| // Copyright (C) 2021 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.googlesource.gerrit.modules.cache.chroniclemap; |
| |
| import com.google.common.cache.CacheStats; |
| import com.google.errorprone.annotations.CompatibleWith; |
| import com.google.gerrit.common.Nullable; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ExecutionException; |
| |
| interface InMemoryCache<K, V> { |
| |
| @Nullable |
| TimedValue<V> getIfPresent(@CompatibleWith("K") Object key); |
| |
| TimedValue<V> get(K key) throws ExecutionException; |
| |
| TimedValue<V> get(K key, Callable<? extends TimedValue<V>> valueLoader) throws Exception; |
| |
| void put(K key, TimedValue<V> value); |
| |
| void invalidate(@CompatibleWith("K") Object key); |
| |
| boolean isLoadingCache(); |
| |
| void refresh(K key); |
| |
| CacheStats stats(); |
| |
| long size(); |
| |
| void invalidateAll(); |
| } |