com.nostra13.universalimageloader.cache.memory.impl

Class UsingFreqLimitedMemoryCache

java.lang.Object

com.nostra13.universalimageloader.cache.memory.BaseMemoryCache

com.nostra13.universalimageloader.cache.memory.LimitedMemoryCache

com.nostra13.universalimageloader.cache.memory.impl.UsingFreqLimitedMemoryCache

All Implemented Interfaces:

MemoryCache

public class UsingFreqLimitedMemoryCache
extends LimitedMemoryCache

Limited bitmap cache. Provides bitmaps storing. Size of all stored bitmaps will not to exceed size limit. When cache reaches limit size then the bitmap which used the least frequently is deleted from cache.

NOTE: This cache uses strong and weak references for stored Bitmaps. Strong references - for limited count of Bitmaps (depends on cache size), weak references - for all other cached Bitmaps.

Since:

1.0.0

Author:

Sergey Tarasevich (nostra13[at]gmail[dot]com)

Constructor Summary

Constructors

Constructor and Description
UsingFreqLimitedMemoryCache(int sizeLimit)

Method Summary

Methods

Modifier and Type	Method and Description
void	clear() Remove all items from cache
protected Reference<android.graphics.Bitmap>	createReference(android.graphics.Bitmap value) Creates not strong reference of value
android.graphics.Bitmap	get(String key) Returns value by key.
protected int	getSize(android.graphics.Bitmap value)
boolean	put(String key, android.graphics.Bitmap value) Puts value into cache by key
android.graphics.Bitmap	remove(String key) Removes item by key
protected android.graphics.Bitmap	removeNext()

Methods inherited from class com.nostra13.universalimageloader.cache.memory.LimitedMemoryCache

getSizeLimit

Methods inherited from class com.nostra13.universalimageloader.cache.memory.BaseMemoryCache

keys

Methods inherited from class java.lang.Object

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

Constructor Detail

UsingFreqLimitedMemoryCache

public UsingFreqLimitedMemoryCache(int sizeLimit)

Method Detail

put

public boolean put(String key,
          android.graphics.Bitmap value)

Description copied from interface: MemoryCache

Puts value into cache by key

Specified by:

put in interface MemoryCache

Overrides:

put in class LimitedMemoryCache

Returns:

true - if value was put into cache successfully, false - if value was not put into cache

get

public android.graphics.Bitmap get(String key)

Description copied from interface: MemoryCache

Returns value by key. If there is no value for key then null will be returned.

Specified by:

get in interface MemoryCache

Overrides:

get in class BaseMemoryCache

remove

public android.graphics.Bitmap remove(String key)

Description copied from interface: MemoryCache

Removes item by key

Specified by:

remove in interface MemoryCache

Overrides:

remove in class LimitedMemoryCache

clear

public void clear()

Description copied from interface: MemoryCache

Remove all items from cache

Specified by:

clear in interface MemoryCache

Overrides:

clear in class LimitedMemoryCache

getSize

protected int getSize(android.graphics.Bitmap value)

Specified by:

getSize in class LimitedMemoryCache

removeNext

protected android.graphics.Bitmap removeNext()

Specified by:

removeNext in class LimitedMemoryCache

createReference

protected Reference<android.graphics.Bitmap> createReference(android.graphics.Bitmap value)

Description copied from class: BaseMemoryCache

Creates not strong reference of value

Specified by:

createReference in class BaseMemoryCache