BackgroundSyncHandler class abstract

--- BackgroundSyncHandler --- Contract for a feature-specific background sync implementation. Handles fetching local/remote data and applying bidirectional changes.

clients only depend on methods they use.

  • focused solely on data transfer operations.

Constructors

BackgroundSyncHandler()

Properties

hashCode → int
The hash code for this object.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

applyRemoteChanges(List<SyncPayload<ServerItem>> remoteStates) → Future<ApplyResult>
Apply remote changes to local storage Returns success/failure with detailed errors
fetchRemoteChanges({SyncCheckpoint? checkpoint, required int batchSize}) → Future<SyncBatchResult>
Fetch remote changes for sync with checkpoint-based pagination
getLocallyModified() → Future<List<SyncPayload<LocalItem>>>
Fetch locally modified items that need to be synced Returns items that have changed locally and need to be pushed to server
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
pushLocalChanges(List<SyncPayload<LocalItem>> localStates) → Future<ApplyResult>
Push local changes to remote server Returns success/failure with detailed errors
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited