| /* |
| * Copyright 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 androidx.widget.recyclerview.selection; |
| |
| import android.support.annotation.NonNull; |
| |
| /** |
| * Subclass of {@link Selection} exposing public support for mutating the underlying |
| * selection data. This is useful for clients of {@link SelectionTracker} that wish to |
| * manipulate a copy of selection data obtained via |
| * {@link SelectionTracker#copySelection(Selection)}. |
| * |
| * @param <K> Selection key type. @see {@link StorageStrategy} for supported types. |
| */ |
| public final class MutableSelection<K> extends Selection<K> { |
| |
| @Override |
| public boolean add(@NonNull K key) { |
| return super.add(key); |
| } |
| |
| @Override |
| public boolean remove(@NonNull K key) { |
| return super.remove(key); |
| } |
| |
| @Override |
| public void copyFrom(@NonNull Selection<K> source) { |
| super.copyFrom(source); |
| } |
| |
| @Override |
| public void clear() { |
| super.clear(); |
| } |
| } |