Package org.axonframework.eventsourcing

package org.axonframework.eventsourcing

Classes related to event sourcing. This includes repositories that use event stores to store and load events, as well as the aggregates that support state reconstruction based on event streams.

Related Packages

Package	Description
org.axonframework.eventsourcing.conflictresolution
org.axonframework.eventsourcing.eventstore	Definitions and implementations of the Event store, the mechanism that can load event streams and append events to them.
org.axonframework.eventsourcing.snapshotting

Class	Description
AbstractAggregateFactory<T>	Abstract AggregateFactory implementation that is aware of snapshot events.
AbstractSnapshotter	Abstract implementation of the Snapshotter that uses a task executor to creates snapshots.
AbstractSnapshotter.Builder	Abstract Builder class to instantiate AbstractSnapshotter implementations.
AbstractSnapshotTrigger	Abstract implementation of the SnapshotTrigger that schedules snapshots on the Unit of Work.
AggregateCacheEntry<T>
AggregateDeletedException	Special case of the AggregateNotFoundException that indicates that historic information of an aggregate was found, but the aggregate has been deleted.
AggregateFactory<T>	Interface describing objects capable of creating instances of aggregates to be initialized with an event stream.
AggregateLoadTimeSnapshotTriggerDefinition	A Snapshotter trigger mechanism which based on the loading time of an Aggregate decides when to trigger the creation of a snapshot.
AggregateSnapshotter	Implementation of a snapshotter that uses the actual aggregate and its state to create a snapshot event.
AggregateSnapshotter.Builder	Builder class to instantiate a AggregateSnapshotter.
CachingEventSourcingRepository<T>	Implementation of the event sourcing repository that uses a cache to improve loading performance.
DefaultSnapshotterSpanFactory	Default implementation of the SnapshotterSpanFactory.
DefaultSnapshotterSpanFactory.Builder	Builder class to instantiate a DefaultSnapshotterSpanFactory.
EventCountSnapshotTriggerDefinition	Snapshotter trigger mechanism that counts the number of events to decide when to create a snapshot.
EventSourcedAggregate<T>	Implementation of an Aggregate that is sourced from events that have been published by the aggregate.
EventSourcingHandler	Annotation that marks a method in an Aggregate (either the root, or an entity) as a handler for Events generated by that aggregate.
EventSourcingRepository<T>	Abstract repository implementation that allows easy implementation of an Event Sourcing mechanism.
EventSourcingRepository.Builder<T>	Builder class to instantiate a EventSourcingRepository.
EventStreamUtils	Utility class for dealing with event streams.
FilteringEventStorageEngine	Implementation of EventStorageEngine that delegates to another implementation, while filtering events as they are appended.
GenericAggregateFactory<T>	Aggregate factory that uses a convention to create instances of aggregates.
IncompatibleAggregateException	Exception indicating that an aggregate was not compatible with the requirements of the GenericAggregateFactory.
MultiStreamableMessageSource	Deprecated. In favor of MultiStreamableMessageSource.
MultiStreamableMessageSource.Builder	Deprecated. In favor of MultiStreamableMessageSource.Builder.
NoSnapshotTriggerDefinition	Implementation of SnapshotTriggerDefinition that doesn't trigger snapshots at all.
Snapshotter	Interface describing instances that are capable of creating snapshot events for aggregates.
SnapshotterSpanFactory	Span factory that creates spans for the Snapshotter.
SnapshotTrigger	Interface describing a mechanism that keeps track of an Aggregate's activity in order to trigger a snapshot.
SnapshotTriggerDefinition	Interface describing the mechanism for triggering Snapshots.