content: /*
   * 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;
  
  import org.apache.flink.api.java.tuple.Tuple2;
  import org.apache.flink.streaming.api.datastream.DataStreamSource;
  import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
  import org.apache.flink.streaming.api.functions.source.SourceFunction;
  import org.apache.flink.streaming.connectors.redis.RedisITCaseBase;
  import org.apache.flink.streaming.connectors.redis.RedisSink;
  import org.apache.flink.streaming.connectors.redis.common.config.FlinkJedisClusterConfig;
  import org.apache.flink.streaming.connectors.redis.common.mapper.RedisCommand;
  import org.apache.flink.streaming.connectors.redis.common.mapper.RedisCommandDescription;
  import org.apache.flink.streaming.connectors.redis.common.mapper.RedisMapper;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  import java.net.InetSocketAddress;
  import java.net.MalformedURLException;
  import java.util.HashSet;
  import java.util.Optional;
  
  public class RedisSinkZIncrByTest extends RedisITCaseBase {
  
    private static final String REDIS_CLUSTER_HOSTS = "redis-01:7000,redis-02:7000,redis-03:7000";
  
    private static final HashSet<InetSocketAddress> NODES = new HashSet<InetSocketAddress>();
  
    @Before
    public void before() throws Exception {
      String[] hostList = REDIS_CLUSTER_HOSTS.split(",", -1);
      for (String host : hostList) {
        String[] parts = host.split(":", 2);
        if (parts.length > 1) {
          NODES.add(InetSocketAddress.createUnresolved(parts[0], Integer.valueOf(parts[1])));
        } else {
          throw new MalformedURLException("invalid redis hosts format");
        }
      }
    }
  
    @Test
    public void redisSinkTest() throws Exception {
      StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
  
      FlinkJedisClusterConfig jedisClusterConfig = new FlinkJedisClusterConfig.Builder()
          .setNodes(NODES).build();
      DataStreamSource<Tuple2<String, Integer>> source = env.addSource(new TestSourceFunction());
  
      RedisSink<Tuple2<String, Integer>> redisSink = new RedisSink<>(jedisClusterConfig, new RedisTestMapper());
  
      source.addSink(redisSink);
  
      env.execute("Redis Sink Test");
    }
  
    @After
    public void after() throws Exception {
  
    }
  
  
    private static class TestSourceFunction implements SourceFunction<Tuple2<String, Integer>> {
      private static final long serialVersionUID = 1L;
  
      private volatile boolean running = true;
  
      @Override
      public void run(SourceContext<Tuple2<String, Integer>> ctx) throws Exception {
        for (int i = 0; i < 10 && running; i++) {
          ctx.collect(new Tuple2<>("test_" + i, i));
        }
      }
  
      @Override
      public void cancel() {
        running = false;
      }
    }
  
  
    private static class RedisTestMapper implements RedisMapper<Tuple2<String, Integer>> {
      private static final String ZINCRBY_NAME_PREFIX = "RANKING";
  
      @Override
      public RedisCommandDescription getCommandDescription() {
        return new RedisCommandDescription(RedisCommand.ZINCRBY, ZINCRBY_NAME_PREFIX);
      }
  
      @Override
      public String getKeyFromData(Tuple2<String, Integer> data) {
        return data.f0;
      }
  
      @Override
      public String getValueFromData(Tuple2<String, Integer> data) {
        return data.f1.toString();
      }
  
      @Override
      public Optional<String> getAdditionalKey(Tuple2<String, Integer> data) {
        String key = ZINCRBY_NAME_PREFIX + ":" + "TEST";
        return Optional.of(key);
      }
    }
  }
  