org.apache.sling.graphql.core.cache

Class SimpleGraphQLCacheProvider

java.lang.Object

org.apache.sling.graphql.core.cache.SimpleGraphQLCacheProvider

All Implemented Interfaces:

GraphQLCacheProvider

public class SimpleGraphQLCacheProvider
extends Object
implements GraphQLCacheProvider

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	SimpleGraphQLCacheProvider.Config

Constructor Summary

Constructors

Constructor and Description
SimpleGraphQLCacheProvider()

Method Summary

Modifier and Type	Method and Description
@Nullable String	cacheQuery(@NotNull String query, @NotNull String resourceType, @Nullable String selectorString) Stores the query into the cache, potentially overriding a previous value.
@Nullable String	getQuery(@NotNull String hash, @NotNull String resourceType, @Nullable String selectorString) Attempts to retrieve a previously persisted query from the cache.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleGraphQLCacheProvider

public SimpleGraphQLCacheProvider()

Method Detail

getQuery

@Nullable
public @Nullable String getQuery(@NotNull
                                           @NotNull String hash,
                                           @NotNull
                                           @NotNull String resourceType,
                                           @Nullable
                                           @Nullable String selectorString)

Description copied from interface: GraphQLCacheProvider

Attempts to retrieve a previously persisted query from the cache.

Specified by:

getQuery in interface GraphQLCacheProvider

Parameters:

hash - the query's SHA-256 hash

resourceType - the resource type of the GraphQLServlet which will execute the query, since multiple servlets can be registered

selectorString - the selector string with which the GraphQLServlet is registered

Returns:

the query, if found, null otherwise

See Also:

GraphQLCacheProvider.cacheQuery(String, String, String)

cacheQuery

@Nullable
public @Nullable String cacheQuery(@NotNull
                                             @NotNull String query,
                                             @NotNull
                                             @NotNull String resourceType,
                                             @Nullable
                                             @Nullable String selectorString)

Description copied from interface: GraphQLCacheProvider

Stores the query into the cache, potentially overriding a previous value. The method will return the query's SHA-256 hash if the persisting operation was successful. If not, a null value must be returned.

Specified by:

cacheQuery in interface GraphQLCacheProvider

Parameters:

query - the GraphQL query

resourceType - the resource type of the GraphQLServlet which will execute the query, since multiple servlets can be registered

selectorString - the selector string with which the GraphQLServlet is registered

Returns:

the query's SHA-256 hash, if the query was successfully cached; null if the query could not be cached