org.springframework.core

## 接口 OrderComparator.OrderSourceProvider

- 封闭类:
    OrderComparator
  函数接口:
    这是一个函数接口, 因此可用作 lambda 表达式或方法引用的赋值目标。

      @FunctionalInterface
      public static interface OrderComparator.OrderSourceProvider

  Strategy interface to provide an order source for a given object.
  从以下版本开始:
    4.1

- - ### 方法概要

    所有方法 实例方法 抽象方法
    限定符和类型 | 方法和说明
    --- | ---
    `Object` | `getOrderSource(Object obj)` Return an order source for the specified object, i.e. an object that should be checked for an order value as a replacement to the given object.

- - ### 方法详细资料

    - #### getOrderSource

          @Nullable
          Object getOrderSource(Object obj)

      Return an order source for the specified object, i.e. an object that should be checked for an order value as a replacement to the given object.

      Can also be an array of order source objects.

      If the returned object does not indicate any order, the comparator will fall back to checking the original object.

      参数:
        `obj` - the object to find an order source for
      返回:
        the order source for that object, or `null` if none found