spring-data-redis RedisTxCommands 源码
spring-data-redis RedisTxCommands 代码
文件路径：/src/main/java/org/springframework/data/redis/connection/RedisTxCommands.java
/*
* Copyright 2011-2022 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.connection;
import java.util.List;
/**
* Transaction/Batch specific commands supported by Redis.
*
* @author Costin Leau
* @author Christoph Strobl
* @author Mark Paluch
*/
public interface RedisTxCommands {
/**
* Mark the start of a transaction block. <br>
* Commands will be queued and can then be executed by calling {@link #exec()} or rolled back using {@link #discard()}
*
* @see <a href="https://redis.io/commands/multi">Redis Documentation: MULTI</a>
*/
void multi();
/**
* Executes all queued commands in a transaction started with {@link #multi()}. <br>
* If used along with {@link #watch(byte[]...)} the operation will fail if any of watched keys has been modified.
*
* @return List of replies for each executed command.
* @see <a href="https://redis.io/commands/exec">Redis Documentation: EXEC</a>
*/
List<Object> exec();
/**
* Discard all commands issued after {@link #multi()}.
*
* @see <a href="https://redis.io/commands/discard">Redis Documentation: DISCARD</a>
*/
void discard();
/**
* Watch given {@code keys} for modifications during transaction started with {@link #multi()}.
*
* @param keys must not be {@literal null}.
* @see <a href="https://redis.io/commands/watch">Redis Documentation: WATCH</a>
*/
void watch(byte[]... keys);
/**
* Flushes all the previously {@link #watch(byte[]...)} keys.
*
* @see <a href="https://redis.io/commands/unwatch">Redis Documentation: UNWATCH</a>
*/
void unwatch();
}
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