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.alibaba.compileflow.engine.core.builder.generator.node;
  
  import com.alibaba.compileflow.engine.core.builder.generator.AbstractRuntimeCodeGenerator;
  import com.alibaba.compileflow.engine.core.builder.generator.GeneratorContext;
  import com.alibaba.compileflow.engine.core.builder.generator.code.CodeTargetSupport;
  import com.alibaba.compileflow.engine.core.definition.Node;
  import com.alibaba.compileflow.engine.core.definition.job.HasJob;
  import org.apache.commons.lang3.StringUtils;
  
  /**
   * Abstract base class for node code generators.
   * Provides common functionality for generating code from flow nodes,
   * including node comment generation and node-specific processing.
   *
   * @param <N> The type of node this generator handles
   * @author wuxiang
   * @author yusu
   */
  public abstract class AbstractNodeCodeGenerator<N extends Node>
          extends AbstractRuntimeCodeGenerator {
  
      protected N flowNode;
  
      public AbstractNodeCodeGenerator(GeneratorContext context, N flowNode) {
          super(context);
          this.flowNode = flowNode;
      }
  
      protected void generateNodeComment(CodeTargetSupport codeTargetSupport) {
          String comment = "//" + flowNode.getClass().getSimpleName();
          if (StringUtils.isNotEmpty(flowNode.getName())) {
              comment += ": " + flowNode.getName();
          }
          codeTargetSupport.addBodyLine(comment);
      }
  
      /**
       * Unified decision: whether the current node's logic should be extracted
       * into a separate method instead of being inlined at the call site.
       * <p>
       * Minimal, non-overengineered rule set:
       * 1) Inside trigger method -> extract
       * 2) Node has job policy (retry/failure/timeout etc.) -> extract
       */
      protected boolean shouldExtractMethod(CodeTargetSupport codeTargetSupport) {
          if (isTriggerMethod(codeTargetSupport)) {
              return true;
          }
          if (flowNode instanceof HasJob) {
              return ((HasJob) flowNode).getJobPolicy() != null;
          }
          return false;
      }
  
  }
  