| /* |
| * 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.dubbo.remoting.redis.jedis; |
| |
| import org.apache.dubbo.common.URL; |
| import org.apache.dubbo.common.logger.Logger; |
| import org.apache.dubbo.common.logger.LoggerFactory; |
| import org.apache.dubbo.common.utils.StringUtils; |
| import org.apache.dubbo.remoting.redis.RedisClient; |
| import org.apache.dubbo.remoting.redis.support.AbstractRedisClient; |
| |
| import redis.clients.jedis.HostAndPort; |
| import redis.clients.jedis.Jedis; |
| import redis.clients.jedis.JedisCluster; |
| import redis.clients.jedis.JedisPool; |
| import redis.clients.jedis.JedisPubSub; |
| |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.regex.Pattern; |
| |
| import static org.apache.dubbo.common.constants.CommonConstants.COMMA_SPLIT_PATTERN; |
| |
| public class ClusterRedisClient extends AbstractRedisClient implements RedisClient { |
| private static final Logger logger = LoggerFactory.getLogger(ClusterRedisClient.class); |
| |
| private static final int DEFAULT_TIMEOUT = 2000; |
| |
| private static final int DEFAULT_SO_TIMEOUT = 2000; |
| |
| private static final int DEFAULT_MAX_ATTEMPTS = 5; |
| |
| private JedisCluster jedisCluster; |
| private Pattern COLON_SPLIT_PATTERN = Pattern.compile("\\s*[:]+\\s*"); |
| |
| public ClusterRedisClient(URL url) { |
| super(url); |
| Set<HostAndPort> nodes = getNodes(url); |
| jedisCluster = new JedisCluster(nodes, url.getParameter("connection.timeout", DEFAULT_TIMEOUT), |
| url.getParameter("so.timeout", DEFAULT_SO_TIMEOUT), url.getParameter("max.attempts", DEFAULT_MAX_ATTEMPTS), |
| url.getPassword(), getConfig()); |
| } |
| |
| @Override |
| public Long hset(String key, String field, String value) { |
| return jedisCluster.hset(key, field, value); |
| } |
| |
| @Override |
| public Long publish(String channel, String message) { |
| return jedisCluster.publish(channel, message); |
| } |
| |
| @Override |
| public boolean isConnected() { |
| Map<String, JedisPool> poolMap = jedisCluster.getClusterNodes(); |
| for (JedisPool jedisPool : poolMap.values()) { |
| Jedis jedis = jedisPool.getResource(); |
| if (jedis.isConnected()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public void destroy() { |
| jedisCluster.close(); |
| } |
| |
| @Override |
| public Long hdel(String key, String... fields) { |
| return jedisCluster.hdel(key, fields); |
| } |
| |
| @Override |
| public Set<String> scan(String pattern) { |
| Map<String, JedisPool> nodes = jedisCluster.getClusterNodes(); |
| Set<String> result = new HashSet<>(); |
| for (JedisPool jedisPool : nodes.values()) { |
| Jedis jedis = jedisPool.getResource(); |
| result.addAll(scan(jedis, pattern)); |
| jedis.close(); |
| } |
| return result; |
| } |
| |
| @Override |
| public Map<String, String> hgetAll(String key) { |
| return jedisCluster.hgetAll(key); |
| } |
| |
| @Override |
| public void psubscribe(JedisPubSub jedisPubSub, String... patterns) { |
| jedisCluster.psubscribe(jedisPubSub, patterns); |
| } |
| |
| @Override |
| public void disconnect() { |
| jedisCluster.close(); |
| } |
| |
| @Override |
| public void close() { |
| jedisCluster.close(); |
| } |
| |
| private Set<HostAndPort> getNodes(URL url) { |
| Set<HostAndPort> hostAndPorts = new HashSet<>(); |
| hostAndPorts.add(new HostAndPort(url.getHost(), url.getPort())); |
| String backupAddresses = url.getBackupAddress(6379); |
| String[] nodes = StringUtils.isEmpty(backupAddresses) ? new String[0] : COMMA_SPLIT_PATTERN.split(backupAddresses); |
| if (nodes.length > 0) { |
| for (String node : nodes) { |
| String[] hostAndPort = COLON_SPLIT_PATTERN.split(node); |
| hostAndPorts.add(new HostAndPort(hostAndPort[0], Integer.valueOf(hostAndPort[1]))); |
| } |
| } |
| return hostAndPorts; |
| } |
| } |