/*
 * Copyright 2012-2017 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.boot.actuate.metrics.repository.redis;

import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisOperations;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.GenericToStringSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * General Utils for working with Redis.
 *
 * @author Luke Taylor
 */
final class RedisUtils {

	private RedisUtils() {
	}

	static <K, V> RedisTemplate<K, V> createRedisTemplate(
			RedisConnectionFactory connectionFactory, Class<V> valueClass) {
		RedisTemplate<K, V> redisTemplate = new RedisTemplate<>();
		redisTemplate.setKeySerializer(new StringRedisSerializer());
		redisTemplate.setValueSerializer(new GenericToStringSerializer<>(valueClass));

		// avoids proxy
		redisTemplate.setExposeConnection(true);

		redisTemplate.setConnectionFactory(connectionFactory);
		redisTemplate.afterPropertiesSet();
		return redisTemplate;
	}

	static RedisOperations<String, String> stringTemplate(
			RedisConnectionFactory redisConnectionFactory) {
		return new StringRedisTemplate(redisConnectionFactory);
	}

}
