MetricsSystem.Callback (Hadoop 1.2.2-SNAPSHOT API)

所有类

概要:
嵌套 |
字段 |
构造器 |
方法

详细资料:
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构造器 |
方法

所有已知实现类:

MetricsSystem.AbstractCallback

封闭接口:

MetricsSystem
```
public static interface MetricsSystem.Callback
```
The metrics system callback interface

方法概要

方法
限定符和类型	方法和说明
`void`	`postStart()` Called after start()
`void`	`postStop()` Called after stop()
`void`	`preStart()` Called before start()
`void`	`preStop()` Called before stop()

- 方法详细资料
  - preStart
```
void preStart()
```
    Called before start()
  - postStart
```
void postStart()
```
    Called after start()
  - preStop
```
void preStop()
```
    Called before stop()
  - postStop
```
void postStop()
```
    Called after stop()

所有类

概要:
嵌套 |
字段 |
构造器 |
方法

详细资料:
字段 |
构造器 |
方法

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