com.aspc.remote.memory

Class ResetableCacheLongTable<V>

java.lang.Object

com.aspc.remote.memory.internal.CacheTableTemplate<V>

com.aspc.remote.memory.CacheLongTable<V>

com.aspc.remote.memory.ResetableCacheLongTable<V>

Type Parameters:

V - the type.

All Implemented Interfaces:

MemoryHandler

public final class ResetableCacheLongTable<V>
extends CacheLongTable<V>

Cache Table is used to hold data cache which may be cleared independently by of the Memory Manager. The data held by these cache tables will not by default release elements that are referenced.
THREAD MODE: MULTI-THREADED memory management

Since:

31 December 1998

Author:

Nigel Leck

Nested Class Summary

Nested classes/interfaces inherited from interface com.aspc.remote.memory.MemoryHandler

MemoryHandler.Cost

Field Summary

Fields inherited from class com.aspc.remote.memory.internal.CacheTableTemplate

cost, count, data, description, estEmptyCount, INITIAL_CAPACITY, memoryMangerThreshold, PROPERTY_ENABLE_POINTER_CHECK, rwLock, unallocated

Constructor Summary

Constructors

Constructor and Description
ResetableCacheLongTable(java.lang.String description, MemoryHandler.Cost cost) Creates a new Cache Long table.

Method Summary

Modifier and Type	Method and Description
protected InterfaceEntry[]	createArray(int size) create a new array
ResetableCacheEntryLong	getCacheEntry(long key) Retrieve the entry for the key.
int	getReadCheck()
void	incrementReadCheck() update the read check
protected CacheEntryLong	makeCacheEntryLong(long key, int hashCode, java.lang.Object referent, InterfaceEntry next) make a cache entry for objects with a long for a key.

Methods inherited from class com.aspc.remote.memory.CacheLongTable

containsKey, find, get, getKeyArray, isLocked, lock, place, placeIfAbsent, put, release, remove, unlock

Methods inherited from class com.aspc.remote.memory.internal.CacheTableTemplate

checkRegister, clear, compact, containsValue, freeMemory, getAverageSize, getCost, getDescription, getEstimatedSize, getHardLinkCount, getLastAccessed, isEmpty, panicFreeMemory, queuedFreeMemory, rehash, removeElement, setAverageSize, setMayReleaseReferences, setThreshold, size, stats, tidyUp, tidyUpRequired, toString, touch

Methods inherited from class java.lang.Object

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

Constructor Detail

ResetableCacheLongTable

public ResetableCacheLongTable(@Nonnull
                               java.lang.String description,
                               @Nonnull
                               MemoryHandler.Cost cost)

Creates a new Cache Long table.

Parameters:

description - The description of this cache table.

cost - The relative cost.

Method Detail

getCacheEntry

@CheckReturnValue
 @Nullable
public ResetableCacheEntryLong getCacheEntry(long key)

Retrieve the entry for the key.

Parameters:

key - The key

Returns:

The entry if found

makeCacheEntryLong

@CheckReturnValue
 @Nonnull
protected CacheEntryLong makeCacheEntryLong(long key,
                                                                        int hashCode,
                                                                        java.lang.Object referent,
                                                                        InterfaceEntry next)

make a cache entry for objects with a long for a key.

Overrides:

makeCacheEntryLong in class CacheLongTable<V>

Parameters:

key - the key

hashCode - the hash number

referent - the object that we want to cache

next - the next entry

Returns:

the entry

createArray

@CheckReturnValue
 @Nonnull
protected InterfaceEntry[] createArray(int size)

create a new array

Overrides:

createArray in class CacheLongTable<V>

Parameters:

size - the new size of the array

Returns:

the new array

getReadCheck

@CheckReturnValue
public int getReadCheck()

Returns:

the read check

incrementReadCheck

public void incrementReadCheck()

update the read check