Class FineSessionAttributesFactory<C,V>

java.lang.Object

org.wildfly.clustering.session.infinispan.remote.attributes.FineSessionAttributesFactory<C,V>

Type Parameters:

C - the session manager context type

V - the cache value type

All Implemented Interfaces:

AutoCloseable, CacheEntryCreator<String, Map<String,Object>, Void>, CacheEntryLocator<String, Map<String,Object>>, CacheEntryRemover<String>, ImmutableSessionAttributesFactory<Map<String,Object>>, SessionAttributesFactory<C, Map<String,Object>>

public class FineSessionAttributesFactory<C,V>
extends Object
implements SessionAttributesFactory<C, Map<String,Object>>

SessionAttributesFactory for fine granularity sessions, where all session attributes are stored in a single cache entry, but changes are applied by functions such that only modified and mutated values ever replicate/persist. This implementation is unsuited for attributes that strongly reference each other.

Author:

Paul Ferraro

Constructor Summary

Constructors

Constructor	Description
FineSessionAttributesFactory(SessionAttributesFactoryConfiguration<Object,V> configuration, BiFunction<ImmutableSession, C, SessionAttributeActivationNotifier> notifierFactory, RemoteCacheConfiguration hotrod)	Creates a session attributes factory

Method Summary

Modifier and Type	Method	Description
void	close()
Map<String,Object>	createImmutableSessionAttributes(String id, Map<String,Object> attributes)	Creates an immutable session attributes.
SessionAttributes	createSessionAttributes(String id, Map<String,Object> attributes, ImmutableSessionMetaData metaData, C context)	Create a SessionAttributes object.
Map<String,Object>	createValue(String id, Void context)	Creates a value in the cache, if it does not already exist.
CompletionStage<Map<String,Object>>	createValueAsync(String id, Void context)	Creates a value in the cache, if it does not already exist.
CompletionStage<Map<String,Object>>	findValueAsync(String id)	Locates the value in the cache with the specified identifier.
CompletionStage<Void>	removeAsync(String id)	Removes the specified entry from the cache.
CompletionStage<Map<String,Object>>	tryValueAsync(String id)	Returns the value for the specified key, if possible without contention.

Methods inherited from class Object

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

Methods inherited from interface CacheEntryLocator

findValue, tryValue

Methods inherited from interface CacheEntryRemover

purge, purgeAsync, remove

Constructor Details

FineSessionAttributesFactory

public FineSessionAttributesFactory(SessionAttributesFactoryConfiguration<Object,V> configuration,
 BiFunction<ImmutableSession, C, SessionAttributeActivationNotifier> notifierFactory,
 RemoteCacheConfiguration hotrod)

Creates a session attributes factory

Parameters:

configuration - the configuration of this factory

notifierFactory - a session attribute activation/passivation notifier factory

hotrod - the configuration of the associated cache

Method Details

createValue

public Map<String,Object> createValue(String id,
 Void context)

Description copied from interface: CacheEntryCreator

Creates a value in the cache, if it does not already exist.

Specified by:

createValue in interface CacheEntryCreator<String, Map<String,Object>, Void>

Parameters:

id - the cache entry identifier.

context - the context of the created value

Returns:

the new value, or the existing value the cache entry already exists.

createValueAsync

public CompletionStage<Map<String,Object>> createValueAsync(String id,
 Void context)

Description copied from interface: CacheEntryCreator

Creates a value in the cache, if it does not already exist.

Specified by:

createValueAsync in interface CacheEntryCreator<String, Map<String,Object>, Void>

Parameters:

id - the cache entry identifier.

context - the context of the created value

Returns:

the new value, or the existing value the cache entry already exists.

findValueAsync

public CompletionStage<Map<String,Object>> findValueAsync(String id)

Description copied from interface: CacheEntryLocator

Locates the value in the cache with the specified identifier.

Specified by:

findValueAsync in interface CacheEntryLocator<C,V>

Parameters:

id - the cache entry identifier

Returns:

the value of the cache entry, or null if not found.

tryValueAsync

public CompletionStage<Map<String,Object>> tryValueAsync(String id)

Description copied from interface: CacheEntryLocator

Returns the value for the specified key, if possible without contention.

Specified by:

tryValueAsync in interface CacheEntryLocator<C,V>

Parameters:

id - a logical key

Returns:

the value of the cache entry, or null if not found or unavailable.

removeAsync

public CompletionStage<Void> removeAsync(String id)

Description copied from interface: CacheEntryRemover

Removes the specified entry from the cache.

Specified by:

removeAsync in interface CacheEntryRemover<C>

Parameters:

id - the cache entry identifier.

Returns:

true, if the entry was removed.

createSessionAttributes

public SessionAttributes createSessionAttributes(String id,
 Map<String,Object> attributes,
 ImmutableSessionMetaData metaData,
 C context)

Description copied from interface: SessionAttributesFactory

Create a SessionAttributes object.

Specified by:

createSessionAttributes in interface SessionAttributesFactory<C,V>

Parameters:

id - the identifier of a session

attributes - the marshalled value type

metaData - the metadata of a session

context - the context of a session

Returns:

a SessionAttributes object.

createImmutableSessionAttributes

public Map<String,Object> createImmutableSessionAttributes(String id,
 Map<String,Object> attributes)

Description copied from interface: ImmutableSessionAttributesFactory

Creates an immutable session attributes.

Specified by:

createImmutableSessionAttributes in interface ImmutableSessionAttributesFactory<C>

Parameters:

id - the identifier of a session

attributes - the session attributes cache entry

Returns:

a map of session attributes

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface SessionAttributesFactory<C,V>