| /* |
| * Copyright 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package androidx.paging |
| |
| import androidx.concurrent.futures.await |
| import com.google.common.util.concurrent.ListenableFuture |
| |
| /** |
| * [ListenableFuture]-based compatibility wrapper around [PagedSource]'s suspending APIs. |
| */ |
| abstract class ListenableFuturePagedSource<Key : Any, Value : Any> : PagedSource<Key, Value>() { |
| /** |
| * Loading API for [PagedSource]. |
| * |
| * Implement this method to trigger your async load (e.g. from database or network). |
| */ |
| abstract fun loadFuture(params: LoadParams<Key>): ListenableFuture<LoadResult<Key, Value>> |
| |
| override suspend fun load(params: LoadParams<Key>): LoadResult<Key, Value> { |
| return loadFuture(params).await() |
| } |
| } |
