spring-data-redis CacheStatisticsCollector 源码
spring-data-redis CacheStatisticsCollector 代码
文件路径：/src/main/java/org/springframework/data/redis/cache/CacheStatisticsCollector.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;
/**
* The statistics collector supports capturing of relevant {@link RedisCache} operations such as
* {@literal hits & misses}.
*
* @author Christoph Strobl
* @since 2.4
*/
public interface CacheStatisticsCollector extends CacheStatisticsProvider {
/**
* Increase the counter for {@literal put operations} of the given cache.
*
* @param cacheName must not be {@literal null}.
*/
void incPuts(String cacheName);
/**
* Increase the counter for {@literal get operations} of the given cache.
*
* @param cacheName must not be {@literal null}.
*/
void incGets(String cacheName);
/**
* Increase the counter for {@literal get operations with result} of the given cache.
*
* @param cacheName must not be {@literal null}.
*/
void incHits(String cacheName);
/**
* Increase the counter for {@literal get operations without result} of the given cache.
*
* @param cacheName must not be {@literal null}.
*/
void incMisses(String cacheName);
/**
* Increase the counter for {@literal delete operations} of the given cache.
*
* @param cacheName must not be {@literal null}.
*/
default void incDeletes(String cacheName) {
incDeletesBy(cacheName, 1);
}
/**
* Increase the counter for {@literal delete operations} of the given cache by the given value.
*
* @param cacheName must not be {@literal null}.
*/
void incDeletesBy(String cacheName, int value);
/**
* Increase the gauge for {@literal sync lock duration} of the cache by the given nanoseconds.
*
* @param cacheName must not be {@literal null}.
*/
void incLockTime(String cacheName, long durationNS);
/**
* Reset the all counters and gauges of for the given cache.
*
* @param cacheName must not be {@literal null}.
*/
void reset(String cacheName);
/**
* @return a {@link CacheStatisticsCollector} that performs no action.
*/
static CacheStatisticsCollector none() {
return NoOpCacheStatisticsCollector.INSTANCE;
}
/**
* @return a default {@link CacheStatisticsCollector} implementation.
*/
static CacheStatisticsCollector create() {
return new DefaultCacheStatisticsCollector();
}
}
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