| /* |
| * 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 com.android.systemui.recents.model; |
| |
| import android.util.ArrayMap; |
| |
| import com.android.systemui.shared.recents.model.Task.TaskKey; |
| |
| import com.android.systemui.shared.recents.model.TaskKeyCache; |
| import com.android.systemui.shared.recents.model.TaskKeyLruCache; |
| import java.io.PrintWriter; |
| |
| /** |
| * Like {@link TaskKeyLruCache}, but without LRU functionality. |
| */ |
| public class TaskKeyStrongCache<V> extends TaskKeyCache<V> { |
| |
| private static final String TAG = "TaskKeyCache"; |
| |
| private final ArrayMap<Integer, V> mCache = new ArrayMap<>(); |
| |
| public final void copyEntries(TaskKeyStrongCache<V> other) { |
| for (int i = other.mKeys.size() - 1; i >= 0; i--) { |
| TaskKey key = other.mKeys.valueAt(i); |
| put(key, other.mCache.get(key.id)); |
| } |
| } |
| |
| public void dump(String prefix, PrintWriter writer) { |
| String innerPrefix = prefix + " "; |
| writer.print(prefix); writer.print(TAG); |
| writer.print(" numEntries="); writer.print(mKeys.size()); |
| writer.println(); |
| int keyCount = mKeys.size(); |
| for (int i = 0; i < keyCount; i++) { |
| writer.print(innerPrefix); writer.println(mKeys.get(mKeys.keyAt(i))); |
| } |
| } |
| |
| @Override |
| protected V getCacheEntry(int id) { |
| return mCache.get(id); |
| } |
| |
| @Override |
| protected void putCacheEntry(int id, V value) { |
| mCache.put(id, value); |
| } |
| |
| @Override |
| protected void removeCacheEntry(int id) { |
| mCache.remove(id); |
| } |
| |
| @Override |
| protected void evictAllCache() { |
| mCache.clear(); |
| } |
| } |