| /* |
| * Copyright (C) 2017 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 android.arch.paging; |
| |
| import android.support.annotation.NonNull; |
| import android.support.annotation.Nullable; |
| |
| class SnapshotPagedList<T> extends PagedList<T> { |
| private final boolean mContiguous; |
| private final Object mLastKey; |
| |
| SnapshotPagedList(@NonNull PagedList<T> pagedList) { |
| super(pagedList.mStorage.snapshot(), |
| pagedList.mMainThreadExecutor, |
| pagedList.mBackgroundThreadExecutor, |
| pagedList.mConfig); |
| mContiguous = pagedList.isContiguous(); |
| mLastKey = pagedList.getLastKey(); |
| } |
| |
| @Override |
| public boolean isImmutable() { |
| return true; |
| } |
| |
| @Override |
| public boolean isDetached() { |
| return true; |
| } |
| |
| @Override |
| boolean isContiguous() { |
| return mContiguous; |
| } |
| |
| @Nullable |
| @Override |
| public Object getLastKey() { |
| return mLastKey; |
| } |
| |
| @Override |
| void dispatchUpdatesSinceSnapshot(@NonNull PagedList<T> storageSnapshot, |
| @NonNull Callback callback) { |
| } |
| |
| @Override |
| void loadAroundInternal(int index) { |
| } |
| } |