org.datanucleus.store.types

Class SCOListIterator<E>

java.lang.Object

org.datanucleus.store.types.SCOListIterator<E>

Type Parameters:

E - Type of element in the List

All Implemented Interfaces:

Iterator<E>, ListIterator<E>

public class SCOListIterator<E>
extends Object
implements ListIterator<E>

An iterator for a SCO List object. Operates from either a delegate or a backing store, and provides iteration through the objects.

Constructor Summary

Constructors

Constructor and Description
SCOListIterator(List<E> sco, ObjectProvider sm, List<E> theDelegate, ListStore<E> theStore, boolean useDelegate, int startIndex) Constructor taking the delegate or backing store, and any start index.

Method Summary

Modifier and Type	Method and Description
void	add(E o)
boolean	hasNext()
boolean	hasPrevious()
E	next()
int	nextIndex()
E	previous()
int	previousIndex()
void	remove()
void	set(E o)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

SCOListIterator

public SCOListIterator(List<E> sco,
                       ObjectProvider sm,
                       List<E> theDelegate,
                       ListStore<E> theStore,
                       boolean useDelegate,
                       int startIndex)

Constructor taking the delegate or backing store, and any start index.

Parameters:

sco - Owner SCO

sm - ObjectProvider of SCO List to iterate

theDelegate - The delegate list

theStore - The backing store (connected to the DB)

useDelegate - whether to use a delegate

startIndex - The start index position (any value below 0 will mean start at index 0).

Method Detail

add

public void add(E o)

Specified by:

add in interface ListIterator<E>

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<E>

Specified by:

hasNext in interface ListIterator<E>

hasPrevious

public boolean hasPrevious()

Specified by:

hasPrevious in interface ListIterator<E>

next

public E next()

Specified by:

next in interface Iterator<E>

Specified by:

next in interface ListIterator<E>

nextIndex

public int nextIndex()

Specified by:

nextIndex in interface ListIterator<E>

previous

public E previous()

Specified by:

previous in interface ListIterator<E>

previousIndex

public int previousIndex()

Specified by:

previousIndex in interface ListIterator<E>

remove

public void remove()

Specified by:

remove in interface Iterator<E>

Specified by:

remove in interface ListIterator<E>

set

public void set(E o)

Specified by:

set in interface ListIterator<E>