Class SCOCollectionIterator<E>

java.lang.Object

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

Type Parameters:

E - Element type for the collection

All Implemented Interfaces:

Iterator<E>

public class SCOCollectionIterator<E>
extends Object
implements Iterator<E>

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

Field Summary

Fields

Modifier and Type	Field	Description
private final Iterator<E>	iter
private E	last
private Collection<E>	ownerSCO

Constructor Summary

Constructors

Constructor	Description
SCOCollectionIterator(Collection<E> sco, DNStateManager sm, Collection<E> theDelegate, CollectionStore<E> backingStore, boolean useDelegate)	Constructor taking the delegate or backing store.

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()
E	next()
void	remove()

Methods inherited from class Object

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

Methods inherited from interface Iterator

forEachRemaining

Field Details

iter

private final Iterator<E> iter

last

private E last

ownerSCO

private Collection<E> ownerSCO

Constructor Details

SCOCollectionIterator

public SCOCollectionIterator(Collection<E> sco,
 DNStateManager sm,
 Collection<E> theDelegate,
 CollectionStore<E> backingStore,
 boolean useDelegate)

Constructor taking the delegate or backing store.

Parameters:

sco - The owner sco

sm - StateManager of SCO Collection to iterate

theDelegate - The delegate collection

backingStore - The backing store (connected to the DB)

useDelegate - Whether to use the delegate

Method Details

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<E>

next

public E next()

Specified by:

next in interface Iterator<E>

remove

public void remove()

Specified by:

remove in interface Iterator<E>