Package com.j_spaces.core.cache.fifoGroup

Class ExtendedIndexFifoGroupsIterator<V>

java.lang.Object

com.j_spaces.core.cache.fifoGroup.ExtendedIndexFifoGroupsIterator<V>

All Implemented Interfaces:

IFifoGroupIterator<V>, IExtendedIndexIterator<V>, IObjectsList, IScanListIterator<V>

Direct Known Subclasses:

ExtendedCompoundIndexFifoGroupsIterator

public class ExtendedIndexFifoGroupsIterator<V>
extends Object
implements IFifoGroupIterator<V>, IExtendedIndexIterator<V>

Constructor Summary

Constructors

Constructor	Description
ExtendedIndexFifoGroupsIterator(NavigableMap mapToScan, TypeDataIndex idx)

Method Summary

Modifier and Type	Method	Description
protected void	finalize()	called by GC to free all acquired resources; For protection only - we shouldn't rely on the JVM.
protected Object	getActualGroupValue(Map.Entry<Object,IStoredList<V>> mapEntry)
int	getAlreadyMatchedFixedPropertyIndexPos()	if the scan is on a property index, currently supported for extended index
boolean	hasNext()
boolean	isAlreadyMatched()	is the entry returned already matched against the searching template currently is true if the underlying scan made by CacheManager::EntriesIter
boolean	isIterator()	is the list an iterator or basic list ?
boolean	isMultiValueIterator()
V	next()
void	nextGroup()	move to a new SL that represents a new group of same-values- used in fifo group scanning
void	release()	Release of this SLHolder resource
void	releaseScan()	release SLHolder for this scan
void	remove()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.j_spaces.kernel.list.IScanListIterator

createCopyForAlternatingThread, getAlreadyMatchedIndexPath, hasSize, isExtensionIndex, isMultiListsIterator, noRematchNeeded, size

Constructor Details

ExtendedIndexFifoGroupsIterator

public ExtendedIndexFifoGroupsIterator(NavigableMap mapToScan,
 TypeDataIndex idx)

Method Details

nextGroup

public void nextGroup()

move to a new SL that represents a new group of same-values- used in fifo group scanning

Specified by:

nextGroup in interface IFifoGroupIterator<V>

hasNext

public boolean hasNext()

Specified by:

hasNext in interface IScanListIterator<V>

next

public V next()

Specified by:

next in interface IScanListIterator<V>

release

public void release()

Release of this SLHolder resource

See Also:

• Resource.release()

finalize

protected void finalize()

called by GC to free all acquired resources; For protection only - we shouldn't rely on the JVM.

Overrides:

finalize in class Object

See Also:

• which should be called when scan has ended prematurely.

releaseScan

public void releaseScan()

release SLHolder for this scan

Specified by:

releaseScan in interface IScanListIterator<V>

getAlreadyMatchedFixedPropertyIndexPos

public int getAlreadyMatchedFixedPropertyIndexPos()

Description copied from interface: IScanListIterator

if the scan is on a property index, currently supported for extended index

Specified by:

getAlreadyMatchedFixedPropertyIndexPos in interface IScanListIterator<V>

isMultiValueIterator

public boolean isMultiValueIterator()

remove

public void remove()

isAlreadyMatched

public boolean isAlreadyMatched()

Description copied from interface: IScanListIterator

is the entry returned already matched against the searching template currently is true if the underlying scan made by CacheManager::EntriesIter

Specified by:

isAlreadyMatched in interface IScanListIterator<V>

isIterator

public boolean isIterator()

Description copied from interface: IObjectsList

is the list an iterator or basic list ?

Specified by:

isIterator in interface IObjectsList

getActualGroupValue

protected Object getActualGroupValue(Map.Entry<Object,IStoredList<V>> mapEntry)