DAT
Class ListLinked

java.lang.Object
  |
  +--DAT.ListLinked

All Implemented Interfaces:

List

public synchronized class ListLinked

extends java.lang.Object

implements List

Constructor Summary

ListLinked()

Method Summary

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

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ListLinked

public ListLinked()

Method Detail

isEmpty

public boolean isEmpty()

Description copied from interface: List

check if the list is empty

Specified by:

isEmpty in interface List

Returns:

true if the list is empty, false otherwise

isBeforeFirst

public boolean isBeforeFirst(WindowLinked)

Description copied from interface: List

check if the window is over the before-first position

Specified by:

isBeforeFirst in interface List

Parameters:

- the window

Returns:

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

isAfterLast

public boolean isAfterLast(WindowLinked)

Description copied from interface: List

check if the window is over the after-last position

Specified by:

isAfterLast in interface List

Parameters:

- the window

Returns:

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

beforeFirst

public void beforeFirst(WindowLinked)

Description copied from interface: List

put a window over before-first position

Specified by:

beforeFirst in interface List

Parameters:

- the window to place

afterLast

public void afterLast(WindowLinked)

Description copied from interface: List

put a window over after-last position

Specified by:

afterLast in interface List

Parameters:

- the window to place

next

public void next(WindowLinked)
          throws OutOfBounds

Description copied from interface: List

move a window to the next position

Specified by:

next in interface List

Parameters:

- the window

Throws:

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

previous

public void previous(WindowLinked)
              throws OutOfBounds

Description copied from interface: List

move a window to the previous position

Specified by:

previous in interface List

Parameters:

- the window

Throws:

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

insertAfter

public void insertAfter(java.lang.Object,
                        WindowLinked)
                 throws OutOfBounds

Description copied from interface: List

insert an item after a window

Specified by:

insertAfter in interface List

Parameters:

- the item to insert

- the window

Throws:

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

insertBefore

public void insertBefore(java.lang.Object,
                         WindowLinked)
                  throws OutOfBounds

Description copied from interface: List

insert an item before a window

Specified by:

insertBefore in interface List

Parameters:

- the item to insert

- the window

Throws:

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

examine

public java.lang.Object examine(WindowLinked)
                         throws OutOfBounds

Description copied from interface: List

examine the object under a window

Specified by:

examine in interface List

Parameters:

- the window

Returns:

the object under the window

Throws:

OutOfBounds - if the window is outside the list

replace

public java.lang.Object replace(java.lang.Object,
                                WindowLinked)
                         throws OutOfBounds

Description copied from interface: List

replace the object under a window

Specified by:

replace in interface List

Parameters:

- the new object

- the window

Returns:

the object previously under the window

Throws:

OutOfBounds - if the window is outside the list

delete

public java.lang.Object delete(WindowLinked)
                        throws OutOfBounds

Description copied from interface: List

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

Specified by:

delete in interface List

Parameters:

- the window

Returns:

the object previously under the window

Throws:

OutOfBounds - if the window is outside the list