Package software.amazon.awssdk.utils.cache

Class FifoCache<T>

java.lang.Object

software.amazon.awssdk.utils.cache.FifoCache<T>

Type Parameters:

T - value type

@ThreadSafe
@SdkProtectedApi
public final class FifoCache<T>
extends Object

A bounded cache that has a FIFO eviction policy when the cache is full.

Constructor Summary

Constructors

Constructor	Description
FifoCache(int maxSize)

Method Summary

Modifier and Type	Method	Description
T	add(String key, T value)	Adds an entry to the cache, evicting the earliest entry if necessary.
T	get(String key)	Returns the value of the given key; or null of no such entry exists.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

FifoCache

public FifoCache(int maxSize)

Parameters:

maxSize - the maximum number of entries of the cache

Method Details

add

public T add(String key,
 T value)

Adds an entry to the cache, evicting the earliest entry if necessary.

get

public T get(String key)

Returns the value of the given key; or null of no such entry exists.

toString

public String toString()

Overrides:

toString in class Object