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 com.ververica.field.config;
  
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  public class Config {
  
    private final Map<Param<?>, Object> values = new HashMap<>();
  
    public <T> void put(Param<T> key, T value) {
      values.put(key, value);
    }
  
    public <T> T get(Param<T> key) {
      return key.getType().cast(values.get(key));
    }
  
    public <T> Config(
        Parameters inputParams,
        List<Param<String>> stringParams,
        List<Param<Integer>> intParams,
        List<Param<Boolean>> boolParams) {
      overrideDefaults(inputParams, stringParams);
      overrideDefaults(inputParams, intParams);
      overrideDefaults(inputParams, boolParams);
    }
  
    public static Config fromParameters(Parameters parameters) {
      return new Config(
          parameters, Parameters.STRING_PARAMS, Parameters.INT_PARAMS, Parameters.BOOL_PARAMS);
    }
  
    private <T> void overrideDefaults(Parameters inputParams, List<Param<T>> params) {
      for (Param<T> param : params) {
        put(param, inputParams.getOrDefault(param));
      }
    }
  }
  