org.datanucleus.store.mapped.scostore
Class ListStoreIterator

java.lang.Object
  org.datanucleus.store.mapped.scostore.ListStoreIterator

All Implemented Interfaces:

java.util.Iterator, java.util.ListIterator

public abstract class ListStoreIterator
extends java.lang.Object
implements java.util.ListIterator

Abstract iterator for presenting the results for a list store.

Constructor Summary

ListStoreIterator(StateManager sm, java.lang.Object resultSet, ResultObjectFactory rof, AbstractListStore als)
Constructor

Method Summary

void	add(java.lang.Object o)
protected abstract AbstractMemberMetaData	getOwnerMemberMetaData(DatastoreContainerObject containerTable) Method to return the owner member metadata for the supplied table
boolean	hasNext()
boolean	hasPrevious()
java.lang.Object	next()
protected abstract boolean	next(java.lang.Object resultSet) Method to move to the next row in the results.
int	nextIndex()
java.lang.Object	previous()
int	previousIndex()
void	remove()
void	set(java.lang.Object o)

Methods inherited from class java.lang.Object

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

Constructor Detail

ListStoreIterator

public ListStoreIterator(StateManager sm,
                         java.lang.Object resultSet,
                         ResultObjectFactory rof,
                         AbstractListStore als)
                  throws MappedDatastoreException

Constructor

Parameters:

sm - the StateManager

resultSet - the ResultSet

rof - the Query.ResultObjectFactory

Throws:

SQLException

MappedDatastoreException

Method Detail

add

public void add(java.lang.Object o)

Specified by:

add in interface java.util.ListIterator

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator

Specified by:

hasNext in interface java.util.ListIterator

hasPrevious

public boolean hasPrevious()

Specified by:

hasPrevious in interface java.util.ListIterator

next

public java.lang.Object next()

Specified by:

next in interface java.util.Iterator

Specified by:

next in interface java.util.ListIterator

nextIndex

public int nextIndex()

Specified by:

nextIndex in interface java.util.ListIterator

previous

public java.lang.Object previous()

Specified by:

previous in interface java.util.ListIterator

previousIndex

public int previousIndex()

Specified by:

previousIndex in interface java.util.ListIterator

remove

public void remove()

Specified by:

remove in interface java.util.Iterator

Specified by:

remove in interface java.util.ListIterator

set

public void set(java.lang.Object o)

Specified by:

set in interface java.util.ListIterator

next

protected abstract boolean next(java.lang.Object resultSet)
                         throws MappedDatastoreException

Method to move to the next row in the results.

Parameters:

resultSet - The result set

Returns:

Whether there is a next row

Throws:

MappedDatastoreException

getOwnerMemberMetaData

protected abstract AbstractMemberMetaData getOwnerMemberMetaData(DatastoreContainerObject containerTable)

Method to return the owner member metadata for the supplied table

Parameters:

containerTable - The table for the list

Returns:

the metadata for the owner member