Package com.bumptech.glide.load.engine.cache

Class LruResourceCache

java.lang.Object

com.bumptech.glide.util.LruCache<Key,Resource<?>>

com.bumptech.glide.load.engine.cache.LruResourceCache

All Implemented Interfaces:

MemoryCache

public class LruResourceCache
extends LruCache<Key,Resource<?>>
implements MemoryCache

An LRU in memory cache for Resources.

Nested Class Summary

Nested classes/interfaces inherited from interface com.bumptech.glide.load.engine.cache.MemoryCache

MemoryCache.ResourceRemovedListener

Constructor Summary

Constructors

Constructor	Description
LruResourceCache(long size)	Constructor for LruResourceCache.

Method Summary

Modifier and Type	Method	Description
protected int	getSize(Resource<?> item)	Returns the size of a given item, defaulting to one.
protected void	onItemEvicted(Key key, Resource<?> item)	A callback called whenever an item is evicted from the cache.
void	setResourceRemovedListener(MemoryCache.ResourceRemovedListener listener)	Set the listener to be called when a bitmap is removed from the cache.
void	trimMemory(int level)	Trim the memory cache to the appropriate level.

Methods inherited from class com.bumptech.glide.util.LruCache

clearMemory, contains, get, getCount, getCurrentSize, getMaxSize, put, remove, setSizeMultiplier, trimToSize

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.bumptech.glide.load.engine.cache.MemoryCache

clearMemory, getCurrentSize, getMaxSize, put, remove, setSizeMultiplier

Constructor Detail

LruResourceCache

public LruResourceCache(long size)

Constructor for LruResourceCache.

Parameters:

size - The maximum size in bytes the in memory cache can use.

Method Detail

setResourceRemovedListener

public void setResourceRemovedListener(@NonNull
                                       MemoryCache.ResourceRemovedListener listener)

Description copied from interface: MemoryCache

Set the listener to be called when a bitmap is removed from the cache.

Specified by:

setResourceRemovedListener in interface MemoryCache

Parameters:

listener - The listener.

onItemEvicted

protected void onItemEvicted(@NonNull
                             Key key,
                             @Nullable
                             Resource<?> item)

Description copied from class: LruCache

A callback called whenever an item is evicted from the cache. Subclasses can override.

Overrides:

onItemEvicted in class LruCache<Key,Resource<?>>

Parameters:

key - The key of the evicted item.

item - The evicted item.

getSize

protected int getSize(@Nullable
                      Resource<?> item)

Description copied from class: LruCache

Returns the size of a given item, defaulting to one. The units must match those used in the size passed in to the constructor. Subclasses can override this method to return sizes in various units, usually bytes.

Overrides:

getSize in class LruCache<Key,Resource<?>>

Parameters:

item - The item to get the size of.

trimMemory

public void trimMemory(int level)

Description copied from interface: MemoryCache

Trim the memory cache to the appropriate level. Typically called on the callback onTrimMemory.

Specified by:

trimMemory in interface MemoryCache

Parameters:

level - This integer represents a trim level as specified in ComponentCallbacks2.