content: /*
   *  Copyright (c) 2023-2025, Agents-Flex (fuhai999@gmail.com).
   *  <p>
   *  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
   *  <p>
   *  http://www.apache.org/licenses/LICENSE-2.0
   *  <p>
   *  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.agentsflex.core.chain.impl;
  
  import com.agentsflex.core.chain.Chain;
  import com.agentsflex.core.chain.ChainEdge;
  import com.agentsflex.core.chain.ChainNode;
  
  public class SequentialChain extends Chain {
  
      @Override
      public void addNode(ChainNode chainNode) {
          super.addNode(chainNode);
  
          if (this.nodes.size() < 2) {
              return;
          }
  
          String sourceId = this.nodes.get(this.nodes.size() - 2).getId();
          String targetId = this.nodes.get(this.nodes.size() - 1).getId();
  
          ChainEdge edge = new ChainEdge();
          edge.setSource(sourceId);
          edge.setTarget(targetId);
  
          super.addEdge(edge);
      }
  }
  