Package org.infinispan.api.reactive

Interface KeyValueStore<K,​V>

  • @Experimental
public interface KeyValueStore<K,​V>
    A Reactive Key Value Store provides a highly concurrent and distributed data structure, non blocking and using reactive streams.

    Since:
    10.0
    Author:
    Katia Aresti, karesti@redhat.com
    See Also:
    Infinispan documentation

    • Method Detail

      • get

        CompletionStage<V> get​(K key)
        Get the value of the Key if such exists
        Parameters:
        key -
        Returns:
        the value

      • insert

        CompletionStage<Boolean> insert​(K key,
                                V value)
        Insert the key/value if such key does not exist
        Parameters:
        key -
        value -
        Returns:
        Void

      • save

        CompletionStage<Void> save​(K key,
                           V value)
        Save the key/value. If the key exists will replace the value
        Parameters:
        key -
        value -
        Returns:
        Void

      • keys

        org.reactivestreams.Publisher<K> keys()
        Retrieve all keys
        Returns:
        Publisher

      • entries

        org.reactivestreams.Publisher<? extends Map.Entry<K,​V>> entries()
        Retrieve all entries
        Returns:

      • saveMany

        org.reactivestreams.Publisher<WriteResult<K>> saveMany​(org.reactivestreams.Publisher<Map.Entry<K,​V>> pairs)
        Save many from a Publisher
        Parameters:
        pairs -
        Returns:
        Void

      • estimateSize

        CompletionStage<Long> estimateSize()
        Estimate the size of the store
        Returns:
        Long, estimated size

      • clear

        CompletionStage<Void> clear()
        Clear the store. If a concurrent operation puts data in the store the clear might not properly work
        Returns:
        Void

      • find

        org.reactivestreams.Publisher<KeyValueEntry<K,​V>> find​(String ickleQuery)
        Executes the query and returns a reactive streams Publisher with the results
        Parameters:
        ickleQuery - query String
        Returns:
        Publisher reactive streams

      • find

        org.reactivestreams.Publisher<KeyValueEntry<K,​V>> find​(QueryRequest queryRequest)
        Find by QueryRequest.
        Parameters:
        queryRequest -
        Returns:

      • findContinuously

        org.reactivestreams.Publisher<KeyValueEntry<K,​V>> findContinuously​(String ickleQuery)
        Executes the query and returns a reactive streams Publisher with the results
        Parameters:
        ickleQuery - query String
        Returns:
        Publisher reactive streams

      • findContinuously

        <T> org.reactivestreams.Publisher<KeyValueEntry<K,​T>> findContinuously​(QueryRequest queryRequest)
        Executes the query and returns a reactive streams Publisher with the results
        Parameters:
        queryRequest -
        Returns:
        Publisher reactive streams