com.toolsverse.cache

Class MemoryCache<K,V>

Object

com.toolsverse.cache.MemoryCache<K,V>

Type Parameters:

K - the key type

V - the value type

All Implemented Interfaces:

Cache<K,V>, CacheProvider<K,V>, Serializable

Direct Known Subclasses:

LinkedMemoryCache, SynchLinkedMemoryCache, SynchMemoryCache

public class MemoryCache<K,V>
extends Object
implements Cache<K,V>, CacheProvider<K,V>

HashMap implementation of the Cache interface.

Since:

1.0

Version:

2.0

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MemoryCache() Instantiates a new MemoryCache.

Method Summary

Modifier and Type	Method and Description
void	clear() Clears the cache.
void	clearByKey(K key) Removes cache entry by key.
void	clearByValue(V value) Removes cache entry by value.
V	get(K key) Gets the object stored in the cache by key.
Cache<K,V>	getCache() Gets the cache.
Map<K,V>	getStorage() Gets the storage.
protected void	init() Instantiates storage.
V	put(K key, V value) Puts the object into the cache.
int	size() Returns size of the cache.

Methods inherited from class Object

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

Constructor Detail

MemoryCache

public MemoryCache()

Instantiates a new MemoryCache.

Method Detail

clear

public void clear()

Description copied from interface: Cache

Clears the cache.

Specified by:

clear in interface Cache<K,V>

clearByKey

public void clearByKey(K key)

Description copied from interface: Cache

Removes cache entry by key.

Specified by:

clearByKey in interface Cache<K,V>

Parameters:

key - the key

clearByValue

public void clearByValue(V value)

Description copied from interface: Cache

Removes cache entry by value.

Specified by:

clearByValue in interface Cache<K,V>

Parameters:

value - the value

get

public V get(K key)

Description copied from interface: Cache

Gets the object stored in the cache by key.

Specified by:

get in interface Cache<K,V>

Parameters:

key - the key

Returns:

the object

getCache

public Cache<K,V> getCache()

Description copied from interface: CacheProvider

Gets the cache.

Specified by:

getCache in interface CacheProvider<K,V>

Returns:

the cache

getStorage

public Map<K,V> getStorage()

Gets the storage.

Returns:

the storage

init

protected void init()

Instantiates storage.

put

public V put(K key,
             V value)

Description copied from interface: Cache

Puts the object into the cache.

Specified by:

put in interface Cache<K,V>

Parameters:

key - the key

value - the value

Returns:

the object

size

public int size()

Description copied from interface: Cache

Returns size of the cache.

Specified by:

size in interface Cache<K,V>

Returns:

the int