LruCache

open class LruCache<T, Y>

A general purpose size limited cache that evicts items using an LRU algorithm. By default every item is assumed to have a size of one. Subclasses can override getSize} to change the size on a per item basis.

Parameters

<T>

The type of the keys.

<Y>

The type of the values.

Constructors

LruCache

open fun LruCache(size: Long)

Constructor for LruCache.

Functions

clearMemory

open fun clearMemory()

Clears all items in the cache.

contains

open fun contains(key: T): Boolean

Returns true if there is a value for the given key in the cache.

get

open fun get(key: T): Y

Returns the item in the cache for the given key or null if no such item exists.

put

open fun put(key: T, item: Y): Y

Adds the given item to the cache with the given key and returns any previous entry for the given key that may have already been in the cache.

remove

open fun remove(key: T): Y

Removes the item at the given key and returns the removed item if present, and null otherwise.

setSizeMultiplier

open fun setSizeMultiplier(multiplier: Float)

Sets a size multiplier that will be applied to the size provided in the constructor to put the new size of the cache.

Properties

currentSize

open val currentSize: Long

maxSize

open val maxSize: Long

Inheritors

LruResourceCache