org.springframework.data.redis.core.SessionCallback Maven / Gradle / Ivy
/*
* Copyright 2011-2018 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
*
* 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.
*/
package org.springframework.data.redis.core;
import org.springframework.dao.DataAccessException;
import org.springframework.lang.Nullable;
/**
* Callback executing all operations against a surrogate 'session' (basically against the same underlying Redis
* connection). Allows 'transactions' to take place through the use of multi/discard/exec/watch/unwatch commands.
*
* @author Costin Leau
*/
public interface SessionCallback {
/**
* Executes all the given operations inside the same session.
*
* @param operations Redis operations
* @return return value
*/
@Nullable
T execute(RedisOperations operations) throws DataAccessException;
}