com.squareup.picasso

Class LruCache

java.lang.Object

com.squareup.picasso.LruCache

All Implemented Interfaces:

Cache

public final class LruCache
extends java.lang.Object
implements Cache

A memory cache which uses a least-recently used eviction policy.

Field Summary

Fields inherited from interface com.squareup.picasso.Cache

NONE

Constructor Summary

Constructors

Constructor and Description
LruCache(android.content.Context context) Create a cache using an appropriate portion of the available RAM as the maximum size.
LruCache(int maxByteCount) Create a cache with a given maximum size in bytes.

Method Summary

Modifier and Type	Method and Description
void	clear() Clears the cache.
void	clearKeyUri(java.lang.String uri) Remove items whose key is prefixed with keyPrefix.
int	evictionCount() Returns the number of values that have been evicted.
android.graphics.Bitmap	get(java.lang.String key) Retrieve an image for the specified key or null.
int	hitCount() Returns the number of times get(java.lang.String) returned a value.
int	maxSize() Returns the maximum size in bytes that the cache can hold.
int	missCount() Returns the number of times get(java.lang.String) returned null.
int	putCount() Returns the number of times set(String, Bitmap) was called.
void	set(java.lang.String key, android.graphics.Bitmap bitmap) Store an image in the cache for the specified key.
int	size() Returns the current size of the cache in bytes.

Methods inherited from class java.lang.Object

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

Constructor Detail

LruCache

public LruCache(android.content.Context context)

Create a cache using an appropriate portion of the available RAM as the maximum size.

LruCache

public LruCache(int maxByteCount)

Create a cache with a given maximum size in bytes.

Method Detail

get

public android.graphics.Bitmap get(java.lang.String key)

Description copied from interface: Cache

Retrieve an image for the specified key or null.

Specified by:

get in interface Cache

set

public void set(java.lang.String key,
                android.graphics.Bitmap bitmap)

Description copied from interface: Cache

Store an image in the cache for the specified key.

Specified by:

set in interface Cache

size

public int size()

Description copied from interface: Cache

Returns the current size of the cache in bytes.

Specified by:

size in interface Cache

maxSize

public int maxSize()

Description copied from interface: Cache

Returns the maximum size in bytes that the cache can hold.

Specified by:

maxSize in interface Cache

clear

public void clear()

Description copied from interface: Cache

Clears the cache.

Specified by:

clear in interface Cache

clearKeyUri

public void clearKeyUri(java.lang.String uri)

Description copied from interface: Cache

Remove items whose key is prefixed with keyPrefix.

Specified by:

clearKeyUri in interface Cache

hitCount

public int hitCount()

Returns the number of times get(java.lang.String) returned a value.

missCount

public int missCount()

Returns the number of times get(java.lang.String) returned null.

putCount

public int putCount()

Returns the number of times set(String, Bitmap) was called.

evictionCount

public int evictionCount()

Returns the number of values that have been evicted.