| /* |
| * Copyright 2018 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.core.database; |
| |
| import android.database.CursorWindow; |
| import android.os.Build; |
| |
| import androidx.annotation.DoNotInline; |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| import androidx.annotation.RequiresApi; |
| |
| /** |
| * Helper for accessing features in {@link CursorWindow} |
| */ |
| public final class CursorWindowCompat { |
| |
| private CursorWindowCompat() { |
| // This class is not instantiable. |
| } |
| |
| /** |
| * Creates a CursorWindow of the specified size. |
| * <p> |
| * Prior to Android P, this method will return a CursorWindow of size defined by the platform. |
| */ |
| @SuppressWarnings("deprecation") |
| @NonNull |
| public static CursorWindow create(@Nullable String name, long windowSizeBytes) { |
| if (Build.VERSION.SDK_INT >= 28) { |
| return Api28Impl.createCursorWindow(name, windowSizeBytes); |
| } else if (Build.VERSION.SDK_INT >= 15) { |
| return Api15Impl.createCursorWindow(name); |
| } else { |
| return new CursorWindow(false); |
| } |
| } |
| |
| @RequiresApi(28) |
| static class Api28Impl { |
| private Api28Impl() { |
| // This class is not instantiable. |
| } |
| |
| @DoNotInline |
| static CursorWindow createCursorWindow(String name, long windowSizeBytes) { |
| return new CursorWindow(name, windowSizeBytes); |
| } |
| } |
| |
| @RequiresApi(15) |
| static class Api15Impl { |
| private Api15Impl() { |
| // This class is not instantiable. |
| } |
| |
| @DoNotInline |
| static CursorWindow createCursorWindow(String name) { |
| return new CursorWindow(name); |
| } |
| } |
| } |