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.mapper.row;
  
  import org.apache.flink.api.java.tuple.Tuple2;
  import org.apache.flink.streaming.connectors.redis.common.hanlder.RedisMapperHandler;
  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.apache.flink.types.Row;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Optional;
  
  import static org.apache.flink.streaming.connectors.redis.descriptor.RedisValidator.REDIS_COMMAND;
  
  /**
   * base row redis mapper implement.
   */
  public abstract class RowRedisMapper implements RedisMapper<Tuple2<Boolean, Row>>, RedisMapperHandler {
  
      private static final Logger LOGGER = LoggerFactory.getLogger(RowRedisMapper.class);
  
      private Integer ttl;
  
      private RedisCommand redisCommand;
  
      public Integer getTtl() {
          return ttl;
      }
  
      public void setTtl(int ttl) {
          this.ttl = ttl;
      }
  
      public RedisCommand getRedisCommand() {
          return redisCommand;
      }
  
      public void setRedisCommand(RedisCommand redisCommand) {
          this.redisCommand = redisCommand;
      }
  
      public RowRedisMapper() {
      }
  
      public RowRedisMapper(int ttl, RedisCommand redisCommand) {
          this.ttl = ttl;
          this.redisCommand = redisCommand;
      }
  
      public RowRedisMapper(RedisCommand redisCommand) {
          this.redisCommand = redisCommand;
      }
  
      @Override
      public RedisCommandDescription getCommandDescription() {
          if (ttl != null) {
              return new RedisCommandDescription(redisCommand, ttl);
          }
          return new RedisCommandDescription(redisCommand);
      }
  
      @Override
      public String getKeyFromData(Tuple2<Boolean, Row> data) {
          return data.f1.getField(0).toString();
      }
  
      @Override
      public String getValueFromData(Tuple2<Boolean, Row> data) {
          return data.f1.getField(1).toString();
      }
  
      @Override
      public Map<String, String> requiredContext() {
          Map<String, String> require = new HashMap<>();
          require.put(REDIS_COMMAND, getRedisCommand().name());
          return require;
      }
  
      @Override
      public boolean equals(Object obj) {
          RedisCommand redisCommand = ((RowRedisMapper) obj).redisCommand;
          return this.redisCommand == redisCommand;
      }
  
      @Override
      public Optional<Integer> getAdditionalTTL(Tuple2<Boolean, Row> data) {
          return Optional.ofNullable(getTtl());
      }
  }
  