protected static class AbstractLinkedList.LinkedListIterator extends Object implements ListIterator, OrderedIterator
Modifier and Type | Field and Description |
---|---|
protected AbstractLinkedList.Node |
current
The last node that was returned by
next() or previous() . |
protected int |
expectedModCount
The modification count that the list is expected to have.
|
protected AbstractLinkedList.Node |
next
The node that will be returned by
next() . |
protected int |
nextIndex
The index of
next . |
protected AbstractLinkedList |
parent
The parent list
|
Modifier | Constructor and Description |
---|---|
protected |
AbstractLinkedList.LinkedListIterator(AbstractLinkedList parent,
int fromIndex)
Create a ListIterator for a list.
|
Modifier and Type | Method and Description |
---|---|
void |
add(Object obj) |
protected void |
checkModCount()
Checks the modification count of the list is the value that this
object expects.
|
protected AbstractLinkedList.Node |
getLastNodeReturned()
Gets the last node returned.
|
boolean |
hasNext() |
boolean |
hasPrevious()
Checks to see if there is a previous element that can be iterated to.
|
Object |
next() |
int |
nextIndex() |
Object |
previous()
Gets the previous element from the collection.
|
int |
previousIndex() |
void |
remove() |
void |
set(Object obj) |
protected final AbstractLinkedList parent
protected AbstractLinkedList.Node next
next()
. If this is equal
to AbstractLinkedList.header
then there are no more values to return.protected int nextIndex
next
.protected AbstractLinkedList.Node current
next()
or previous()
. Set to null
if next()
or previous()
haven't been called, or if the node has been removed
with remove()
or a new node added with add(Object)
.
Should be accessed through getLastNodeReturned()
to enforce
this behaviour.protected int expectedModCount
ConcurrentModificationException
may be thrown by
the operations.protected AbstractLinkedList.LinkedListIterator(AbstractLinkedList parent, int fromIndex) throws IndexOutOfBoundsException
parent
- the parent listfromIndex
- the index to start atIndexOutOfBoundsException
protected void checkModCount()
ConcurrentModificationException
- If the list's modification
count isn't the value that was expected.protected AbstractLinkedList.Node getLastNodeReturned() throws IllegalStateException
IllegalStateException
- If next()
or
previous()
haven't been called, or if the node has been removed
with remove()
or a new node added with add(Object)
.public boolean hasNext()
hasNext
in interface Iterator
hasNext
in interface ListIterator
public Object next()
next
in interface Iterator
next
in interface ListIterator
public boolean hasPrevious()
OrderedIterator
hasPrevious
in interface ListIterator
hasPrevious
in interface OrderedIterator
true
if the iterator has a previous elementpublic Object previous()
OrderedIterator
previous
in interface ListIterator
previous
in interface OrderedIterator
public int nextIndex()
nextIndex
in interface ListIterator
public int previousIndex()
previousIndex
in interface ListIterator
public void remove()
remove
in interface Iterator
remove
in interface ListIterator
public void set(Object obj)
set
in interface ListIterator
public void add(Object obj)
add
in interface ListIterator
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