org.cache2k.impl

Class AggregationStorageAdapter

java.lang.Object

org.cache2k.impl.StorageAdapter

org.cache2k.impl.AggregationStorageAdapter

public class AggregationStorageAdapter
extends StorageAdapter

Not used now, aggregation prototype

Author:

Jens Wilke; created: 2014-06-04

Constructor Summary

Constructors

Constructor and Description
AggregationStorageAdapter()

Method Summary

Methods

Modifier and Type	Method and Description
Future<Void>	cancelTimerJobs() Cancel all schedules timer jobs in the storage.
boolean	checkStorageStillDisconnectedForClear()
Future<Void>	clearAndReconnect() Starts the parallel clearing process, returns immediatly
void	disable(Throwable t) Bad thing occurred, we do not what storage is to be blamed.
void	disconnectStorageForClear()
void	evict(Entry e)
void	expire(Entry e) TODO: Relly needed?
void	flush()
StorageEntry	get(Object key) Ask storages for the entry.
int	getAlert() 0 means no alert, 1 orange, 2, red alert
int	getTotalEntryCount() Return the total number of entries within the heap and the storage.
ClosableIterator<Entry>	iterateAll() Use the last storage, which should be the biggest and contain all entries.
void	open()
void	purge()
void	put(Entry e, long _nextRefreshTime) Send put to all storage instances.
boolean	remove(Object key)
void	resetStorage(StorageAdapter _current, StorageAdapter _new) Change the storage implementation to another one or null for a disconnect
Future<Void>	shutdown()

Methods inherited from class org.cache2k.impl.StorageAdapter

buildThrowable, rethrow

Methods inherited from class java.lang.Object

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

Constructor Detail

AggregationStorageAdapter

public AggregationStorageAdapter()

Method Detail

open

public void open()

Specified by:

open in class StorageAdapter

flush

public void flush()

Specified by:

flush in class StorageAdapter

purge

public void purge()

Specified by:

purge in class StorageAdapter

shutdown

public Future<Void> shutdown()

Specified by:

shutdown in class StorageAdapter

checkStorageStillDisconnectedForClear

public boolean checkStorageStillDisconnectedForClear()

Specified by:

checkStorageStillDisconnectedForClear in class StorageAdapter

disconnectStorageForClear

public void disconnectStorageForClear()

Specified by:

disconnectStorageForClear in class StorageAdapter

clearAndReconnect

public Future<Void> clearAndReconnect()

Description copied from class: StorageAdapter

Starts the parallel clearing process, returns immediatly

Specified by:

clearAndReconnect in class StorageAdapter

put

public void put(Entry e,
       long _nextRefreshTime)

Send put to all storage instances. Delegated instance can will decide whether it really puts or not (passivation / no - passivation). The put is called sequentially.

Specified by:

put in class StorageAdapter

_nextRefreshTime - value expiry time in millis, 0: expire immediately, Long.MAX_VALUE: no expiry

get

public StorageEntry get(Object key)

Ask storages for the entry. The get is tried in the order of the storages until an entry is found.

Specified by:

get in class StorageAdapter

remove

public boolean remove(Object key)

Specified by:

remove in class StorageAdapter

evict

public void evict(Entry e)

Specified by:

evict in class StorageAdapter

expire

public void expire(Entry e)

Description copied from class: StorageAdapter

TODO: Relly needed?

Specified by:

expire in class StorageAdapter

iterateAll

public ClosableIterator<Entry> iterateAll()

Use the last storage, which should be the biggest and contain all entries.

Specified by:

iterateAll in class StorageAdapter

getTotalEntryCount

public int getTotalEntryCount()

Description copied from class: StorageAdapter

Return the total number of entries within the heap and the storage. Should apply simple calculations to give and exact number. No heavy operation e.g. checking for duplicates.

Specified by:

getTotalEntryCount in class StorageAdapter

See Also:

Cache.getTotalEntryCount()

getAlert

public int getAlert()

Description copied from class: StorageAdapter

0 means no alert, 1 orange, 2, red alert

Specified by:

getAlert in class StorageAdapter

disable

public void disable(Throwable t)

Bad thing occurred, we do not what storage is to be blamed. Disable completely

Specified by:

disable in class StorageAdapter

resetStorage

public void resetStorage(StorageAdapter _current,
                StorageAdapter _new)

Change the storage implementation to another one or null for a disconnect

cancelTimerJobs

public Future<Void> cancelTimerJobs()

Description copied from class: StorageAdapter

Cancel all schedules timer jobs in the storage.

Specified by:

cancelTimerJobs in class StorageAdapter