net.lecousin.framework.memory

Class SimpleCache<Key,Data>

java.lang.Object

net.lecousin.framework.memory.SimpleCache<Key,Data>

Type Parameters:

Key - type of key

Data - type of cached data

All Implemented Interfaces:

Closeable, AutoCloseable, IMemoryManageable

public class SimpleCache<Key,Data>
extends Object
implements IMemoryManageable, Closeable

A simple cache implementation.

Nested Class Summary

Nested classes/interfaces inherited from interface net.lecousin.framework.memory.IMemoryManageable

IMemoryManageable.FreeMemoryLevel

Constructor Summary

Constructors

Constructor and Description
SimpleCache(String description, Function<Key,Data> provider) Constructor.

Method Summary

Modifier and Type	Method and Description
void	close()
void	freeMemory(IMemoryManageable.FreeMemoryLevel level) Request to free some memory.
Data	get(Key key) Get a data, or create it using the provider.
String	getDescription() Desciption.
List<String>	getItemsDescription() Describe each item that can be freed.
void	remove(Key key) Remove the cached data associated with the given key.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleCache

public SimpleCache(String description,
                   Function<Key,Data> provider)

Constructor.

Method Detail

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

get

public Data get(Key key)

Get a data, or create it using the provider.

remove

public void remove(Key key)

Remove the cached data associated with the given key.

getDescription

public String getDescription()

Description copied from interface: IMemoryManageable

Desciption.

Specified by:

getDescription in interface IMemoryManageable

getItemsDescription

public List<String> getItemsDescription()

Description copied from interface: IMemoryManageable

Describe each item that can be freed.

Specified by:

getItemsDescription in interface IMemoryManageable

freeMemory

public void freeMemory(IMemoryManageable.FreeMemoryLevel level)

Description copied from interface: IMemoryManageable

Request to free some memory.

Specified by:

freeMemory in interface IMemoryManageable