Package org.aksw.commons.rx.lookup

Class LookupServiceCacheMem<K,V>

java.lang.Object

org.aksw.commons.rx.lookup.LookupServiceCacheMem<K,V>

Type Parameters:

K -

V -

All Implemented Interfaces:

Function<Iterable<K>,io.reactivex.rxjava3.core.Flowable<Map.Entry<K,V>>>, LookupService<K,V>

public class LookupServiceCacheMem<K,V>
extends Object
implements LookupService<K,V>

A cache for already retrieved values. This is not a cache for requests.

Author:

raven

Field Summary

Fields

Modifier and Type	Field	Description
protected com.google.common.cache.Cache<K,Optional<V>>	hitCache
protected com.google.common.cache.Cache<K,Object>	missCache

Constructor Summary

Constructors

Constructor	Description
LookupServiceCacheMem(LookupService<K,V> base)
LookupServiceCacheMem(LookupService<K,V> base, long maxCacheSize)
LookupServiceCacheMem(LookupService<K,V> base, com.google.common.cache.Cache<K,Optional<V>> cache, com.google.common.cache.Cache<K,Object> missCache)

Method Summary

Modifier and Type	Method	Description
io.reactivex.rxjava3.core.Flowable<Map.Entry<K,V>>	apply(Iterable<K> keys)
static <K, V> LookupServiceCacheMem<K,V>	create(LookupService<K,V> base)
static <K, V> LookupServiceCacheMem<K,V>	create(LookupService<K,V> base, int maxCacheSize)
static <K, V> LookupServiceCacheMem<K,V>	create(LookupService<K,V> base, com.google.common.cache.Cache<K,Optional<V>> hitCache, com.google.common.cache.Cache<K,Object> missCache)
Map<K,V>	fetchMap(Iterable<K> keys)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Function

andThen, compose

Methods inherited from interface org.aksw.commons.rx.lookup.LookupService

cache, cache, defaultForAbsentKeys, fetchItem, fetchList, fetchMap, filterKeys, mapKeys, mapNonNullValues, mapNonNullValues, mapValues, mapValues, partition, requestList, requestMap

Field Details

hitCache

protected com.google.common.cache.Cache<K,Optional<V>> hitCache

missCache

protected com.google.common.cache.Cache<K,Object> missCache

Constructor Details

LookupServiceCacheMem

public LookupServiceCacheMem(LookupService<K,V> base)

LookupServiceCacheMem

public LookupServiceCacheMem(LookupService<K,V> base,
 long maxCacheSize)

LookupServiceCacheMem

public LookupServiceCacheMem(LookupService<K,V> base,
 com.google.common.cache.Cache<K,Optional<V>> cache,
 com.google.common.cache.Cache<K,Object> missCache)

Method Details

fetchMap

public Map<K,V> fetchMap(Iterable<K> keys)

Specified by:

fetchMap in interface LookupService<K,V>

apply

public io.reactivex.rxjava3.core.Flowable<Map.Entry<K,V>> apply(Iterable<K> keys)

Specified by:

apply in interface Function<K,V>

create

public static <K,
V> LookupServiceCacheMem<K,V> create(LookupService<K,V> base)

create

public static <K,
V> LookupServiceCacheMem<K,V> create(LookupService<K,V> base,
 int maxCacheSize)

create

public static <K,
V> LookupServiceCacheMem<K,V> create(LookupService<K,V> base,
 com.google.common.cache.Cache<K,Optional<V>> hitCache,
 com.google.common.cache.Cache<K,Object> missCache)