com.jn.langx.cache

类 AbstractCache<K,V>

java.lang.Object

com.jn.langx.cache.AbstractCache<K,V>

所有已实现的接口:

Cache<K,V>, Lifecycle

直接已知子类:

FIFOCache, LRUCache

public abstract class AbstractCache<K,V>
extends Object
implements Cache<K,V>, Lifecycle

构造器概要

构造器

限定符	构造器和说明
protected	AbstractCache(int maxCapacity, long evictExpiredInterval)
protected	AbstractCache(int maxCapacity, long evictExpiredInterval, Timer timer)

方法概要

限定符和类型	方法和说明
protected abstract void	addToCache(Entry<K,V> entry)
protected abstract void	afterRead(Entry<K,V> entry)
protected abstract void	afterRecomputeExpireTimeOnRead(Entry<K,V> entry)
protected abstract void	beforeRead(Entry<K,V> entry)
protected abstract void	beforeRecomputeExpireTimeOnRead(Entry<K,V> entry)
void	clean()
protected abstract List<K>	forceEvict(int count) 用于找到将被强制清除的
V	get(K key) get by key
V	get(K key, Supplier<K,V> loader)
Map<K,V>	getAll(Iterable<K> keys) multiple get
Map<K,V>	getAllIfPresent(Iterable<K> keys) multiple get
V	getIfPresent(K key)
protected void	incrementUsedCount(Entry<K,V> entry)
void	refresh(K key)
List<V>	remove(Collection<K> keys)
V	remove(K key)
protected V	remove(K key, RemoveCause cause)
protected abstract void	removeFromCache(Entry<K,V> entry, RemoveCause removeCause)
void	set(K key, V value) set a key-value to cache, with out expire time never
void	set(K key, V value, long expire) set a key-value to cache, with the specified expire time
void	set(K key, V value, long duration, TimeUnit timeUnit) set a key-value to cache, with the specified expire time
void	setKeyReferenceType(ReferenceType keyReferenceType)
void	setReferenceQueue(ReferenceQueue referenceQueue)
void	setTimer(Timer timer)
void	setValueReferenceType(ReferenceType valueReferenceType)
void	shutdown()
int	size()
void	startup()
Map<K,V>	toMap()

从类继承的方法 java.lang.Object

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

构造器详细资料

AbstractCache

protected AbstractCache(int maxCapacity,
                        long evictExpiredInterval)

AbstractCache

protected AbstractCache(int maxCapacity,
                        long evictExpiredInterval,
                        Timer timer)

方法详细资料

setKeyReferenceType

public void setKeyReferenceType(ReferenceType keyReferenceType)

setValueReferenceType

public void setValueReferenceType(ReferenceType valueReferenceType)

setReferenceQueue

public void setReferenceQueue(ReferenceQueue referenceQueue)

set

public void set(@NonNull
                K key,
                @Nullable
                V value)

从接口复制的说明: Cache

set a key-value to cache, with out expire time never

指定者:

set 在接口中 Cache<K,V>

参数:

key - the key

value - the value

set

public void set(@NonNull
                K key,
                @Nullable
                V value,
                long duration,
                TimeUnit timeUnit)

从接口复制的说明: Cache

set a key-value to cache, with the specified expire time

指定者:

set 在接口中 Cache<K,V>

参数:

key - the key

value - the value

duration - the time-to-live time, the live time

set

public void set(@NonNull
                K key,
                @Nullable
                V value,
                long expire)

从接口复制的说明: Cache

set a key-value to cache, with the specified expire time

指定者:

set 在接口中 Cache<K,V>

参数:

key - the key

value - the value

expire - the expire time

addToCache

protected abstract void addToCache(Entry<K,V> entry)

incrementUsedCount

protected void incrementUsedCount(Entry<K,V> entry)

get

public V get(@NonNull
             K key)

从接口复制的说明: Cache

get by key

指定者:

get 在接口中 Cache<K,V>

参数:

key - the key

返回:

the value, null if key is not exist

getAll

public Map<K,V> getAll(Iterable<K> keys)

从接口复制的说明: Cache

multiple get

指定者:

getAll 在接口中 Cache<K,V>

参数:

keys - get the specified keys

返回:

the values

getAllIfPresent

public Map<K,V> getAllIfPresent(Iterable<K> keys)

从接口复制的说明: Cache

multiple get

指定者:

getAllIfPresent 在接口中 Cache<K,V>

参数:

keys - get the specified keys

返回:

the values

getIfPresent

public V getIfPresent(@NonNull
                      K key)

指定者:

getIfPresent 在接口中 Cache<K,V>

get

public V get(@NonNull
             K key,
             @Nullable
             Supplier<K,V> loader)

指定者:

get 在接口中 Cache<K,V>

beforeRecomputeExpireTimeOnRead

protected abstract void beforeRecomputeExpireTimeOnRead(Entry<K,V> entry)

afterRecomputeExpireTimeOnRead

protected abstract void afterRecomputeExpireTimeOnRead(Entry<K,V> entry)

refresh

public void refresh(@NonNull
                    K key)

指定者:

refresh 在接口中 Cache<K,V>

removeFromCache

protected abstract void removeFromCache(Entry<K,V> entry,
                                        RemoveCause removeCause)

beforeRead

protected abstract void beforeRead(Entry<K,V> entry)

afterRead

protected abstract void afterRead(Entry<K,V> entry)

remove

protected final V remove(@NonNull
                         K key,
                         @NonNull
                         RemoveCause cause)

remove

public V remove(@NonNull
                K key)

指定者:

remove 在接口中 Cache<K,V>

remove

public List<V> remove(Collection<K> keys)

指定者:

remove 在接口中 Cache<K,V>

forceEvict

protected abstract List<K> forceEvict(int count)

用于找到将被强制清除的

参数:

count -

返回:

clean

public void clean()

指定者:

clean 在接口中 Cache<K,V>

size

public int size()

指定者:

size 在接口中 Cache<K,V>

toMap

public Map<K,V> toMap()

指定者:

toMap 在接口中 Cache<K,V>

startup

public void startup()

指定者:

startup 在接口中 Lifecycle

shutdown

public void shutdown()

指定者:

shutdown 在接口中 Lifecycle

setTimer

public void setTimer(Timer timer)