final class EventSourcedCleanup extends AnyRef
Java API: Tool for deleting events and/or snapshots for a given list of persistenceIds
without using persistent
actors.
When running an operation with EventSourcedCleanup
that deletes all events for a persistence id, the actor with
that persistence id must not be running! If the actor is restarted it would in that case be recovered to the wrong
state since the stored events have been deleted. Delete events before snapshot can still be used while the actor is
running.
If resetSequenceNumber
is true
then the creating entity with the same persistenceId
will start from 0.
Otherwise it will continue from the latest highest used sequence number.
WARNING: reusing the same persistenceId
after resetting the sequence number should be avoided, since it might be
confusing to reuse the same sequence number for new events.
When a list of persistenceIds
are given they are deleted sequentially in the order of the list. It's possible to
parallelize the deletes by running several cleanup operations at the same time operating on different sets of
persistenceIds
.
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- def cleanupBeforeSnapshot(persistenceIds: List[String]): CompletionStage[Done]
See single persistenceId overload for what is done for each persistence id
- def cleanupBeforeSnapshot(persistenceId: String): CompletionStage[Done]
Deletes all events for the given persistence id from before the snapshot.
Deletes all events for the given persistence id from before the snapshot. The snapshot is not deleted. The event with the same sequence number as the remaining snapshot is deleted.
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- def deleteAll(persistenceIds: List[String], resetSequenceNumber: Boolean): CompletionStage[Done]
Delete everything related to the given list of
persistenceIds
.Delete everything related to the given list of
persistenceIds
. All events and snapshots are deleted. - def deleteAll(persistenceId: String, resetSequenceNumber: Boolean): CompletionStage[Done]
Delete everything related to one single
persistenceId
.Delete everything related to one single
persistenceId
. All events and snapshots are deleted. - def deleteAllEvents(persistenceIds: List[String], resetSequenceNumber: Boolean): CompletionStage[Done]
Delete all events related to the given list of
persistenceIds
.Delete all events related to the given list of
persistenceIds
. Snapshots are not deleted. - def deleteAllEvents(persistenceId: String, resetSequenceNumber: Boolean): CompletionStage[Done]
Delete all events related to one single
persistenceId
.Delete all events related to one single
persistenceId
. Snapshots are not deleted. - def deleteEventsBefore(entityType: String, slice: Int, timestamp: Instant): CompletionStage[Done]
Delete events before a timestamp for the given entityType and slice.
Delete events before a timestamp for the given entityType and slice. Snapshots are not deleted.
This can be useful for
DurableStateBehavior
with change events, where the events are only used for the Projections and not for the recovery of theDurableStateBehavior
state. The timestamp may correspond to the offset timestamp of the Projections, if events are not needed after all Projections have processed them.Be aware of that if all events of a persistenceId are removed the sequence number will start from 1 again if an
EventSourcedBehavior
with the same persistenceId is used again.- entityType
the entity type to delete for
- slice
the slice to delete for
- timestamp
timestamp (exclusive) to delete up to
- def deleteEventsBefore(persistenceId: String, timestamp: Instant): CompletionStage[Done]
Delete events before a timestamp for the given persistence id.
Delete events before a timestamp for the given persistence id. Snapshots are not deleted.
This can be useful for
DurableStateBehavior
with change events, where the events are only used for the Projections and not for the recovery of theDurableStateBehavior
state. The timestamp may correspond to the offset timestamp of the Projections, if events are not needed after all Projections have processed them.Be aware of that if all events of a persistenceId are removed the sequence number will start from 1 again if an
EventSourcedBehavior
with the same persistenceId is used again.- persistenceId
the persistence id to delete for
- timestamp
timestamp (exclusive) to delete up to
- def deleteEventsTo(persistenceId: String, toSequenceNr: Long): CompletionStage[Done]
Delete all events before a sequenceNr for the given persistence id.
Delete all events before a sequenceNr for the given persistence id. Snapshots are not deleted.
- persistenceId
the persistence id to delete for
- toSequenceNr
sequence nr (inclusive) to delete up to
- def deleteSnapshot(persistenceId: String): CompletionStage[Done]
Delete snapshots related to one single
persistenceId
.Delete snapshots related to one single
persistenceId
. Events are not deleted. - def deleteSnapshots(persistenceIds: List[String]): CompletionStage[Done]
Delete all snapshots related to the given list of
persistenceIds
.Delete all snapshots related to the given list of
persistenceIds
. Events are not deleted. - final def eq(arg0: AnyRef): Boolean
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- Deprecated
(Since version 9)