PingThread (Jenkins remoting layer 3206.vb_15dcf73f6a_9 API)

java.lang.Object
- java.lang.Thread
- - hudson.remoting.PingThread

All Implemented Interfaces:

Runnable
```
public abstract class PingThread
extends Thread
```
Periodically perform a ping.
Useful when a connection needs to be kept alive by sending data, or when the disconnection is not properly detected.
onDead() method needs to be overridden to define what to do when a connection appears to be dead.

Since:

1.170

Author:

Kohsuke Kawaguchi

Nested Class Summary
- Nested classes/interfaces inherited from class java.lang.Thread
  Thread.State, Thread.UncaughtExceptionHandler

Field Summary
- Fields inherited from class java.lang.Thread
  MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors
Constructor	Description
`PingThread(Channel channel)`
`PingThread(Channel channel, long interval)`
`PingThread(Channel channel, long timeout, long interval)`

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`protected abstract void`	`onDead()`	Deprecated. as of 2.9 Override `onDead(Throwable)` to receive the cause, but also override this method and provide a fallback behaviour to be backward compatible with earlier version of remoting library.
`protected void`	`onDead(Throwable diagnosis)`	Called when ping failed.
`void`	`run()`

Methods inherited from class java.lang.Thread
activeCount, checkAccess, clone, countStackFrames, currentThread, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, onSpinWait, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, suspend, toString, yield

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

- Constructor Detail
  - PingThread
```
public PingThread(Channel channel,
                  long timeout,
                  long interval)
```
  - PingThread
```
public PingThread(Channel channel,
                  long interval)
```
  - PingThread
```
public PingThread(Channel channel)
```
- Method Detail
  - run
```
public void run()
```
    Specified by:
    
    run in interface Runnable
    
    Overrides:
    
    run in class Thread
  - onDead
```
@Deprecated
protected abstract void onDead()
```
    Deprecated.
    as of 2.9 Override onDead(Throwable) to receive the cause, but also override this method and provide a fallback behaviour to be backward compatible with earlier version of remoting library.
    
    Called when ping failed.
  - onDead
```
protected void onDead(Throwable diagnosis)
```
    Called when ping failed.
    
    Since:
    
    2.9