PreferencesEntityStoreMixin (org.qi4j.extension.entitystore-preferences 2.1 API)

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

All Implemented Interfaces:

org.qi4j.api.service.ServiceActivation, org.qi4j.spi.entitystore.EntityStore, org.qi4j.spi.entitystore.EntityStoreSPI
```
public class PreferencesEntityStoreMixin
extends Object
implements org.qi4j.api.service.ServiceActivation, org.qi4j.spi.entitystore.EntityStore, org.qi4j.spi.entitystore.EntityStoreSPI
```
Implementation of EntityStore that is backed by the Preferences API.
@see Preferences

Associations are stored as the identity of the referenced Entity, ManyAssociations are stored as multi-line strings (one identity per line), and NamedAssociations are stored as multi-line strings (one name on a line, identity on the next 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
  org.qi4j.api.service.ServiceActivation.ServiceActivator

Field Summary

Fields
Modifier and Type Field and Description

org.slf4j.Logger logger

ScheduledThreadPoolExecutor reloadExecutor

protected String uuid

Fields
Modifier and Type	Field and Description
`org.slf4j.Logger`	`logger`
`ScheduledThreadPoolExecutor`	`reloadExecutor`
`protected String`	`uuid`

Constructor Summary

Constructors
Constructor and Description

PreferencesEntityStoreMixin()

Constructors
Constructor and Description
`PreferencesEntityStoreMixin()`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`activateService()`
`org.qi4j.spi.entitystore.StateCommitter`	`applyChanges(org.qi4j.spi.entitystore.EntityStoreUnitOfWork unitofwork, Iterable<org.qi4j.spi.entity.EntityState> state)`
`org.qi4j.spi.entity.EntityState`	`entityStateOf(org.qi4j.spi.entitystore.EntityStoreUnitOfWork unitOfWork, org.qi4j.spi.module.ModuleSpi module, org.qi4j.api.entity.EntityReference identity)`
`org.qi4j.io.Input<org.qi4j.spi.entity.EntityState,org.qi4j.spi.entitystore.EntityStoreException>`	`entityStates(org.qi4j.spi.module.ModuleSpi module)`
`org.qi4j.spi.entity.EntityState`	`newEntityState(org.qi4j.spi.entitystore.EntityStoreUnitOfWork unitOfWork, org.qi4j.spi.module.ModuleSpi module, org.qi4j.api.entity.EntityReference identity, org.qi4j.api.entity.EntityDescriptor entityDescriptor)`
`org.qi4j.spi.entitystore.EntityStoreUnitOfWork`	`newUnitOfWork(org.qi4j.api.usecase.Usecase usecase, org.qi4j.spi.module.ModuleSpi module, long currentTime)`
`protected String`	`newUnitOfWorkId()`
`void`	`passivateService()`
`protected void`	`writeEntityState(org.qi4j.spi.entitystore.helpers.DefaultEntityState state, Preferences entityPrefs, 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 String uuid
```

logger
```
public org.slf4j.Logger logger
```

reloadExecutor

public ScheduledThreadPoolExecutor reloadExecutor

Constructor Detail
- PreferencesEntityStoreMixin
```
public PreferencesEntityStoreMixin()
```

Method Detail

activateService
```
public void activateService()
                     throws Exception
```
Specified by:

activateService in interface org.qi4j.api.service.ServiceActivation

Throws:

Exception

passivateService
```
public void passivateService()
                      throws Exception
```
Specified by:

passivateService in interface org.qi4j.api.service.ServiceActivation

Throws:

Exception

newUnitOfWork

public org.qi4j.spi.entitystore.EntityStoreUnitOfWork newUnitOfWork(org.qi4j.api.usecase.Usecase usecase,
                                                           org.qi4j.spi.module.ModuleSpi module,
                                                           long currentTime)

Specified by:: newUnitOfWork in interface org.qi4j.spi.entitystore.EntityStore

entityStates

public org.qi4j.io.Input<org.qi4j.spi.entity.EntityState,org.qi4j.spi.entitystore.EntityStoreException> entityStates(org.qi4j.spi.module.ModuleSpi module)

Specified by:: entityStates in interface org.qi4j.spi.entitystore.EntityStore

newEntityState

public org.qi4j.spi.entity.EntityState newEntityState(org.qi4j.spi.entitystore.EntityStoreUnitOfWork unitOfWork,
                                             org.qi4j.spi.module.ModuleSpi module,
                                             org.qi4j.api.entity.EntityReference identity,
                                             org.qi4j.api.entity.EntityDescriptor entityDescriptor)

Specified by:: newEntityState in interface org.qi4j.spi.entitystore.EntityStoreSPI

entityStateOf

public org.qi4j.spi.entity.EntityState entityStateOf(org.qi4j.spi.entitystore.EntityStoreUnitOfWork unitOfWork,
                                            org.qi4j.spi.module.ModuleSpi module,
                                            org.qi4j.api.entity.EntityReference identity)

Specified by:: entityStateOf in interface org.qi4j.spi.entitystore.EntityStoreSPI

applyChanges

public org.qi4j.spi.entitystore.StateCommitter applyChanges(org.qi4j.spi.entitystore.EntityStoreUnitOfWork unitofwork,
                                                   Iterable<org.qi4j.spi.entity.EntityState> state)

Specified by:: applyChanges in interface org.qi4j.spi.entitystore.EntityStoreSPI

writeEntityState

protected void writeEntityState(org.qi4j.spi.entitystore.helpers.DefaultEntityState state,
                    Preferences entityPrefs,
                    String identity,
                    long lastModified)
                         throws org.qi4j.spi.entitystore.EntityStoreException

Throws:: org.qi4j.spi.entitystore.EntityStoreException

newUnitOfWorkId
```
protected String newUnitOfWorkId()
```

Class PreferencesEntityStoreMixin

Nested Class Summary

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

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

uuid

logger

reloadExecutor

Constructor Detail

PreferencesEntityStoreMixin

Method Detail

activateService

passivateService

newUnitOfWork

entityStates

newEntityState

entityStateOf

applyChanges

writeEntityState

newUnitOfWorkId