org.qi4j.entitystore.prefs
Class PreferencesEntityStoreMixin

java.lang.Object
  org.qi4j.entitystore.prefs.PreferencesEntityStoreMixin

All Implemented Interfaces:

ServiceActivation, EntityStore, EntityStoreSPI

public class PreferencesEntityStoreMixin
extends java.lang.Object
implements ServiceActivation, EntityStore, EntityStoreSPI

Implementation of EntityStore that is backed by the Preferences API.

@see Preferences

ManyAssociation is stored as string, one identity string per line

Nested ValuesComposites, Collections and Maps are stored using available ValueSerialization service.

Nested Class Summary

Nested classes/interfaces inherited from interface org.qi4j.api.service.ServiceActivation

ServiceActivation.ServiceActivator

Field Summary

org.slf4j.Logger	logger
java.util.concurrent.ScheduledThreadPoolExecutor	reloadExecutor
protected java.lang.String	uuid

Constructor Summary

PreferencesEntityStoreMixin()

Method Summary

void	activateService() Called after ServiceComposite Activation.
StateCommitter	applyChanges(EntityStoreUnitOfWork unitofwork, java.lang.Iterable<EntityState> state)
EntityState	entityStateOf(EntityStoreUnitOfWork unitOfWork, EntityReference identity)
Input<EntityState,EntityStoreException>	entityStates(Module module)
EntityState	newEntityState(EntityStoreUnitOfWork unitOfWork, EntityReference identity, EntityDescriptor entityDescriptor)
EntityStoreUnitOfWork	newUnitOfWork(Usecase usecase, Module module, long currentTime)
protected java.lang.String	newUnitOfWorkId()
void	passivateService() Called before ServiceComposite Passivation.
protected void	writeEntityState(DefaultEntityState state, java.util.prefs.Preferences entityPrefs, java.lang.String identity, long lastModified)

Methods inherited from class java.lang.Object

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

Field Detail

uuid

protected java.lang.String uuid

logger

public org.slf4j.Logger logger

reloadExecutor

public java.util.concurrent.ScheduledThreadPoolExecutor reloadExecutor

Constructor Detail

PreferencesEntityStoreMixin

public PreferencesEntityStoreMixin()

Method Detail

activateService

public void activateService()
                     throws java.lang.Exception

Description copied from interface: ServiceActivation

Called after ServiceComposite Activation.

Specified by:

activateService in interface ServiceActivation

Throws:

java.lang.Exception

passivateService

public void passivateService()
                      throws java.lang.Exception

Description copied from interface: ServiceActivation

Called before ServiceComposite Passivation.

Specified by:

passivateService in interface ServiceActivation

Throws:

java.lang.Exception

newUnitOfWork

public EntityStoreUnitOfWork newUnitOfWork(Usecase usecase,
                                           Module module,
                                           long currentTime)

Specified by:

newUnitOfWork in interface EntityStore

entityStates

public Input<EntityState,EntityStoreException> entityStates(Module module)

Specified by:

entityStates in interface EntityStore

newEntityState

public EntityState newEntityState(EntityStoreUnitOfWork unitOfWork,
                                  EntityReference identity,
                                  EntityDescriptor entityDescriptor)

Specified by:

newEntityState in interface EntityStoreSPI

entityStateOf

public EntityState entityStateOf(EntityStoreUnitOfWork unitOfWork,
                                 EntityReference identity)

Specified by:

entityStateOf in interface EntityStoreSPI

applyChanges

public StateCommitter applyChanges(EntityStoreUnitOfWork unitofwork,
                                   java.lang.Iterable<EntityState> state)

Specified by:

applyChanges in interface EntityStoreSPI

writeEntityState

protected void writeEntityState(DefaultEntityState state,
                                java.util.prefs.Preferences entityPrefs,
                                java.lang.String identity,
                                long lastModified)
                         throws EntityStoreException

Throws:

EntityStoreException

newUnitOfWorkId

protected java.lang.String newUnitOfWorkId()