code: protected Object invokeGetExecutor() {
          if (isGetBatch()) { // 如果是batch模式
              return context.getHolder().getNext();
          }
  
          if (getExecutor != null) {
              return getExecutor.invoke(context.getParam().getSrcRef());
          } else {
              return null;
          }
      }
docs: 执行GetExecutor