content: /**
   * Copyright (C) 2024 AIDC-AI
   *
   * Licensed 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.alibaba.langengine.core.agent.planexecute;
  
  import lombok.Data;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * ListStepContainer
   *
   * @author xiaoxuan.lp
   */
  @Data
  public class ListStepContainer extends BaseStepContainer {
  
      private List<StepPair> steps = new ArrayList<>();
  
      @Override
      public void addStep(Step step, StepResponse stepResponse) {
          StepPair stepPair = new StepPair();
          stepPair.setStep(step);
          stepPair.setStepResponse(stepResponse);
          steps.add(stepPair);
      }
  
      @Override
      public String getFinalResponse() {
          if(steps.size() == 0) {
              return "";
          }
          return steps.get(steps.size() - 1).getStepResponse().getResponse();
      }
  }
  