org.oddjob.jmx.client
Class RemoteLogPoller

java.lang.Object
  org.oddjob.jmx.client.RemoteLogPoller

All Implemented Interfaces:

Runnable, ConsoleArchiver, LogArchiver

public class RemoteLogPoller
extends Object
implements Runnable, LogArchiver, ConsoleArchiver

A LogArchiver which maintains it's log archives by polling a JMX MBean for log information.

Author:

Rob Gordon

Field Summary

Fields inherited from interface org.oddjob.logging.LogArchiver

MAX_HISTORY, NO_LOG_AVAILABLE

Constructor Summary

RemoteLogPoller(Object root, int consoleHistoryLines, int logHistoryLines)
Constructor.

Method Summary

void	addConsoleListener(LogListener l, Object component, long last, int max) Add a listener to the archiver which will receive all missed events.
void	addLogListener(LogListener l, Object component, LogLevel level, long last, int max) Add a listener to the archiver which will receive all missed events.
String	consoleIdFor(Object component) Get the console id for a given component.
long	getLogPollingInterval()
void	onDestroy()
void	poll() Poll a remote MBean for Log Messages.
void	removeConsoleListener(LogListener l, Object component) Remove the LogListener.
void	removeLogListener(LogListener l, Object component) Remove the LogListener.
void	run()
void	setLogPollingInterval(long logPollingInterval)
void	stop() Stop polling.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RemoteLogPoller

public RemoteLogPoller(Object root,
                       int consoleHistoryLines,
                       int logHistoryLines)

Constructor.

Method Detail

addLogListener

public void addLogListener(LogListener l,
                           Object component,
                           LogLevel level,
                           long last,
                           int max)

Description copied from interface: LogArchiver

Add a listener to the archiver which will receive all missed events. The idea of receiving only missed events is to minimise network traffic when used remotely.

Event numbers begin at 0. To recieve all events, last must be -1.

Specified by:

addLogListener in interface LogArchiver

Parameters:

l - The logListener which will recieve the events.

level - The level of events required.

last - The last event number recieved. The LogArchive will not send messages from before this number.

max - The maximum messages to send up to the most recent.

removeLogListener

public void removeLogListener(LogListener l,
                              Object component)

Description copied from interface: LogArchiver

Remove the LogListener.

Specified by:

removeLogListener in interface LogArchiver

Parameters:

l - The LogListener.

addConsoleListener

public void addConsoleListener(LogListener l,
                               Object component,
                               long last,
                               int max)

Description copied from interface: ConsoleArchiver

Add a listener to the archiver which will receive all missed events. The idea of receiving only missed event is to minimise network traffic when used remotely.

Specified by:

addConsoleListener in interface ConsoleArchiver

Parameters:

l - The logListener which will recieve the events.

component - The component whose console to receive events for.

last - The last event number recieved. The LogArchive will not send messages from before this number.

max - The maximum messages to send up to the most recent.

removeConsoleListener

public void removeConsoleListener(LogListener l,
                                  Object component)

Description copied from interface: ConsoleArchiver

Remove the LogListener.

Specified by:

removeConsoleListener in interface ConsoleArchiver

Parameters:

l - The LogListener.

consoleIdFor

public String consoleIdFor(Object component)

Description copied from interface: ConsoleArchiver

Get the console id for a given component.

Specified by:

consoleIdFor in interface ConsoleArchiver

Parameters:

component - The component.

Returns:

The console id.

getLogPollingInterval

public long getLogPollingInterval()

setLogPollingInterval

public void setLogPollingInterval(long logPollingInterval)

poll

public void poll()

Poll a remote MBean for Log Messages.

run

public void run()

Specified by:

run in interface Runnable

stop

public void stop()

Stop polling.

onDestroy

public void onDestroy()