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

Class MemoryCacheAdapter

java.lang.Object

com.bumptech.glide.load.engine.cache.MemoryCacheAdapter

All Implemented Interfaces:

MemoryCache

public class MemoryCacheAdapter
extends java.lang.Object
implements MemoryCache

A simple class that ignores all puts and returns null for all gets.

Nested Class Summary

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

MemoryCache.ResourceRemovedListener

Constructor Summary

Constructors

Constructor	Description
MemoryCacheAdapter()

Method Summary

Modifier and Type	Method	Description
void	clearMemory()	Evict all items from the memory cache.
long	getCurrentSize()	Returns the sum of the sizes of all the contents of the cache in bytes.
long	getMaxSize()	Returns the current maximum size in bytes of the cache.
Resource<?>	put(Key key, Resource<?> resource)	Add bitmap to the cache with the given key.
Resource<?>	remove(Key key)	Removes the value for the given key and returns it if present or null otherwise.
void	setResourceRemovedListener(MemoryCache.ResourceRemovedListener listener)	Set the listener to be called when a bitmap is removed from the cache.
void	setSizeMultiplier(float multiplier)	Adjust the maximum size of the cache by multiplying the original size of the cache by the given multiplier.
void	trimMemory(int level)	Trim the memory cache to the appropriate level.

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryCacheAdapter

public MemoryCacheAdapter()

Method Detail

getCurrentSize

public long getCurrentSize()

Description copied from interface: MemoryCache

Returns the sum of the sizes of all the contents of the cache in bytes.

Specified by:

getCurrentSize in interface MemoryCache

getMaxSize

public long getMaxSize()

Description copied from interface: MemoryCache

Returns the current maximum size in bytes of the cache.

Specified by:

getMaxSize in interface MemoryCache

setSizeMultiplier

public void setSizeMultiplier(float multiplier)

Description copied from interface: MemoryCache

Adjust the maximum size of the cache by multiplying the original size of the cache by the given multiplier.

If the size multiplier causes the size of the cache to be decreased, items will be evicted until the cache is smaller than the new size.

Specified by:

setSizeMultiplier in interface MemoryCache

Parameters:

multiplier - A size multiplier >= 0.

remove

@Nullable
public Resource<?> remove(@NonNull
                          Key key)

Description copied from interface: MemoryCache

Removes the value for the given key and returns it if present or null otherwise.

Specified by:

remove in interface MemoryCache

Parameters:

key - The key.

put

@Nullable
public Resource<?> put(@NonNull
                       Key key,
                       @Nullable
                       Resource<?> resource)

Description copied from interface: MemoryCache

Add bitmap to the cache with the given key.

Specified by:

put in interface MemoryCache

Parameters:

key - The key to retrieve the bitmap.

resource - The EngineResource to store.

Returns:

The old value of key (null if key is not in map).

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.

clearMemory

public void clearMemory()

Description copied from interface: MemoryCache

Evict all items from the memory cache.

Specified by:

clearMemory in interface MemoryCache

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.