Package de.murmelmeister.murmelapi.language

Class LanguageCache

java.lang.Object

de.murmelmeister.murmelapi.language.LanguageCache

All Implemented Interfaces:

RefreshListener, AutoCloseable

public class LanguageCache
extends Object
implements RefreshListener, AutoCloseable

LanguageCache provides a Caffeine-backed cache for language lookups by id and language code.

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	ALL_KEY
private final com.github.benmanes.caffeine.cache.LoadingCache<Integer,Language>	cacheById
private final com.github.benmanes.caffeine.cache.LoadingCache<String,Integer>	codeToId
private final de.murmelmeister.library.database.Database	database
private final com.github.benmanes.caffeine.cache.LoadingCache<String,List<Language>>	listCache
private final String	tableName

Constructor Summary

Constructors

Constructor	Description
LanguageCache(de.murmelmeister.library.database.Database database, String tableName, long cacheCapacity)

Method Summary

Modifier and Type	Method	Description
void	clear()
void	close()
Language	getByCode(String code)
Language	getById(int id)
List<Language>	getCachedLanguages()
private List<Language>	loadAllFromDatabase()
private Integer	loadByCodeKey(String key)
private Language	loadById(int id)
void	onRefresh(RefreshEvent<?> event)
void	put(Language language)
private void	refreshAll()
private void	refreshSingle(int id)
void	remove(int id)
private static String	toKey(String code)

Methods inherited from class java.lang.Object

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

Field Details

ALL_KEY

private static final String ALL_KEY

See Also:

• Constant Field Values

database

private final de.murmelmeister.library.database.Database database

tableName

private final String tableName

cacheById

private final com.github.benmanes.caffeine.cache.LoadingCache<Integer,Language> cacheById

codeToId

private final com.github.benmanes.caffeine.cache.LoadingCache<String,Integer> codeToId

listCache

private final com.github.benmanes.caffeine.cache.LoadingCache<String,List<Language>> listCache

Constructor Details

LanguageCache

public LanguageCache(de.murmelmeister.library.database.Database database,
 String tableName,
 long cacheCapacity)

Method Details

onRefresh

public void onRefresh(RefreshEvent<?> event)

Specified by:

onRefresh in interface RefreshListener

close

public void close()

Specified by:

close in interface AutoCloseable

refreshAll

private void refreshAll()

refreshSingle

private void refreshSingle(int id)

loadAllFromDatabase

private List<Language> loadAllFromDatabase()

loadByCodeKey

private Integer loadByCodeKey(String key)

loadById

private Language loadById(int id)

getById

public Language getById(int id)

getByCode

public Language getByCode(String code)

put

public void put(Language language)

remove

public void remove(int id)

clear

public void clear()

getCachedLanguages

public List<Language> getCachedLanguages()

toKey

private static String toKey(String code)