@Override
  public List<CompilationUnit> getCompilationUnits() {
    FullyQualifiedTable table = introspectedTable.getFullyQualifiedTable();
    progressCallback.startTask(getString("Progress.9", table.toString())); // $NON-NLS-1$
    Plugin plugins = context.getPlugins();
    CommentGenerator commentGenerator = context.getCommentGenerator();

    TopLevelClass topLevelClass = new TopLevelClass(introspectedTable.getRecordWithBLOBsType());
    topLevelClass.setVisibility(JavaVisibility.PUBLIC);
    commentGenerator.addJavaFileComment(topLevelClass);

    topLevelClass.addJavaDocLine("/**");
    topLevelClass.addJavaDocLine("* " + table.getDomainObjectName());
    topLevelClass.addJavaDocLine("* table:" + table.getIntrospectedTableName());
    topLevelClass.addJavaDocLine("* ");
    topLevelClass.addJavaDocLine("* @author 王欣");
    topLevelClass.addJavaDocLine("* @version v1.0");
    // topLevelClass.addJavaDocLine("* @copy 鸿旭图码");
    topLevelClass.addJavaDocLine("* @copy wangxin");
    topLevelClass.addJavaDocLine(
        "* @date " + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
    topLevelClass.addJavaDocLine("*/");

    String rootClass = getRootClass();
    if (introspectedTable.getRules().generateBaseRecordClass()) {
      topLevelClass.setSuperClass(introspectedTable.getBaseRecordType());
    } else {
      topLevelClass.setSuperClass(introspectedTable.getPrimaryKeyType());
    }

    if (introspectedTable.isConstructorBased()) {
      addParameterizedConstructor(topLevelClass);

      if (!introspectedTable.isImmutable()) {
        addDefaultConstructor(topLevelClass);
      }
    }

    for (IntrospectedColumn introspectedColumn : introspectedTable.getBLOBColumns()) {
      if (RootClassInfo.getInstance(rootClass, warnings).containsProperty(introspectedColumn)) {
        continue;
      }

      Field field = getJavaBeansField(introspectedColumn);
      if (plugins.modelFieldGenerated(
          field,
          topLevelClass,
          introspectedColumn,
          introspectedTable,
          Plugin.ModelClassType.RECORD_WITH_BLOBS)) {
        topLevelClass.addField(field);
        topLevelClass.addImportedType(field.getType());
      }

      Method method = getJavaBeansGetter(introspectedColumn);
      if (plugins.modelGetterMethodGenerated(
          method,
          topLevelClass,
          introspectedColumn,
          introspectedTable,
          Plugin.ModelClassType.RECORD_WITH_BLOBS)) {
        topLevelClass.addMethod(method);
      }

      if (!introspectedTable.isImmutable()) {
        method = getJavaBeansSetter(introspectedColumn);
        if (plugins.modelSetterMethodGenerated(
            method,
            topLevelClass,
            introspectedColumn,
            introspectedTable,
            Plugin.ModelClassType.RECORD_WITH_BLOBS)) {
          topLevelClass.addMethod(method);
        }
      }
    }

    List<CompilationUnit> answer = new ArrayList<CompilationUnit>();
    if (context.getPlugins().modelRecordWithBLOBsClassGenerated(topLevelClass, introspectedTable)) {
      answer.add(topLevelClass);
    }
    return answer;
  }
  /**
   * 添加实现类
   *
   * @param introspectedTable
   * @param tableName
   * @param files
   */
  protected void addServiceImpl(
      TopLevelClass topLevelClass,
      IntrospectedTable introspectedTable,
      String tableName,
      List<GeneratedJavaFile> files) {
    topLevelClass.setVisibility(JavaVisibility.PUBLIC);
    // 设置实现的接口
    topLevelClass.addSuperInterface(interfaceType);

    if (enableAnnotation) {
      topLevelClass.addAnnotation("@Service");
      topLevelClass.addImportedType(service);
    }
    // 添加引用dao
    addField(topLevelClass, tableName);
    // 添加方法
    topLevelClass.addMethod(countByExample(introspectedTable, tableName));
    topLevelClass.addMethod(selectByPrimaryKey(introspectedTable, tableName));
    topLevelClass.addMethod(selectByExample(introspectedTable, tableName));

    /** type 的意义 pojo 1 ;key 2 ;example 3 ;pojo+example 4 */
    if (enableDeleteByPrimaryKey) {
      topLevelClass.addMethod(
          getOtherInteger("deleteByPrimaryKey", introspectedTable, tableName, 2));
    }
    if (enableUpdateByPrimaryKeySelective) {
      topLevelClass.addMethod(
          getOtherInteger("updateByPrimaryKeySelective", introspectedTable, tableName, 1));
    }
    if (enableUpdateByPrimaryKey) {
      topLevelClass.addMethod(
          getOtherInteger("updateByPrimaryKey", introspectedTable, tableName, 1));
    }
    if (enableDeleteByExample) {
      topLevelClass.addMethod(getOtherInteger("deleteByExample", introspectedTable, tableName, 3));
    }
    if (enableUpdateByExampleSelective) {
      topLevelClass.addMethod(
          getOtherInteger("updateByExampleSelective", introspectedTable, tableName, 4));
    }
    if (enableUpdateByExample) {
      topLevelClass.addMethod(getOtherInteger("updateByExample", introspectedTable, tableName, 4));
    }
    if (enableInsert) {
      topLevelClass.addMethod(getOtherInsertboolean("insert", introspectedTable, tableName));
    }
    if (enableInsertSelective) {
      topLevelClass.addMethod(
          getOtherInsertboolean("insertSelective", introspectedTable, tableName));
    }
    // 生成文件
    GeneratedJavaFile file =
        new GeneratedJavaFile(
            topLevelClass,
            project,
            context.getProperty(PropertyRegistry.CONTEXT_JAVA_FILE_ENCODING),
            context.getJavaFormatter());
    files.add(file);
  }
  @Override
  public List<CompilationUnit> getCompilationUnits() {
    FullyQualifiedTable table = introspectedTable.getFullyQualifiedTable();
    progressCallback.startTask(getString("Progress.6", table.toString())); // $NON-NLS-1$
    CommentGenerator commentGenerator = context.getCommentGenerator();

    FullyQualifiedJavaType type = new FullyQualifiedJavaType(introspectedTable.getExampleType());
    TopLevelClass topLevelClass = new TopLevelClass(type);
    topLevelClass.setVisibility(JavaVisibility.PUBLIC);
    commentGenerator.addJavaFileComment(topLevelClass);

    // add default constructor
    Method method = new Method();
    method.setVisibility(JavaVisibility.PUBLIC);
    method.setConstructor(true);
    method.setName(type.getShortName());
    method.addBodyLine("oredCriteria = new ArrayList<Criteria>();"); // $NON-NLS-1$

    commentGenerator.addGeneralMethodComment(method, introspectedTable);
    topLevelClass.addMethod(method);

    // add field, getter, setter for orderby clause
    Field field = new Field();
    field.setVisibility(JavaVisibility.PROTECTED);
    field.setType(FullyQualifiedJavaType.getStringInstance());
    field.setName("orderByClause"); // $NON-NLS-1$
    commentGenerator.addFieldComment(field, introspectedTable);
    topLevelClass.addField(field);

    method = new Method();
    method.setVisibility(JavaVisibility.PUBLIC);
    method.setName("setOrderByClause"); // $NON-NLS-1$
    method.addParameter(
        new Parameter(FullyQualifiedJavaType.getStringInstance(), "orderByClause")); // $NON-NLS-1$
    method.addBodyLine("this.orderByClause = orderByClause;"); // $NON-NLS-1$
    commentGenerator.addGeneralMethodComment(method, introspectedTable);
    topLevelClass.addMethod(method);

    method = new Method();
    method.setVisibility(JavaVisibility.PUBLIC);
    method.setReturnType(FullyQualifiedJavaType.getStringInstance());
    method.setName("getOrderByClause"); // $NON-NLS-1$
    method.addBodyLine("return orderByClause;"); // $NON-NLS-1$
    commentGenerator.addGeneralMethodComment(method, introspectedTable);
    topLevelClass.addMethod(method);

    // add field, getter, setter for distinct
    field = new Field();
    field.setVisibility(JavaVisibility.PROTECTED);
    field.setType(FullyQualifiedJavaType.getBooleanPrimitiveInstance());
    field.setName("distinct"); // $NON-NLS-1$
    commentGenerator.addFieldComment(field, introspectedTable);
    topLevelClass.addField(field);

    method = new Method();
    method.setVisibility(JavaVisibility.PUBLIC);
    method.setName("setDistinct"); // $NON-NLS-1$
    method.addParameter(
        new Parameter(
            FullyQualifiedJavaType.getBooleanPrimitiveInstance(), "distinct")); // $NON-NLS-1$
    method.addBodyLine("this.distinct = distinct;"); // $NON-NLS-1$
    commentGenerator.addGeneralMethodComment(method, introspectedTable);
    topLevelClass.addMethod(method);

    method = new Method();
    method.setVisibility(JavaVisibility.PUBLIC);
    method.setReturnType(FullyQualifiedJavaType.getBooleanPrimitiveInstance());
    method.setName("isDistinct"); // $NON-NLS-1$
    method.addBodyLine("return distinct;"); // $NON-NLS-1$
    commentGenerator.addGeneralMethodComment(method, introspectedTable);
    topLevelClass.addMethod(method);

    // add field and methods for the list of ored criteria
    field = new Field();
    field.setVisibility(JavaVisibility.PROTECTED);

    FullyQualifiedJavaType fqjt =
        new FullyQualifiedJavaType("java.util.List<Criteria>"); // $NON-NLS-1$
    field.setType(fqjt);
    field.setName("oredCriteria"); // $NON-NLS-1$
    commentGenerator.addFieldComment(field, introspectedTable);
    topLevelClass.addField(field);

    method = new Method();
    method.setVisibility(JavaVisibility.PUBLIC);
    method.setReturnType(fqjt);
    method.setName("getOredCriteria"); // $NON-NLS-1$
    method.addBodyLine("return oredCriteria;"); // $NON-NLS-1$
    commentGenerator.addGeneralMethodComment(method, introspectedTable);
    topLevelClass.addMethod(method);

    method = new Method();
    method.setVisibility(JavaVisibility.PUBLIC);
    method.setName("or"); // $NON-NLS-1$
    method.addParameter(
        new Parameter(FullyQualifiedJavaType.getCriteriaInstance(), "criteria")); // $NON-NLS-1$
    method.addBodyLine("oredCriteria.add(criteria);"); // $NON-NLS-1$
    commentGenerator.addGeneralMethodComment(method, introspectedTable);
    topLevelClass.addMethod(method);

    method = new Method();
    method.setVisibility(JavaVisibility.PUBLIC);
    method.setName("or"); // $NON-NLS-1$
    method.setReturnType(FullyQualifiedJavaType.getCriteriaInstance());
    method.addBodyLine("Criteria criteria = createCriteriaInternal();"); // $NON-NLS-1$
    method.addBodyLine("oredCriteria.add(criteria);"); // $NON-NLS-1$
    method.addBodyLine("return criteria;"); // $NON-NLS-1$
    commentGenerator.addGeneralMethodComment(method, introspectedTable);
    topLevelClass.addMethod(method);

    method = new Method();
    method.setVisibility(JavaVisibility.PUBLIC);
    method.setName("createCriteria"); // $NON-NLS-1$
    method.setReturnType(FullyQualifiedJavaType.getCriteriaInstance());
    method.addBodyLine("Criteria criteria = createCriteriaInternal();"); // $NON-NLS-1$
    method.addBodyLine("if (oredCriteria.size() == 0) {"); // $NON-NLS-1$
    method.addBodyLine("oredCriteria.add(criteria);"); // $NON-NLS-1$
    method.addBodyLine("}"); // $NON-NLS-1$
    method.addBodyLine("return criteria;"); // $NON-NLS-1$
    commentGenerator.addGeneralMethodComment(method, introspectedTable);
    topLevelClass.addMethod(method);

    method = new Method();
    method.setVisibility(JavaVisibility.PROTECTED);
    method.setName("createCriteriaInternal"); // $NON-NLS-1$
    method.setReturnType(FullyQualifiedJavaType.getCriteriaInstance());
    method.addBodyLine("Criteria criteria = new Criteria();"); // $NON-NLS-1$
    method.addBodyLine("return criteria;"); // $NON-NLS-1$
    commentGenerator.addGeneralMethodComment(method, introspectedTable);
    topLevelClass.addMethod(method);

    method = new Method();
    method.setVisibility(JavaVisibility.PUBLIC);
    method.setName("clear"); // $NON-NLS-1$
    method.addBodyLine("oredCriteria.clear();"); // $NON-NLS-1$
    method.addBodyLine("orderByClause = null;"); // $NON-NLS-1$
    method.addBodyLine("distinct = false;"); // $NON-NLS-1$
    commentGenerator.addGeneralMethodComment(method, introspectedTable);
    topLevelClass.addMethod(method);

    // now generate the inner class that holds the AND conditions
    topLevelClass.addInnerClass(getGeneratedCriteriaInnerClass(topLevelClass));

    topLevelClass.addInnerClass(getCriteriaInnerClass(topLevelClass));

    topLevelClass.addInnerClass(getCriterionInnerClass(topLevelClass));

    List<CompilationUnit> answer = new ArrayList<CompilationUnit>();
    if (context.getPlugins().modelExampleClassGenerated(topLevelClass, introspectedTable)) {
      answer.add(topLevelClass);
    }
    return answer;
  }