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/*
* Copyright 2015-2020 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.core;
import org.springframework.dao.DataAccessException;
import org.springframework.data.redis.connection.RedisClusterConnection;
import org.springframework.lang.Nullable;
/**
* Callback interface for low level operations executed against a clustered Redis environment.
*
* @author Christoph Strobl
* @since 1.7
* @param
*/
public interface RedisClusterCallback {
/**
* Gets called by {@link RedisClusterTemplate} with an active Redis connection. Does not need to care about activating
* or closing the connection or handling exceptions.
*
* @param connection never {@literal null}.
* @return
* @throws DataAccessException
*/
@Nullable
T doInRedis(RedisClusterConnection connection) throws DataAccessException;
}