Refreshable (Spring Framework 4.3.30.RELEASE API)

所有已知实现类:
AbstractRefreshableTargetSource, BeanFactoryRefreshableTargetSource, RefreshableScriptTargetSource
```
public interface Refreshable
```
Interface to be implemented by dynamic target objects, which support reloading and optionally polling for updates.
从以下版本开始:
2.0
作者:
Rod Johnson, Rob Harrop

方法概要

所有方法实例方法抽象方法
修饰符和类型	方法	说明
`long`	`getLastRefreshTime()`	Return the last time an actual refresh happened (as timestamp).
`long`	`getRefreshCount()`	Return the number of actual refreshes since startup.
`void`	`refresh()`	Refresh the underlying target object.

- 方法详细资料
  - refresh
```
void refresh()
```
    Refresh the underlying target object.
  - getRefreshCount
```
long getRefreshCount()
```
    Return the number of actual refreshes since startup.
  - getLastRefreshTime
```
long getLastRefreshTime()
```
    Return the last time an actual refresh happened (as timestamp).