org.apache.polygene.entitystore.memory

Class MemoryMapEntityStoreMixin

java.lang.Object

org.apache.polygene.entitystore.memory.MemoryMapEntityStoreMixin

All Implemented Interfaces:

BackupRestore, MapEntityStore, MapEntityStoreActivation

public class MemoryMapEntityStoreMixin
extends Object
implements MapEntityStore, BackupRestore, MapEntityStoreActivation

In-memory implementation of MapEntityStore.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.polygene.spi.entitystore.helpers.MapEntityStore

MapEntityStore.MapChange, MapEntityStore.MapChanger, MapEntityStore.MapChanges

Nested classes/interfaces inherited from interface org.apache.polygene.spi.entitystore.helpers.MapEntityStoreActivation

MapEntityStoreActivation.Activator

Constructor Summary

Constructors

Constructor and Description
MemoryMapEntityStoreMixin()

Method Summary

Modifier and Type	Method and Description
void	activateMapEntityStore()
void	applyChanges(MapEntityStore.MapChanges changes)
Stream<String>	backup() Backup entity states.
boolean	contains(EntityReference entityReference, EntityDescriptor descriptor)
Stream<Reader>	entityStates()
Reader	get(EntityReference entityReference)
void	restore(Stream<String> stream) Restore entity states.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.polygene.spi.entitystore.BackupRestore

restore

Constructor Detail

MemoryMapEntityStoreMixin

public MemoryMapEntityStoreMixin()

Method Detail

activateMapEntityStore

public void activateMapEntityStore()

Specified by:

activateMapEntityStore in interface MapEntityStoreActivation

contains

public boolean contains(EntityReference entityReference,
                        EntityDescriptor descriptor)
                 throws EntityStoreException

Throws:

EntityStoreException

get

public Reader get(EntityReference entityReference)
           throws EntityStoreException

Specified by:

get in interface MapEntityStore

Parameters:

entityReference - The reference to the entity that we want to get.

Returns:

Entity state Reader

Throws:

EntityStoreException

applyChanges

public void applyChanges(MapEntityStore.MapChanges changes)
                  throws Exception

Specified by:

applyChanges in interface MapEntityStore

Throws:

Exception

entityStates

public Stream<Reader> entityStates()

Specified by:

entityStates in interface MapEntityStore

Returns:

All entities state Readers, must be closed

backup

public Stream<String> backup()

Description copied from interface: BackupRestore

Backup entity states.

Specified by:

backup in interface BackupRestore

Returns:

Stream of serialized entity states, must be closed

restore

public void restore(Stream<String> stream)

Description copied from interface: BackupRestore

Restore entity states.

Specified by:

restore in interface BackupRestore

Parameters:

stream - Stream of serialized entity states