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/*
* Copyright 2015 Ben Manes. All Rights Reserved.
*
* 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.
*/
/**
* This package contains in-memory caching functionality. All cache variants are configured and
* created using the {@link com.github.benmanes.caffeine.cache.Caffeine} builder.
*
* A {@link com.github.benmanes.caffeine.cache.Cache} provides similar characteristics to
* {@link java.util.concurrent.ConcurrentHashMap}, with additional support for policies to bound the
* map. When built with a {@link com.github.benmanes.caffeine.cache.CacheLoader}, the
* {@link com.github.benmanes.caffeine.cache.LoadingCache} variant allows the cache to populate
* itself on a miss and offers refresh capabilities.
*
* A {@link com.github.benmanes.caffeine.cache.AsyncCache} is similar to a
* {@link com.github.benmanes.caffeine.cache.Cache}, except that a cache entry holds a
* {@link java.util.concurrent.CompletableFuture} of the value. This entry will be automatically
* removed if the future fails, resolves to {@code null}, or based on an eviction policy. When built
* with a {@link com.github.benmanes.caffeine.cache.AsyncCacheLoader}, the
* {@link com.github.benmanes.caffeine.cache.AsyncLoadingCache} variant allows the cache to populate
* itself on a miss and offers refresh capabilities.
*
* Additional functionality such as bounding by the entry's size, removal notifications, statistics,
* and eviction policies are described in the {@link com.github.benmanes.caffeine.cache.Caffeine}
* builder.
*
* @author [email protected] (Ben Manes)
*/
@CheckReturnValue
@DefaultQualifier(value = NonNull.class, locations = TypeUseLocation.FIELD)
@DefaultQualifier(value = NonNull.class, locations = TypeUseLocation.PARAMETER)
@DefaultQualifier(value = NonNull.class, locations = TypeUseLocation.RETURN)
package com.github.benmanes.caffeine.cache;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.framework.qual.DefaultQualifier;
import org.checkerframework.framework.qual.TypeUseLocation;
import com.google.errorprone.annotations.CheckReturnValue;