Package org.infinispan.persistence.spi

Interface AdvancedCacheLoader<K,V>

All Superinterfaces:

CacheLoader<K,V>, Lifecycle

All Known Subinterfaces:

AdvancedLoadWriteStore<K,V>, SegmentedAdvancedLoadWriteStore<K,V>

All Known Implementing Classes:

JpaStore

@ThreadSafe
@Deprecated
public interface AdvancedCacheLoader<K,V>
extends CacheLoader<K,V>

Deprecated.

since 11.0 replaced by NonBlockingStore

A specialised extension of the CacheLoader interface that allows processing parallel iteration over the existing entries.

Since:

6.0

Author:

Mircea Markus

Method Summary

Modifier and Type	Method	Description
org.reactivestreams.Publisher<MarshallableEntry<K,V>>	entryPublisher(Predicate<? super K> filter, boolean fetchValue, boolean fetchMetadata)	Deprecated. Publishes all entries from this store.
default org.reactivestreams.Publisher<K>	publishKeys(Predicate<? super K> filter)	Deprecated. Publishes all the keys from this store.
int	size()	Deprecated. Returns the number of elements in the store.

Methods inherited from interface org.infinispan.persistence.spi.CacheLoader

contains, init, isAvailable, loadEntry

Methods inherited from interface org.infinispan.commons.api.Lifecycle

start, stop

Method Detail

size

int size()

Deprecated.

Returns the number of elements in the store.

Throws:

PersistenceException - in case of an error, e.g. communicating with the external storage

publishKeys

default org.reactivestreams.Publisher<K> publishKeys(Predicate<? super K> filter)

Deprecated.

Publishes all the keys from this store. The given publisher can be used by as many Subscribers as desired. Keys are not retrieved until a given Subscriber requests them from the Subscription.

Stores will return only non expired keys

Parameters:

filter - a filter - null is treated as allowing all entries

Returns:

a publisher that will provide the keys from the store

entryPublisher

org.reactivestreams.Publisher<MarshallableEntry<K,V>> entryPublisher(Predicate<? super K> filter,
                                                                           boolean fetchValue,
                                                                           boolean fetchMetadata)

Deprecated.

Publishes all entries from this store. The given publisher can be used by as many Subscribers as desired. Entries are not retrieved until a given Subscriber requests them from the Subscription.

If fetchMetadata is true this store must guarantee to not return any expired entries.

Parameters:

filter - a filter - null is treated as allowing all entries

fetchValue - whether or not to fetch the value from the persistent store. E.g. if the iteration is intended only over the key set, no point fetching the values from the persistent store as well

fetchMetadata - whether or not to fetch the metadata from the persistent store. E.g. if the iteration is intended only ove the key set, then no point fetching the metadata from the persistent store as well

Returns:

a publisher that will provide the entries from the store