Package org.openrefine.history

Class Summary

Class	Description
History	Track done and undone changes.
History.Step	A step in the history, which is a Grid with associated metadata.
HistoryEntry	A record of applying an operation on the project at a point in time.
HistoryEntryManager	A utility class to load and save project histories.
HistoryEntryManager.Metadata	Utility class to help with Jackson deserialization
OperationApplicationResult	Result of the application of an operation, which can either succeed in adding a new history entry to the project, or fail with an error.

Enum Summary

Enum	Description
GridPreservation	Metadata encoding the properties of an Operation, to characterize how it transforms the grid.