Notify callback when an aggregate is loaded that needs a new snapshot #497
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This allows the user of Sequent to take a snapshot of the aggregate and store it. You can take the snapshot from the passed in aggregate but must store the snapshot in the same transaction, otherwise non-committed events might be part of the snapshot. Another option is to reload the aggregate for snapshotting using a separate transaction (for example, using a background job).
In case snapshots are created concurrently (due to notifications when loading an aggregate) the last one created should overwrite any older versions. This may also help when a snapshot is corrupted and a newer snapshot is created, although in this case it is better to delete the corrupted snapshot first.
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December 12, 2025 08:01
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This allows the user of Sequent to take a snapshot of the aggregate and store it.
You can take the snapshot from the passed in aggregate but must store the snapshot in the same transaction, otherwise non-committed events might be part of the snapshot.
Another option is to reload the aggregate for snapshotting using a separate transaction (for example, using a background job).