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.hanlder;
  
  import java.io.Serializable;
  import java.util.Collections;
  import java.util.List;
  import java.util.Map;
  
  /***
   * redis handler to create redis mapper and flink jedis config.
   */
  public interface RedisHandler extends Serializable {
  
      /**
       * require context for spi to find this redis handler.
       * @return properties to find correct redis handler.
       */
      Map<String, String> requiredContext();
  
      /**
       * suppport properties used for this redis handler.
       * @return support properties list
       * @throws Exception
       */
      default List<String> supportProperties() throws Exception {
          return Collections.emptyList();
      }
  
  }
  