blob: 03b0c8fd32571f6cf99e8f9f943307113f4778e1 [file] [log] [blame]
/*
* 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);
}
}
}