com.aspc.remote.memory.internal

Class CacheEntry

java.lang.Object

java.lang.ref.Reference<T>

java.lang.ref.WeakReference

com.aspc.remote.memory.internal.CacheEntry

All Implemented Interfaces:

InterfaceEntry

Direct Known Subclasses:

CacheEntryLong, CacheEntryObject

public abstract class CacheEntry
extends java.lang.ref.WeakReference
implements InterfaceEntry

Cache entry
THREAD MODE: MULTI-THREADED memory management

Since:

3 November 2002

Author:

Nigel Leck

Field Summary

Fields

Modifier and Type	Field and Description
int	data The last time this entry was fetched
java.lang.Object	hardReference Don't allow the object pointed to by this entry to be deallocated
int	hash the hash
InterfaceEntry	nextEntry the next entry

Constructor Summary

Constructors

Constructor and Description
CacheEntry(int hash, java.lang.Object referent, InterfaceEntry next) creates a new Cache Entry

Method Summary

Modifier and Type	Method and Description
void	clearHardReference() clear the hard reference
boolean	equals(java.lang.Object obj)
int	getData() The last time this entry was fetched
boolean	hasHardReference() has this entry got a hard reference.
int	hashCode()
InterfaceEntry	next()
void	setData(int temp) set the data
void	setNext(InterfaceEntry entry) set the next entry

Methods inherited from class java.lang.ref.Reference

clear, clone, enqueue, get, isEnqueued

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.aspc.remote.memory.internal.InterfaceEntry

get

Field Detail

nextEntry

public InterfaceEntry nextEntry

the next entry

hash

public final int hash

the hash

data

public int data

The last time this entry was fetched

hardReference

public java.lang.Object hardReference

Don't allow the object pointed to by this entry to be deallocated

Constructor Detail

CacheEntry

public CacheEntry(int hash,
                  java.lang.Object referent,
                  InterfaceEntry next)

creates a new Cache Entry

Parameters:

hash - The hash id

referent - the object

next - the next element

Method Detail

setData

public void setData(int temp)

set the data

Specified by:

setData in interface InterfaceEntry

Parameters:

temp - the value

clearHardReference

public void clearHardReference()

clear the hard reference

Specified by:

clearHardReference in interface InterfaceEntry

hasHardReference

public boolean hasHardReference()

has this entry got a hard reference.

Specified by:

hasHardReference in interface InterfaceEntry

Returns:

true if there is a hard reference.

setNext

public void setNext(InterfaceEntry entry)

set the next entry

Specified by:

setNext in interface InterfaceEntry

Parameters:

entry - the next entry

next

public InterfaceEntry next()

Specified by:

next in interface InterfaceEntry

Returns:

the next one

hashCode

@CheckReturnValue
public int hashCode()

Overrides:

hashCode in class java.lang.Object

Returns:

the hash code

equals

@CheckReturnValue
public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

Parameters:

obj - the object to check

Returns:

true if equals

getData

public int getData()

Description copied from interface: InterfaceEntry

The last time this entry was fetched

Specified by:

getData in interface InterfaceEntry

Returns:

the data