Parameters:

w - the window

Returns:

true if the window is over before-first, false otherwise

isAfterLast

boolean isAfterLast(WindowLinked w)

check if the window is over the after-last position

Parameters:

w - the window

Returns:

true if the window is over after-last, false otherwise

beforeFirst

void beforeFirst(WindowLinked w)

put a window over before-first position

Parameters:

w - the window to place

afterLast

void afterLast(WindowLinked w)

put a window over after-last position

Parameters:

w - the window to place

next

void next(WindowLinked w)
          throws OutOfBounds

move a window to the next position

Parameters:

w - the window

Throws:

OutOfBounds - if the window is past the end of the list

previous

void previous(WindowLinked w)
              throws OutOfBounds

move a window to the previous position

Parameters:

w - the window

Throws:

OutOfBounds - if the window is before the start of the list

insertAfter

void insertAfter(Object e,
                 WindowLinked w)
                 throws OutOfBounds

insert an item after a window

Parameters:

e - the item to insert

w - the window

Throws:

OutOfBounds - if the window is past the end of the list

insertBefore

void insertBefore(Object e,
                  WindowLinked w)
                  throws OutOfBounds

insert an item before a window

Parameters:

e - the item to insert

w - the window

Throws:

OutOfBounds - if the window is before the start of the list

examine

Object examine(WindowLinked w)
               throws OutOfBounds

examine the object under a window

Parameters:

w - the window

Returns:

the object under the window

Throws:

OutOfBounds - if the window is outside the list

replace

Object replace(Object e,
               WindowLinked w)
               throws OutOfBounds

replace the object under a window

Parameters:

e - the new object

w - the window

Returns:

the object previously under the window

Throws:

OutOfBounds - if the window is outside the list

delete

Object delete(WindowLinked w)
              throws OutOfBounds

delete and return the object under a window, and place window over the next item

Parameters:

w - the window

Returns:

the object previously under the window

Throws:

OutOfBounds - if the window is outside the list