com.bumptech.glide.load.engine.bitmap_recycle

Class LruArrayPool

java.lang.Object

com.bumptech.glide.load.engine.bitmap_recycle.LruArrayPool

All Implemented Interfaces:

ArrayPool

public final class LruArrayPool
extends Object
implements ArrayPool

A fixed size Array Pool that evicts arrays using an LRU strategy to keep the pool under the maximum byte size.

Field Summary

Fields inherited from interface com.bumptech.glide.load.engine.bitmap_recycle.ArrayPool

STANDARD_BUFFER_SIZE_BYTES

Constructor Summary

Constructors

Constructor and Description
LruArrayPool()
LruArrayPool(int maxSize) Constructor for a new pool.

Method Summary

Modifier and Type	Method and Description
void	clearMemory() Clears all arrays from the pool.
<T> T	get(int size, Class<T> arrayClass) Returns a non-null array of the given type with a length >= to the given size.
<T> T	getExact(int size, Class<T> arrayClass) Returns a non-null array of the given type with a length exactly equal to the given size.
<T> void	put(T array) Optionally adds the given array of the given type to the pool.
<T> void	put(T array, Class<T> arrayClass) Deprecated.
void	trimMemory(int level) Trims the size to the appropriate level.

Methods inherited from class java.lang.Object

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

Constructor Detail

LruArrayPool

public LruArrayPool()

LruArrayPool

public LruArrayPool(int maxSize)

Constructor for a new pool.

Parameters:

maxSize - The maximum size in integers of the pool.

Method Detail

put

@Deprecated
public <T> void put(T array,
                                Class<T> arrayClass)

Deprecated.

Description copied from interface: ArrayPool

Optionally adds the given array of the given type to the pool.

Arrays may be ignored, for example if the array is larger than the maximum size of the pool.

Specified by:

put in interface ArrayPool

put

public <T> void put(T array)

Description copied from interface: ArrayPool

Optionally adds the given array of the given type to the pool.

Arrays may be ignored, for example if the array is larger than the maximum size of the pool.

Specified by:

put in interface ArrayPool

getExact

public <T> T getExact(int size,
                      Class<T> arrayClass)

Description copied from interface: ArrayPool

Returns a non-null array of the given type with a length exactly equal to the given size.

If an array of the given size isn't in the pool, a new one will be allocated.

This class makes no guarantees about the contents of the returned array.

Specified by:

getExact in interface ArrayPool

See Also:

ArrayPool.get(int, Class)

get

public <T> T get(int size,
                 Class<T> arrayClass)

Description copied from interface: ArrayPool

Returns a non-null array of the given type with a length >= to the given size.

If an array of the given size isn't in the pool, a new one will be allocated.

This class makes no guarantees about the contents of the returned array.

Specified by:

get in interface ArrayPool

See Also:

ArrayPool.getExact(int, Class)

clearMemory

public void clearMemory()

Description copied from interface: ArrayPool

Clears all arrays from the pool.

Specified by:

clearMemory in interface ArrayPool

trimMemory

public void trimMemory(int level)

Description copied from interface: ArrayPool

Trims the size to the appropriate level.

Specified by:

trimMemory in interface ArrayPool

Parameters:

level - A trim specified in ComponentCallbacks2.