spring-data-redis BatchStrategy 源码
spring-data-redis BatchStrategy 代码
文件路径：/src/main/java/org/springframework/data/redis/cache/BatchStrategy.java
/*
* Copyright 2021-2022 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;
import org.springframework.data.redis.connection.RedisConnection;
/**
* A {@link BatchStrategy} to be used with {@link RedisCacheWriter}.
* <p>
* Mainly used to clear the cache.
* <p>
* Predefined strategies using the {@link BatchStrategies#keys() KEYS} or {@link BatchStrategies#scan(int) SCAN}
* commands can be found in {@link BatchStrategies}.
*
* @author Mark Paluch
* @author Christoph Strobl
* @since 2.6
*/
public interface BatchStrategy {
/**
* Remove all keys following the given pattern.
*
* @param connection the connection to use. Must not be {@literal null}.
* @param name The cache name. Must not be {@literal null}.
* @param pattern The pattern for the keys to remove. Must not be {@literal null}.
* @return number of removed keys.
*/
long cleanCache(RedisConnection connection, String name, byte[] pattern);
}
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