org.oddjob.logging.cache

Class PollingLogArchiver

java.lang.Object

org.oddjob.logging.cache.PollingLogArchiver

All Implemented Interfaces:

LogArchiver

public class PollingLogArchiver
extends java.lang.Object
implements LogArchiver

A LogArchiver which maintains it's log archives by polling.

This archiver will remove a component from it's list of components to poll when no more listeners are listening to it.

This archiver will only poll the first component where many components share the same archive.

Author:

Rob Gordon

Field Summary

Fields inherited from interface org.oddjob.logging.LogArchiver

MAX_HISTORY, NO_LOG_AVAILABLE

Constructor Summary

Constructors

Constructor and Description
PollingLogArchiver(ArchiveNameResolver resolver, LogEventSource source) Constructor with default history.
PollingLogArchiver(int history, ArchiveNameResolver resolver, LogEventSource source) Constructor that accepts a history count.

Method Summary

Modifier and Type	Method and Description
void	addLogListener(LogListener l, java.lang.Object component, LogLevel level, long last, int max) Add a LogListener for the given component.
void	onDestroy()
void	poll() Poll for Log Messages.
void	removeLogListener(LogListener l, java.lang.Object component) Remove the LogListener for the given component.

Methods inherited from class java.lang.Object

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

Constructor Detail

PollingLogArchiver

public PollingLogArchiver(ArchiveNameResolver resolver,
                          LogEventSource source)

Constructor with default history.

PollingLogArchiver

public PollingLogArchiver(int history,
                          ArchiveNameResolver resolver,
                          LogEventSource source)

Constructor that accepts a history count.

Method Detail

addLogListener

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

Add a LogListener for the given component.

Specified by:

addLogListener in interface LogArchiver

Parameters:

l - The LogListener.

component - The component.

level - The level.

last - The last message number required.

max - The maximum history.

removeLogListener

public void removeLogListener(LogListener l,
                              java.lang.Object component)

Remove the LogListener for the given component.

Specified by:

removeLogListener in interface LogArchiver

Parameters:

l - The LogListener.

component - The component.

poll

public void poll()

Poll for Log Messages.

onDestroy

public void onDestroy()