com.antelmann.util.logging
Class LoggerCache

java.lang.Object
  com.antelmann.util.logging.LoggerCache

All Implemented Interfaces:

Filter<LogEntry>, LogWriter

public class LoggerCache
extends Object
implements LogWriter

provides a simple mechanism to cache LogEntries from a Logger

Since:

01.08.2008, 20:27:37

Author:

Holger Antelmann

Field Summary

Fields inherited from interface com.antelmann.util.Filter

EXCLUDE_ALL_FILTER, INCLUDE_ALL_FILTER

Constructor Summary

LoggerCache()
uses a size of 10

LoggerCache(int cacheSize)

Method Summary

boolean	accept(LogEntry entry) returns true only if the given entry is accepted by this filter
LogEntry[]	getCache() always returns an array of the size of the cache with the current content where the first element is the latest
int	getCacheSize()
Filter<? super LogEntry>	getFilter()
void	setCacheSize(int cacheSize)
void	setFilter(Filter<? super LogEntry> filter)
void	write(LogEntry entry) writes the given LogEntry to the log of this LogWriter.

Methods inherited from class java.lang.Object

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

Constructor Detail

LoggerCache

public LoggerCache()

uses a size of 10

LoggerCache

public LoggerCache(int cacheSize)

Method Detail

getCacheSize

public int getCacheSize()

setCacheSize

public void setCacheSize(int cacheSize)

write

public void write(LogEntry entry)
           throws LogException

Description copied from interface: LogWriter

writes the given LogEntry to the log of this LogWriter. This method must not check whether entries are accepted, as the Logger class will only call this method once checked that this LogWriter accepts the given entry.

Specified by:

write in interface LogWriter

Throws:

LogException - if an error occurred while writing the log

getCache

public LogEntry[] getCache()

always returns an array of the size of the cache with the current content where the first element is the latest

getFilter

public Filter<? super LogEntry> getFilter()

setFilter

public void setFilter(Filter<? super LogEntry> filter)

accept

public boolean accept(LogEntry entry)

Description copied from interface: Filter

returns true only if the given entry is accepted by this filter

Specified by:

accept in interface Filter<LogEntry>