| /* |
| * Copyright (C) 2011 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.media.filterfw; |
| |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| /** |
| * This is a simple LRU cache that is used internally for managing repetitive objects. |
| */ |
| class SimpleCache<K, V> extends LinkedHashMap<K, V> { |
| |
| private int mMaxEntries; |
| |
| public SimpleCache(final int maxEntries) { |
| super(maxEntries + 1, 1f, true); |
| mMaxEntries = maxEntries; |
| } |
| |
| @Override |
| protected boolean removeEldestEntry(final Map.Entry<K, V> eldest) { |
| return super.size() > mMaxEntries; |
| } |
| } |