/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.servicecomb.pack.alpha.fsm.channel.redis;


import org.apache.servicecomb.pack.alpha.core.fsm.channel.MessagePublisher;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.listener.ChannelTopic;

public class RedisMessagePublisher implements MessagePublisher {

  private static final Logger logger = LoggerFactory.getLogger(RedisMessagePublisher.class);

  private RedisTemplate<String, Object> redisTemplate;
  private ChannelTopic channelTopic;

  public RedisMessagePublisher(RedisTemplate<String, Object> redisTemplate, ChannelTopic channelTopic) {
    this.redisTemplate = redisTemplate;
    this.channelTopic = channelTopic;
  }

  @Override
  public void publish(Object data) {
    if(logger.isDebugEnabled()) {
      logger.debug("send message [{}] to [{}]", data, channelTopic.getTopic());
    }
    redisTemplate.convertAndSend(channelTopic.getTopic(), data);

  }
}
