SimpleSystemReadyMonitor (infrautils 1.8.0-SNAPSHOT API)

java.lang.Object
- org.opendaylight.infrautils.ready.spi.SimpleSystemReadyMonitor

All Implemented Interfaces:

SystemReadyMonitor, SystemReadyMonitorMXBean

Direct Known Subclasses:

KarafSystemReady
```
public class SimpleSystemReadyMonitor
extends Object
implements SystemReadyMonitor
```
SystemReadyMonitor implementation for a "simple" (standalone, Java SE) environment. Also used as the base class for the Karaf/OSGi specific implementation.

Author:

Michael Vorburger.ch, based on code from myself, Tom (concurrency) & Faseela in KarafSystemReadyImpl

Constructor Summary

Constructors
Constructor Description

SimpleSystemReadyMonitor()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`getFailureCause()`	Obtain the cause of a `SystemState.FAILURE`.
`SystemState`	`getSystemState()`	Obtain current system status as one of few possible enumerated values.
`void`	`ready()`
`void`	`registerListener(SystemReadyListener listener)`	Allows components to register a listener which will be notified when the system ready state is changing.
`protected void`	`setSystemFailureCause(Throwable cause)`
`protected void`	`setSystemState(SystemState state)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SimpleSystemReadyMonitor
```
public SimpleSystemReadyMonitor()
```
- Method Detail
  - registerListener
```
public void registerListener(SystemReadyListener listener)
```
    Description copied from interface: SystemReadyMonitor
    
    Allows components to register a listener which will be notified when the system ready state is changing.
    
    Specified by:
    
    registerListener in interface SystemReadyMonitor
  - getSystemState
```
public SystemState getSystemState()
```
    Description copied from interface: SystemReadyMonitorMXBean
    
    Obtain current system status as one of few possible enumerated values.
    
    Specified by:
    
    getSystemState in interface SystemReadyMonitorMXBean
  - getFailureCause
```
public String getFailureCause()
```
    Description copied from interface: SystemReadyMonitorMXBean
    
    Obtain the cause of a SystemState.FAILURE.
    
    Specified by:
    
    getFailureCause in interface SystemReadyMonitorMXBean
  - ready
```
public void ready()
```
  - setSystemState
```
protected void setSystemState(SystemState state)
```
  - setSystemFailureCause
```
protected void setSystemFailureCause(Throwable cause)
```