SectionedResultsChange

@frozen
public enum SectionedResultsChange<Collection>

A SectionedResultsChange value encapsulates information about changes to sectioned results that are reported by Realm notifications.

The first time a notification is delivered it will be .initial, and all subsequent notifications will be .change() with information about what has changed since the last time the callback was invoked. }

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  • .initial indicates that the initial run of the query has completed (if applicable), and the collection can now be used without performing any blocking work.

    Declaration

    Swift

    case initial(Collection)
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  • .update indicates that a write transaction has been committed which either changed which objects are in the collection, and/or modified one or more of the objects in the collection.

    All three of the change arrays are always sorted in ascending order.

    Declaration

    Swift

    case update(Collection, deletions: [IndexPath], insertions: [IndexPath], modifications: [IndexPath],
            sectionsToInsert: IndexSet, sectionsToDelete: IndexSet)

    Parameters

    deletions

    The indexPaths in the previous version of the collection which were removed from this one.
    insertions

    The indexPaths in the new collection which were added in this version.
    modifications

    The indexPaths of the objects which were modified in the previous version of this collection.
    sectionsToInsert

    The indexSet of the sections which were newly inserted into the sectioned results collection.
    sectionsToDelete

    The indexSet of the sections which were recently deleted from the previous sectioned results collection.
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