com.spoledge.audao.db.dao
Class MemoryDtoCacheImpl<K,V>

java.lang.Object
  com.spoledge.audao.db.dao.MemoryDtoCacheImpl<K,V>

All Implemented Interfaces:

DtoCache<K,V>

public class MemoryDtoCacheImpl<K,V>
extends java.lang.Object
implements DtoCache<K,V>

Memory DtoCache uses LinkedHashMap to store the values (LRU cache). The cached objects never expires - this implementation saes the memory.

Nested Class Summary

protected class

MemoryDtoCacheImpl.LHM<K,V>

Field Summary

protected MemoryDtoCacheImpl.LHM<K,V>	map
protected int	maxSize

Constructor Summary

MemoryDtoCacheImpl(int maxSize)

MemoryDtoCacheImpl(int maxSize, int initialCapacity, float loadFactor)

Method Summary

void	clear() Clears the cache.
protected MemoryDtoCacheImpl.LHM<K,V>	createMap(int initialCapacity, float loadFactor)
V	get(K key) Returns the associated object or null.
void	put(K key, V value) Puts the key/value pair into the cache.
void	remove(K key) Removes the associated object.

Methods inherited from class java.lang.Object

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

Field Detail

maxSize

protected final int maxSize

map

protected final MemoryDtoCacheImpl.LHM<K,V> map

Constructor Detail

MemoryDtoCacheImpl

public MemoryDtoCacheImpl(int maxSize)

MemoryDtoCacheImpl

public MemoryDtoCacheImpl(int maxSize,
                          int initialCapacity,
                          float loadFactor)

Method Detail

get

public final V get(K key)

Returns the associated object or null.

Specified by:

get in interface DtoCache<K,V>

put

public final void put(K key,
                      V value)

Puts the key/value pair into the cache.

Specified by:

put in interface DtoCache<K,V>

remove

public final void remove(K key)

Removes the associated object.

Specified by:

remove in interface DtoCache<K,V>

clear

public final void clear()

Clears the cache.

Specified by:

clear in interface DtoCache<K,V>

createMap

protected MemoryDtoCacheImpl.LHM<K,V> createMap(int initialCapacity,
                                                float loadFactor)