com.hazelcast.internal.nearcache.impl.store

Class NearCacheObjectRecordStore<K,V>

java.lang.Object

com.hazelcast.internal.nearcache.impl.store.AbstractNearCacheRecordStore<K,V,K,R,HeapNearCacheRecordMap<K,R>>

com.hazelcast.internal.nearcache.impl.store.BaseHeapNearCacheRecordStore<K,V,NearCacheObjectRecord<V>>

com.hazelcast.internal.nearcache.impl.store.NearCacheObjectRecordStore<K,V>

Type Parameters:

K - the type of the key stored in Near Cache

V - the type of the value stored in Near Cache

All Implemented Interfaces:

EvictionListener<K,NearCacheObjectRecord<V>>, NearCacheRecordStore<K,V>, InitializingObject

public class NearCacheObjectRecordStore<K,V>
extends BaseHeapNearCacheRecordStore<K,V,NearCacheObjectRecord<V>>

NearCacheRecordStore implementation for Near Caches with InMemoryFormat.OBJECT in-memory-format.

Field Summary

Fields inherited from class com.hazelcast.internal.nearcache.impl.store.AbstractNearCacheRecordStore

classLoader, evictionChecker, evictionDisabled, evictionPolicyEvaluator, evictionStrategy, maxIdleMillis, MILLI_SECONDS_IN_A_SECOND, nearCacheConfig, nearCacheStats, records, REFERENCE_SIZE, RESERVATION_ID, reservationId, reserveForUpdate, serializationService, staleReadDetector, timeToLiveMillis

Fields inherited from interface com.hazelcast.internal.eviction.EvictionListener

NO_LISTENER

Constructor Summary

Constructors

Constructor and Description
NearCacheObjectRecordStore(String name, NearCacheConfig nearCacheConfig, SerializationService serializationService, ClassLoader classLoader)

Method Summary

Modifier and Type	Method and Description
protected long	getKeyStorageMemoryCost(K key)
protected long	getRecordStorageMemoryCost(NearCacheObjectRecord record)
protected V	recordToValue(NearCacheObjectRecord<V> record)
Object	selectToSave(Object... candidates) Selects the best candidate object to store from the given candidates.
protected void	updateRecordValue(NearCacheObjectRecord<V> record, V value)
protected NearCacheObjectRecord<V>	valueToRecord(V value)

Methods inherited from class com.hazelcast.internal.nearcache.impl.store.BaseHeapNearCacheRecordStore

containsRecordKey, createNearCacheEvictionChecker, createNearCacheRecordMap, destroy, doExpiration, getOrCreateToReserve, getRecord, loadKeys, onEvict, putRecord, removeRecord, storeKeys, updateAndGetReserved

Methods inherited from class com.hazelcast.internal.nearcache.impl.store.AbstractNearCacheRecordStore

checkAvailable, clear, dataToValue, doEviction, doEvictionIfRequired, get, getNearCacheStats, getStaleReadDetector, getTotalStorageMemoryCost, initialize, isAvailable, isRecordExpired, onExpire, onGet, onGetError, onPut, onPutError, onRemove, onRemoveError, put, remove, setStaleReadDetector, size, toData, toValue, tryPublishReserved, tryReserveForUpdate, updateReservedRecordInternal, valueToData

Methods inherited from class java.lang.Object

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

Constructor Detail

NearCacheObjectRecordStore

public NearCacheObjectRecordStore(String name,
                                  NearCacheConfig nearCacheConfig,
                                  SerializationService serializationService,
                                  ClassLoader classLoader)

Method Detail

getKeyStorageMemoryCost

protected long getKeyStorageMemoryCost(K key)

Specified by:

getKeyStorageMemoryCost in class AbstractNearCacheRecordStore<K,V,K,NearCacheObjectRecord<V>,HeapNearCacheRecordMap<K,NearCacheObjectRecord<V>>>

getRecordStorageMemoryCost

protected long getRecordStorageMemoryCost(NearCacheObjectRecord record)

Specified by:

getRecordStorageMemoryCost in class AbstractNearCacheRecordStore<K,V,K,NearCacheObjectRecord<V>,HeapNearCacheRecordMap<K,NearCacheObjectRecord<V>>>

valueToRecord

protected NearCacheObjectRecord<V> valueToRecord(V value)

Specified by:

valueToRecord in class AbstractNearCacheRecordStore<K,V,K,NearCacheObjectRecord<V>,HeapNearCacheRecordMap<K,NearCacheObjectRecord<V>>>

updateRecordValue

protected void updateRecordValue(NearCacheObjectRecord<V> record,
                                 V value)

Specified by:

updateRecordValue in class AbstractNearCacheRecordStore<K,V,K,NearCacheObjectRecord<V>,HeapNearCacheRecordMap<K,NearCacheObjectRecord<V>>>

recordToValue

protected V recordToValue(NearCacheObjectRecord<V> record)

Specified by:

recordToValue in class AbstractNearCacheRecordStore<K,V,K,NearCacheObjectRecord<V>,HeapNearCacheRecordMap<K,NearCacheObjectRecord<V>>>

selectToSave

public Object selectToSave(Object... candidates)

Description copied from interface: NearCacheRecordStore

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

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.