com.hazelcast.map.impl.nearcache

Class NearCacheImpl

java.lang.Object

com.hazelcast.map.impl.nearcache.NearCacheImpl

All Implemented Interfaces:

NearCache<Data,Object>

public class NearCacheImpl
extends Object
implements NearCache<Data,Object>

NearCache.

Field Summary

Fields

Modifier and Type	Field and Description
static String	NEAR_CACHE_EXECUTOR_NAME

Fields inherited from interface com.hazelcast.cache.impl.nearcache.NearCache

DEFAULT_EXPIRATION_TASK_DELAY_IN_SECONDS, DEFAULT_EXPIRATION_TASK_INITIAL_DELAY_IN_SECONDS, NULL_OBJECT

Constructor Summary

Constructors

Constructor and Description
NearCacheImpl(String mapName, NodeEngine nodeEngine)

Method Summary

Methods

Modifier and Type	Method and Description
void	clear() Removes all stored values.
void	destroy() Clears the record store and destroys it.
Object	get(Data key) Gets the value associated with the given key.
InMemoryFormat	getInMemoryFormat() Gets the InMemoryFormat of the storage for internal records.
String	getName() Gets the name of the this NearCache instance.
SizeEstimator	getNearCacheSizeEstimator()
NearCacheStatsImpl	getNearCacheStats() Get the NearCacheStats instance to monitor this store.
boolean	isInvalidateOnChange()
void	put(Data key, Object value) Puts (associates) a value with the given key.
boolean	remove(Data key) Removes the value associated with the given key.
Object	selectToSave(Object... candidates) Selects the best candidate object to store from the given candidates.
void	setNearCacheSizeEstimator(SizeEstimator nearCacheSizeEstimator)
int	size() Gets the count of stored records.

Methods inherited from class java.lang.Object

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

Field Detail

NEAR_CACHE_EXECUTOR_NAME

public static final String NEAR_CACHE_EXECUTOR_NAME

See Also:

Constant Field Values

Constructor Detail

NearCacheImpl

public NearCacheImpl(String mapName,
             NodeEngine nodeEngine)

Parameters:

mapName - name of map which owns near cache.

nodeEngine - node engine.

Method Detail

put

public void put(Data key,
       Object value)

Description copied from interface: NearCache

Puts (associates) a value with the given key.

Specified by:

put in interface NearCache<Data,Object>

Parameters:

key - the key of the value will be stored

value - the value will be stored

getNearCacheStats

public NearCacheStatsImpl getNearCacheStats()

Description copied from interface: NearCache

Get the NearCacheStats instance to monitor this store.

Specified by:

getNearCacheStats in interface NearCache<Data,Object>

Returns:

the NearCacheStats instance to monitor this store

selectToSave

public Object selectToSave(Object... candidates)

Description copied from interface: NearCache

Selects the best candidate object to store from the given candidates.

Specified by:

selectToSave in interface NearCache<Data,Object>

Parameters:

candidates - the candidates from which the best candidate object will be selected.

Returns:

the best candidate object to store, selected from the given candidates.

getName

public String getName()

Description copied from interface: NearCache

Gets the name of the this NearCache instance.

Specified by:

getName in interface NearCache<Data,Object>

Returns:

the name of the this NearCache instance

get

public Object get(Data key)

Description copied from interface: NearCache

Gets the value associated with the given key.

Specified by:

get in interface NearCache<Data,Object>

Parameters:

key - the key of the requested value

Returns:

the value associated with the given key

remove

public boolean remove(Data key)

Description copied from interface: NearCache

Removes the value associated with the given key.

Specified by:

remove in interface NearCache<Data,Object>

Parameters:

key - the key of the value will be removed

isInvalidateOnChange

public boolean isInvalidateOnChange()

Specified by:

isInvalidateOnChange in interface NearCache<Data,Object>

Returns:

size

public int size()

Description copied from interface: NearCache

Gets the count of stored records.

Specified by:

size in interface NearCache<Data,Object>

Returns:

the count of stored records

clear

public void clear()

Description copied from interface: NearCache

Removes all stored values.

Specified by:

clear in interface NearCache<Data,Object>

destroy

public void destroy()

Description copied from interface: NearCache

Clears the record store and destroys it.

Specified by:

destroy in interface NearCache<Data,Object>

getInMemoryFormat

public InMemoryFormat getInMemoryFormat()

Description copied from interface: NearCache

Gets the InMemoryFormat of the storage for internal records.

Specified by:

getInMemoryFormat in interface NearCache<Data,Object>

Returns:

the InMemoryFormat of the storage for internal records

getNearCacheSizeEstimator

public SizeEstimator getNearCacheSizeEstimator()

setNearCacheSizeEstimator

public void setNearCacheSizeEstimator(SizeEstimator nearCacheSizeEstimator)