Package org.apache.kafka.streams.state
package org.apache.kafka.streams.state
-
ClassDescriptionRepresents a user defined endpoint in a
KafkaStreams
application.A store supplier that can be used to create one or moreKeyValueStore<Bytes, byte[]>
instances of type <Bytes, byte[]>.KeyValueIterator<K,V> Iterator interface ofKeyValue
.KeyValueStore<K,V> A key-value store that supports put/get/delete and range queries.Used to enable querying of customStateStore
types via theKafkaStreams
API.Provides access to theQueryableStoreType
s provided withKafkaStreams
.A key-value store that only supports read operations.ReadOnlySessionStore<K,AGG> A session store that only supports read operations.ReadOnlyWindowStore<K,V> A window store that only supports read operations.An interface to that allows developers to customize the RocksDB settings for a given Store.A store supplier that can be used to create one or moreSessionStore<Byte, byte[]>
instances.SessionStore<K,AGG> Interface for storing the aggregated values of sessions.StateSerdes<K,V> Factory for creating serializers / deserializers for state stores in Kafka Streams.StoreBuilder<T extends StateStore>Build aStateStore
wrapped with optional caching and logging.Factory for creating state stores in Kafka Streams.StoreSupplier<T extends StateStore>A state store supplier which can create one or moreStateStore
instances.Deprecated.A key-(value/timestamp) store that supports put/get/delete and range queries.Interface for storing the aggregated values of fixed-size time windows.Combines a value from aKeyValue
with a timestamp.A store supplier that can be used to create one or moreWindowStore<Byte, byte[]>
instances of type <Byte, byte[]>.WindowStore<K,V> Interface for storing the aggregated values of fixed-size time windows.Iterator interface ofKeyValue
with key typedLong
used forWindowStore.fetch(Object, long, long)
andWindowStore.fetch(Object, Instant, Instant)
Users must call itsclose
method explicitly upon completeness to release resources, or use try-with-resources statement (available since JDK7) for thisCloseable
class.
StreamsMetadata