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ojb.odmg.collections
Class DListIterator  

java.lang.Object
  ojb.odmg.collections.DListIterator

All Implemented Interfaces:

java.util.Iterator, java.util.ListIterator

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class DListIterator

extends java.lang.Object

implements java.util.ListIterator

Insert the type's description here. Creation date: (09.02.2001 15:49:39)

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Field Summary
private  DListEntry	currentEntry
private  DListImpl	dlist
protected  java.util.ListIterator	iter

 

Constructor Summary

DListIterator(DListImpl list)           DListIterator constructor comment.

DListIterator(DListImpl list, int index)           DListIterator constructor comment.

 

Method Summary
void	add(java.lang.Object o)           Inserts the specified element into the list (optional operation).
boolean	hasNext()           Returns true if the iteration has more elements.
boolean	hasPrevious()           Returns true if this list iterator has more elements when traversing the list in the reverse direction.
java.lang.Object	next()           Returns the next element in the interation.
int	nextIndex()           Returns the index of the element that would be returned by a subsequent call to next.
java.lang.Object	previous()           Returns the previous element in the list.
int	previousIndex()           Returns the index of the element that would be returned by a subsequent call to previous.
void	remove()           Removes from the underlying collection the last element returned by the iterator (optional operation).
void	set(java.lang.Object o)           Replaces the last element returned by next or previous with the specified element (optional operation).

 

Methods inherited from class java.lang.Object

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

 

Field Detail

iter

protected java.util.ListIterator iter

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dlist

private DListImpl dlist

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currentEntry

private DListEntry currentEntry

Constructor Detail

DListIterator

public DListIterator(DListImpl list)

DListIterator constructor comment.

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DListIterator

public DListIterator(DListImpl list,
                     int index)

DListIterator constructor comment.

Method Detail

add

public void add(java.lang.Object o)

Inserts the specified element into the list (optional operation). The element is inserted immediately before the next element that would be returned by next, if any, and after the next element that would be returned by previous, if any. (If the list contains no elements, the new element becomes the sole element on the list.) The new element is inserted before the implicit cursor: a subsequent call to next would be unaffected, and a subsequent call to previous would return the new element. (This call increases by one the value that would be returned by a call to nextIndex or previousIndex.)

Specified by:

add in interface java.util.ListIterator

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hasNext

public boolean hasNext()

Returns true if the iteration has more elements. (In other words, returns true if next would return an element rather than throwing an exception.)

Specified by:

hasNext in interface java.util.ListIterator

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hasPrevious

public boolean hasPrevious()

Returns true if this list iterator has more elements when traversing the list in the reverse direction. (In other words, returns true if previous would return an element rather than throwing an exception.)

Specified by:

hasPrevious in interface java.util.ListIterator

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next

public java.lang.Object next()

Returns the next element in the interation.

Specified by:

next in interface java.util.ListIterator

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nextIndex

public int nextIndex()

Returns the index of the element that would be returned by a subsequent call to next. (Returns list size if the list iterator is at the end of the list.)

Specified by:

nextIndex in interface java.util.ListIterator

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previous

public java.lang.Object previous()

Returns the previous element in the list. This method may be called repeatedly to iterate through the list backwards, or intermixed with calls to next to go back and forth. (Note that alternating calls to next and previous will return the same element repeatedly.)

Specified by:

previous in interface java.util.ListIterator

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previousIndex

public int previousIndex()

Returns the index of the element that would be returned by a subsequent call to previous. (Returns -1 if the list iterator is at the beginning of the list.)

Specified by:

previousIndex in interface java.util.ListIterator

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remove

public void remove()

Removes from the underlying collection the last element returned by the iterator (optional operation). This method can be called only once per call to next. The behavior of an iterator is unspecified if the underlying collection is modified while the iteration is in progress in any way other than by calling this method.

Specified by:

remove in interface java.util.ListIterator

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set

public void set(java.lang.Object o)

Replaces the last element returned by next or previous with the specified element (optional operation). This call can be made only if neither ListIterator.remove nor ListIterator.add have been called after the last call to next or previous.

Specified by:

set in interface java.util.ListIterator

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