content: /*
   * Copyright 2021-2024 Aklivity Inc.
   *
   * Aklivity 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 io.aklivity.zilla.runtime.binding.mqtt.config;
  
  import java.util.LinkedList;
  import java.util.List;
  import java.util.function.Function;
  
  import io.aklivity.zilla.runtime.engine.config.ConfigBuilder;
  
  public class MqttCredentialsConfigBuilder<T> extends ConfigBuilder<T, MqttCredentialsConfigBuilder<T>>
  {
      private final Function<MqttCredentialsConfig, T> mapper;
  
      private List<MqttPatternConfig> connects;
  
      MqttCredentialsConfigBuilder(
          Function<MqttCredentialsConfig, T> mapper)
      {
          this.mapper = mapper;
      }
  
      @Override
      @SuppressWarnings("unchecked")
      protected Class<MqttCredentialsConfigBuilder<T>> thisType()
      {
          return (Class<MqttCredentialsConfigBuilder<T>>) getClass();
      }
  
      public MqttPatternConfigBuilder<MqttCredentialsConfigBuilder<T>> connect()
      {
          return new MqttPatternConfigBuilder<>(this::connect);
      }
  
      @Override
      public T build()
      {
          return mapper.apply(new MqttCredentialsConfig(connects));
      }
  
      private MqttCredentialsConfigBuilder<T> connect(
          MqttPatternConfig connect)
      {
          if (connects == null)
          {
              connects = new LinkedList<>();
          }
          connects.add(connect);
          return this;
      }
  }
  