Package org.deltava.util.cache

Class CacheEntry<T extends Cacheable>

java.lang.Object

org.deltava.util.cache.CacheEntry<T>

Type Parameters:

T - the cacheable object type

All Implemented Interfaces:

Serializable, Comparable<CacheEntry<T>>

Direct Known Subclasses:

AgingCache.AgingCacheEntry, ExpiringCacheEntry, RemoteCacheEntry

abstract class CacheEntry<T extends Cacheable>
extends Object
implements Serializable, Comparable<CacheEntry<T>>

An abstract class to handle cache entries.

Since:

1.0

Version:

8.0

Author:

Luke

Field Summary

Fields

Modifier and Type	Field	Description
protected long	_createExpire	A Helper variable used to track either creation or expiry time.

Constructor Summary

Constructors

Constructor	Description
CacheEntry(Object key, T entry)	Initializes the key and the entry.
CacheEntry(T entry)	Initializes the entry.

Method Summary

Modifier and Type	Method	Description
int	compareTo(CacheEntry<T> e2)
T	get()	Returns the cached object.
(package private) Object	getKey()	Returns the object's cache key.
int	hashCode()
String	toString()	Returns the string representation of the cache key.

Methods inherited from class java.lang.Object

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

Field Details

_createExpire

protected long _createExpire

A Helper variable used to track either creation or expiry time.

Constructor Details

CacheEntry

CacheEntry(T entry)

Initializes the entry.

Parameters:

entry - the cached data

CacheEntry

CacheEntry(Object key,
 T entry)

Initializes the key and the entry.

Parameters:

key - the key

entry - the entry

Method Details

getKey

Object getKey()

Returns the object's cache key.

Returns:

the key

get

public T get()

Returns the cached object.

Returns:

the object

toString

public String toString()

Returns the string representation of the cache key.

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

compareTo

public int compareTo(CacheEntry<T> e2)

Specified by:

compareTo in interface Comparable<T extends Cacheable>