Package org.axonframework.eventsourcing

Classes related to event sourcing.

See: Description

Interface Summary

Interface	Description
AggregateFactory<T>	Interface describing objects capable of creating instances of aggregates to be initialized with an event stream.
DomainEventMessage<T>	Represents a Message that wraps a DomainEvent and an Event representing an important change in the Domain.
Snapshotter	Interface describing instances that are capable of creating snapshot events for aggregates.
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.

Class Summary

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.
AggregateCacheEntry<T>
AggregateSnapshotter	Implementation of a snapshotter that uses the actual aggregate and its state to create a snapshot event.
CachingEventSourcingRepository<T>	Implementation of the event sourcing repository that uses a cache to improve loading performance.
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.
EventSourcingRepository<T>	Abstract repository implementation that allows easy implementation of an Event Sourcing mechanism.
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.
GenericDomainEventMessage<T>	Generic implementation of a DomainEventMessage.
GenericTrackedDomainEventMessage<T>	Generic implementation of a DomainEventMessage that is also a TrackedEventMessage.
SequenceNumberParameterResolverFactory	An extension of the AbstractAnnotatedParameterResolverFactory that accepts parameters of a Long type annotated with the SequenceNumber annotation and assigns the sequenceNumber of the DomainEventMessage.
SequenceNumberParameterResolverFactory.SequenceNumberParameterResolver	ParameterResolver that resolves SequenceNumber parameters

Enum Summary

Enum	Description
NoSnapshotTriggerDefinition	Implementation of SnapshotTriggerDefinition that doesn't trigger snapshots at all.

Exception Summary

Exception	Description
AggregateDeletedException	Special case of the AggregateNotFoundException that indicates that historic information of an aggregate was found, but the aggregate has been deleted.
IncompatibleAggregateException	Exception indicating that an aggregate was not compatible with the requirements of the GenericAggregateFactory.

Annotation Types Summary

Annotation Type	Description
EventSourcingHandler	Annotation that marks a method in an Aggregate (either the root, or an entity) as a handler for Events generated by that aggregate.
SequenceNumber	Annotation indicating that a parameter on an Event Handler method should be injected with the SequenceNumber of a DomainEventMessage.

Package org.axonframework.eventsourcing Description

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.