net.sf.joafip.store.entity.objectio

Class ObjectStateMap

java.lang.Object

net.sf.joafip.store.entity.objectio.ObjectStateMap

All Implemented Interfaces:

Runnable

@NotStorableClass
public class ObjectStateMap
extends Object
implements Runnable

Maintains link between object in memory and their persistence information
Also map object and its persistence information by data record identifier

Author:

luc peuvrier

Constructor Summary

Constructors

Constructor and Description
ObjectStateMap() empty object state informations at construction

Method Summary

Methods

Modifier and Type	Method and Description
void	clear() clear all informations
void	clearObjectAndPersistInfoByDataRecordIdentifier(DataRecordIdentifier dataRecordIdentifier)
void	close()
ObjectAndPersistInfo	createObjectAndPersistInfoOfObject(Object object, boolean proxyInstance, ClassInfo objectClassInfo) create object persistence information, for an object ( no data record associated to the object)
ObjectAndPersistInfo	createSubstitutedObjectAndPersistInfoOfObject(Object object, ClassInfo objectClassInfo, ObjectAndPersistInfo substituteObjectAndPersistInfo)
int	getNumberOfObjectState()
int	getNumberOfReferenced()
int	getNumberOfWeakReference()
ObjectAndPersistInfo	getObjectAndPersistInfoByIdentifier(DataRecordIdentifier identifier) to obtains object and persistence information for data record by data record identifier
ObjectAndPersistInfo	getObjectAndPersistInfoOfObject(Object object) get existing, or create, object persistence information, for an object.
List<ObjectAndPersistInfo>	getObjectAndPersistInfoOfObjectFromQueue()
ObjectAndPersistInfo	getObjectAndPersistInfoOfObjectFromQueue(Object object)
Collection<ObjectAndPersistInfo>	getObjectHavingStateSet()
ObjectAndPersistInfo	getObjectPersistenceStateByObjectIdentityKey(IObjectIdentityKey objectIdentityKey)
void	listenStateMapClean(IObjectStateMapCLeanListener listener)
Set<ObjectAndPersistInfo>	mostAccessedObject(int quota)
boolean	objectHasPersistenceState(ObjectAndPersistInfo objectAndPersistInfo) to know if object have persistence state associated to it
void	objectIsAccessed(ObjectAndPersistInfo objectAndPersistInfoOfObject) object is accessed
void	putToObjectAndPersistInfoByDataRecordIdentifier(ObjectAndPersistInfo objectAndPersistInfo)
void	run()
void	setExclusiveAccessSession(boolean exclusiveAccessSession)
void	setTrackingOfAccessedObjectEnabled(boolean trackingOfAccessedObjectEnabled)
void	unWeakReferenceOnObject(ObjectAndPersistInfo toUnWeak)
void	weakReferenceOnObject() weak reference on object

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectStateMap

public ObjectStateMap()

empty object state informations at construction

Method Detail

close

public void close()

setTrackingOfAccessedObjectEnabled

public void setTrackingOfAccessedObjectEnabled(boolean trackingOfAccessedObjectEnabled)

setExclusiveAccessSession

public void setExclusiveAccessSession(boolean exclusiveAccessSession)

getObjectPersistenceStateByObjectIdentityKey

public ObjectAndPersistInfo getObjectPersistenceStateByObjectIdentityKey(IObjectIdentityKey objectIdentityKey)

clearObjectAndPersistInfoByDataRecordIdentifier

public void clearObjectAndPersistInfoByDataRecordIdentifier(DataRecordIdentifier dataRecordIdentifier)

putToObjectAndPersistInfoByDataRecordIdentifier

public void putToObjectAndPersistInfoByDataRecordIdentifier(ObjectAndPersistInfo objectAndPersistInfo)

getObjectAndPersistInfoByIdentifier

public ObjectAndPersistInfo getObjectAndPersistInfoByIdentifier(DataRecordIdentifier identifier)

to obtains object and persistence information for data record by data record identifier

Parameters:

identifier - data record identifier

Returns:

object and persistence information for the data record identifier, null if not defined or not exist any more

getObjectAndPersistInfoOfObject

public ObjectAndPersistInfo getObjectAndPersistInfoOfObject(Object object)

get existing, or create, object persistence information, for an object.

Parameters:

object - the object which for object and its persistence information is ask for

Returns:

get or created object and its persistence information, null if does not exist

createObjectAndPersistInfoOfObject

public ObjectAndPersistInfo createObjectAndPersistInfoOfObject(Object object,
                                                      boolean proxyInstance,
                                                      ClassInfo objectClassInfo)
                                                        throws ObjectIOException

create object persistence information, for an object ( no data record associated to the object)

Parameters:

object - the object which for object and its persistence information is to create

proxyInstance - true if object is a proxy instance

objectClassInfo - the class information of the object

Returns:

created object and its persistence information

Throws:

ObjectIOException

createSubstitutedObjectAndPersistInfoOfObject

public ObjectAndPersistInfo createSubstitutedObjectAndPersistInfoOfObject(Object object,
                                                                 ClassInfo objectClassInfo,
                                                                 ObjectAndPersistInfo substituteObjectAndPersistInfo)
                                                                   throws ObjectIOException

Throws:

ObjectIOException

objectHasPersistenceState

public boolean objectHasPersistenceState(ObjectAndPersistInfo objectAndPersistInfo)

to know if object have persistence state associated to it

Parameters:

objectAndPersistInfo - object info which for persistence state looking for

Returns:

true if object have persistence state associated to it

clear

public void clear()
           throws ObjectIOException

clear all informations

Throws:

ObjectIOException

weakReferenceOnObject

public void weakReferenceOnObject()
                           throws ObjectIOException

weak reference on object

Throws:

ObjectIOException

unWeakReferenceOnObject

public void unWeakReferenceOnObject(ObjectAndPersistInfo toUnWeak)

getNumberOfObjectState

public int getNumberOfObjectState()

Returns:

number of object in memory with knew persistent state

getNumberOfWeakReference

public int getNumberOfWeakReference()

getNumberOfReferenced

public int getNumberOfReferenced()

getObjectHavingStateSet

public Collection<ObjectAndPersistInfo> getObjectHavingStateSet()

objectIsAccessed

public void objectIsAccessed(ObjectAndPersistInfo objectAndPersistInfoOfObject)

object is accessed

Parameters:

objectAndPersistInfoOfObject -

Throws:

ObjectIOException

mostAccessedObject

public Set<ObjectAndPersistInfo> mostAccessedObject(int quota)

Parameters:

quota -

Returns:

the most accessed object

getObjectAndPersistInfoOfObjectFromQueue

@Fortest
public List<ObjectAndPersistInfo> getObjectAndPersistInfoOfObjectFromQueue()

run

public void run()

Specified by:

run in interface Runnable

getObjectAndPersistInfoOfObjectFromQueue

@Fortest
public ObjectAndPersistInfo getObjectAndPersistInfoOfObjectFromQueue(Object object)

listenStateMapClean

@Fortest
public void listenStateMapClean(IObjectStateMapCLeanListener listener)