| /* |
| * 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.flink.streaming.connectors.redis.common.config; |
| |
| import org.apache.commons.pool2.impl.GenericObjectPoolConfig; |
| import org.apache.flink.streaming.connectors.redis.common.Util; |
| import redis.clients.jedis.HostAndPort; |
| import redis.clients.jedis.Protocol; |
| |
| import java.net.InetSocketAddress; |
| import java.util.HashSet; |
| import java.util.Objects; |
| import java.util.Set; |
| |
| /** |
| * Configuration for Jedis cluster. |
| */ |
| public class FlinkJedisClusterConfig extends FlinkJedisConfigBase { |
| private static final long serialVersionUID = 1L; |
| |
| private final Set<InetSocketAddress> nodes; |
| private final int maxRedirections; |
| |
| |
| /** |
| * Jedis cluster configuration. |
| * The list of node is mandatory, and when nodes is not set, it throws NullPointerException. |
| * |
| * @param nodes list of node information for JedisCluster |
| * @param connectionTimeout socket / connection timeout. The default is 2000 |
| * @param maxRedirections limit of redirections-how much we'll follow MOVED or ASK |
| * @param maxTotal the maximum number of objects that can be allocated by the pool |
| * @param maxIdle the cap on the number of "idle" instances in the pool |
| * @param minIdle the minimum number of idle objects to maintain in the pool |
| * @throws NullPointerException if parameter {@code nodes} is {@code null} |
| */ |
| private FlinkJedisClusterConfig(Set<InetSocketAddress> nodes, int connectionTimeout, int maxRedirections, |
| int maxTotal, int maxIdle, int minIdle) { |
| super(connectionTimeout, maxTotal, maxIdle, minIdle); |
| |
| Objects.requireNonNull(nodes, "Node information should be presented"); |
| Util.checkArgument(!nodes.isEmpty(), "Redis cluster hosts should not be empty"); |
| this.nodes = new HashSet<>(nodes); |
| this.maxRedirections = maxRedirections; |
| } |
| |
| |
| |
| /** |
| * Returns nodes. |
| * |
| * @return list of node information |
| */ |
| public Set<HostAndPort> getNodes() { |
| Set<HostAndPort> ret = new HashSet<>(); |
| for (InetSocketAddress node : nodes) { |
| ret.add(new HostAndPort(node.getHostName(), node.getPort())); |
| } |
| return ret; |
| } |
| |
| /** |
| * Returns limit of redirection. |
| * |
| * @return limit of redirection |
| */ |
| public int getMaxRedirections() { |
| return maxRedirections; |
| } |
| |
| |
| /** |
| * Builder for initializing {@link FlinkJedisClusterConfig}. |
| */ |
| public static class Builder { |
| private Set<InetSocketAddress> nodes; |
| private int timeout = Protocol.DEFAULT_TIMEOUT; |
| private int maxRedirections = 5; |
| private int maxTotal = GenericObjectPoolConfig.DEFAULT_MAX_TOTAL; |
| private int maxIdle = GenericObjectPoolConfig.DEFAULT_MAX_IDLE; |
| private int minIdle = GenericObjectPoolConfig.DEFAULT_MIN_IDLE; |
| |
| /** |
| * Sets list of node. |
| * |
| * @param nodes list of node |
| * @return Builder itself |
| */ |
| public Builder setNodes(Set<InetSocketAddress> nodes) { |
| this.nodes = nodes; |
| return this; |
| } |
| |
| /** |
| * Sets socket / connection timeout. |
| * |
| * @param timeout socket / connection timeout, default value is 2000 |
| * @return Builder itself |
| */ |
| public Builder setTimeout(int timeout) { |
| this.timeout = timeout; |
| return this; |
| } |
| |
| /** |
| * Sets limit of redirection. |
| * |
| * @param maxRedirections limit of redirection, default value is 5 |
| * @return Builder itself |
| */ |
| public Builder setMaxRedirections(int maxRedirections) { |
| this.maxRedirections = maxRedirections; |
| return this; |
| } |
| |
| /** |
| * Sets value for the {@code maxTotal} configuration attribute |
| * for pools to be created with this configuration instance. |
| * |
| * @param maxTotal maxTotal the maximum number of objects that can be allocated by the pool, default value is 8 |
| * @return Builder itself |
| */ |
| public Builder setMaxTotal(int maxTotal) { |
| this.maxTotal = maxTotal; |
| return this; |
| } |
| |
| /** |
| * Sets value for the {@code maxIdle} configuration attribute |
| * for pools to be created with this configuration instance. |
| * |
| * @param maxIdle the cap on the number of "idle" instances in the pool, default value is 8 |
| * @return Builder itself |
| */ |
| public Builder setMaxIdle(int maxIdle) { |
| this.maxIdle = maxIdle; |
| return this; |
| } |
| |
| /** |
| * Sets value for the {@code minIdle} configuration attribute |
| * for pools to be created with this configuration instance. |
| * |
| * @param minIdle the minimum number of idle objects to maintain in the pool, default value is 0 |
| * @return Builder itself |
| */ |
| public Builder setMinIdle(int minIdle) { |
| this.minIdle = minIdle; |
| return this; |
| } |
| |
| /** |
| * Builds JedisClusterConfig. |
| * |
| * @return JedisClusterConfig |
| */ |
| public FlinkJedisClusterConfig build() { |
| return new FlinkJedisClusterConfig(nodes, timeout, maxRedirections, maxTotal, maxIdle, minIdle); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "JedisClusterConfig{" + |
| "nodes=" + nodes + |
| ", timeout=" + connectionTimeout + |
| ", maxRedirections=" + maxRedirections + |
| ", maxTotal=" + maxTotal + |
| ", maxIdle=" + maxIdle + |
| ", minIdle=" + minIdle + |
| '}'; |
| } |
| } |