DriftPageProvider<T, C, K> constructor

DriftPageProvider<T, C, K>({
  1. required K onKey(
    1. T
    ),
  2. required C? onCursor(
    1. T?
    ),
  3. FutureOr<List<T>> fetch({
    1. required int after,
    2. K? around,
    3. required int before,
    })?,
  4. FutureOr<Stream<List<T>>> watch({
    1. int? after,
    2. K? around,
    3. int? before,
    })?,
  5. bool watchUpdates(
    1. T a,
    2. T b
    ) = _defaultWatchUpdates,
  6. Future<void> add(
    1. Iterable<T> items, {
    2. bool toView,
    })?,
  7. Future<void> delete(
    1. K key
    )?,
  8. Future<void> reset()?,
  9. bool? isFirst(
    1. T,
    2. int
    )?,
  10. bool? isLast(
    1. T,
    2. int
    )?,
  11. Future<void> onNone(
    1. K key
    )?,
  12. int compare(
    1. T,
    2. T
    )?,
  13. bool fulfilledWhenNone = false,
  14. void onAdded(
    1. T
    )?,
  15. void onRemoved(
    1. T
    )?,
})

Implementation

DriftPageProvider({
  required this.onKey,
  required this.onCursor,
  this.fetch,
  this.watch,
  this.watchUpdates = _defaultWatchUpdates,
  this.add,
  this.delete,
  this.reset,
  this.isFirst,
  this.isLast,
  this.onNone,
  this.compare,
  this.fulfilledWhenNone = false,
  this.onAdded,
  this.onRemoved,
}) : assert(fetch != null || watch != null);