org.hibernate.cache.redis.hibernate4.RedisRegionFactory Maven / Gradle / Ivy

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/*
 * Copyright 2002-2015 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.hibernate.cache.redis.hibernate4;

import lombok.extern.slf4j.Slf4j;
import org.hibernate.cache.CacheException;
import org.hibernate.cache.redis.util.RedisCacheUtil;
import org.hibernate.cfg.Settings;

import java.util.Properties;

/**
 * Hibernate 4.x 2nd Cache Region Factory using Redis
 *
 * @author [email protected]
 */
@Slf4j
public class RedisRegionFactory extends AbstractRedisRegionFactory {

  public RedisRegionFactory(Properties props) {
    super(props);
  }

  @Override
  public void start(Settings settings, Properties properties) throws CacheException {
    log.info("Starting RedisRegionFactory...");

    this.settings = settings;
    try {
      if (redis == null) {
        RedisCacheUtil.loadCacheProperties(properties);
        this.redis = createRedisClient();
        this.cacheTimestamper = createCacheTimestamper(redis, RedisRegionFactory.class.getName());
      }
      log.info("RedisRegionFactory is started");
    } catch (Exception e) {
      log.error("Fail to start RedisRegionFactory.", e);
      throw new CacheException(e);
    }
  }

  @Override
  public void stop() {
    if (redis == null || redis.isShutdown()) return;
    log.debug("Stopping RedisRegionFactory...");

    try {
      redis.shutdown();
      redis = null;
      cacheTimestamper = null;
      log.info("RedisRegionFactory is stopped.");
    } catch (Exception e) {
      log.error("Fail to stop RedisRegionFactory.", e);
      throw new CacheException(e);
    }
  }

  private static final long serialVersionUID = 563532064197800959L;
}