com.apollographql.apollo.cache.normalized.lru

Class LruNormalizedCache

java.lang.Object

com.apollographql.apollo.cache.normalized.NormalizedCache

com.apollographql.apollo.cache.normalized.lru.LruNormalizedCache

public final class LruNormalizedCache
extends NormalizedCache

A NormalizedCache backed by an in memory Cache. Can be configured with an optional secondaryCache NormalizedCache, which will be used as a backup if a Record is not present in the primary cache. A common configuration is to have secondary SQL cache.

Method Summary

Modifier and Type	Method and Description
void	clearAll() Clears all records from the cache.
Record	loadRecord(java.lang.String key, CacheHeaders cacheHeaders)
protected java.util.Set<java.lang.String>	performMerge(Record apolloRecord, CacheHeaders cacheHeaders)
boolean	remove(CacheKey cacheKey) Remove cached record by the key

Methods inherited from class com.apollographql.apollo.cache.normalized.NormalizedCache

chain, loadRecords, merge, merge, nextCache

Methods inherited from class java.lang.Object

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

Method Detail

loadRecord

@Nullable
public Record loadRecord(@Nonnull
                                   java.lang.String key,
                                   @Nonnull
                                   CacheHeaders cacheHeaders)

Specified by:

loadRecord in class NormalizedCache

Parameters:

key - The key of the record to read.

cacheHeaders - The cache headers associated with the request which generated this record.

Returns:

The Record for key. If not present return null.

clearAll

public void clearAll()

Description copied from class: NormalizedCache

Clears all records from the cache. Clients should call ApolloClient.clearNormalizedCache() for a thread-safe access to this method.

Specified by:

clearAll in class NormalizedCache

remove

public boolean remove(@Nonnull
                      CacheKey cacheKey)

Description copied from class: NormalizedCache

Remove cached record by the key

Specified by:

remove in class NormalizedCache

Parameters:

cacheKey - of record to be removed

Returns:

true if record with such key was successfully removed, false otherwise

performMerge

@Nonnull
protected java.util.Set<java.lang.String> performMerge(@Nonnull
                                                                Record apolloRecord,
                                                                @Nonnull
                                                                CacheHeaders cacheHeaders)

Specified by:

performMerge in class NormalizedCache