InvalidatingPagingSourceFactory

public final class InvalidatingPagingSourceFactory<Key extends Object, Value extends Object>


Wrapper class for PagingSource factory intended for usage in Pager construction. Stores reference to the PagingSource factory and the PagingSources it produces for invalidation when the backing dataset is updated.

Calling invalidate on this InvalidatingPagingSourceFactory will automatically forward invalidate signals to all active PagingSources.

Summary

Public constructors

<Key extends Object, Value extends Object> InvalidatingPagingSourceFactory(
    @NonNull Function0<@NonNull PagingSource<@NonNull Key, @NonNull Value>> pagingSourceFactory
)

Public methods

final void

Calls PagingSource.invalidate on each PagingSource that was produced by this InvalidatingPagingSourceFactory

@NonNull PagingSource<@NonNull Key, @NonNull Value>

Public constructors

InvalidatingPagingSourceFactory

public final <Key extends Object, Value extends Object> InvalidatingPagingSourceFactory(
    @NonNull Function0<@NonNull PagingSource<@NonNull Key, @NonNull Value>> pagingSourceFactory
)
Parameters
@NonNull Function0<@NonNull PagingSource<@NonNull Key, @NonNull Value>> pagingSourceFactory

The PagingSource factory that returns a PagingSource when called

Public methods

invalidate

@NonNull
public final void invalidate()

Calls PagingSource.invalidate on each PagingSource that was produced by this InvalidatingPagingSourceFactory

invoke

@NonNull
public PagingSource<@NonNull Key, @NonNull Value> invoke()
Returns
PagingSource<@NonNull Key, @NonNull Value>

PagingSource which will be invalidated when this factory's invalidate method is called