org.oddjob.logging
Class AbstractArchiverCache

java.lang.Object
  org.oddjob.logging.AbstractArchiverCache

Direct Known Subclasses:

ConsoleArchiverCache, LogArchiverCache

public abstract class AbstractArchiverCache

extends java.lang.Object

An base implementation of a Cache for LogEvents.

Author:

Rob Gordon

Field Summary

protected static LogEvent

NO_LOG_AVAILABLE

Constructor Summary

AbstractArchiverCache()
Default constructor.

AbstractArchiverCache(int maxHistory)
Construct a LogArchiver with the given amount of history.

Method Summary

protected void	addArchive(LogArchive logArchive) Add an achive this Log Archiver.
void	addEvent(java.lang.String archive, LogLevel level, java.lang.String message) Add an event to the cache.
void	addLogListener(LogListener l, java.lang.String archive, LogLevel level, long last, int history) Add a listener.
abstract void	destroy()
long	getLastMessageNumber(java.lang.String archive)
int	getMaxHistory()
boolean	hasArchive(java.lang.String archive) Does this Acchiver contain the given archive.
protected void	removeArchive(java.lang.String archive) Remove an archive from this LogArchive.
boolean	removeLogListener(LogListener l, java.lang.String archive) Remove a listener.

Methods inherited from class java.lang.Object

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

Field Detail

NO_LOG_AVAILABLE

protected static final LogEvent NO_LOG_AVAILABLE

Constructor Detail

AbstractArchiverCache

public AbstractArchiverCache()

Default constructor.

AbstractArchiverCache

public AbstractArchiverCache(int maxHistory)

Construct a LogArchiver with the given amount of history.

Parameters:

maxHistory - The number of lines to store for each logger

Method Detail

getMaxHistory

public int getMaxHistory()

getLastMessageNumber

public long getLastMessageNumber(java.lang.String archive)

addLogListener

public void addLogListener(LogListener l,
                           java.lang.String archive,
                           LogLevel level,
                           long last,
                           int history)

Add a listener.

Parameters:

l - The listener

archive - The archive

level - The level

last - The last message number.

history - The max messages required.

removeLogListener

public boolean removeLogListener(LogListener l,
                                 java.lang.String archive)

Remove a listener.

Parameters:

l - The listener.

archive - The archive.

hasArchive

public boolean hasArchive(java.lang.String archive)

Does this Acchiver contain the given archive.

Parameters:

archive - The archive.

Returns:

true if it does, false if it doesn't.

addArchive

protected void addArchive(LogArchive logArchive)

Add an achive this Log Archiver.

removeArchive

protected void removeArchive(java.lang.String archive)

Remove an archive from this LogArchive.

Parameters:

archive -

addEvent

public void addEvent(java.lang.String archive,
                     LogLevel level,
                     java.lang.String message)

Add an event to the cache.

Parameters:

archive - The archive.

level - The level.

message - The message.

destroy

public abstract void destroy()