spring-data-redis CacheStatisticsProvider 源码
spring-data-redis CacheStatisticsProvider 代码
文件路径：/src/main/java/org/springframework/data/redis/cache/CacheStatisticsProvider.java
/*
* Copyright 2020-2022 the original author or authors.
*
* 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
*
* https://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 org.springframework.data.redis.cache;
/**
* Interface to be implemented by objects that expose {@link CacheStatistics} identified by {@code cacheName}. Typically
* used by cache writers.
*
* @author Christoph Strobl
* @author Mark Paluch
* @since 2.4
*/
public interface CacheStatisticsProvider {
/**
* Obtain snapshot of the captured statistics. May return a statistics object whose counters are zero if there are no
* statistics for {@code cacheName}.
*
* @param cacheName must not be {@literal null}.
* @return never {@literal null}.
*/
CacheStatistics getCacheStatistics(String cacheName);
}
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