org.graylog2.log4j

Class MemoryAppender

java.lang.Object

org.apache.logging.log4j.core.AbstractLifeCycle

org.apache.logging.log4j.core.filter.AbstractFilterable

org.apache.logging.log4j.core.appender.AbstractAppender

org.graylog2.log4j.MemoryAppender

All Implemented Interfaces:

org.apache.logging.log4j.core.Appender, org.apache.logging.log4j.core.filter.Filterable, org.apache.logging.log4j.core.LifeCycle

@Plugin(name="Memory",
        category="Core",
        elementType="appender",
        printObject=true)
public class MemoryAppender
extends org.apache.logging.log4j.core.appender.AbstractAppender

A Log4J appender that keeps a configurable number of messages in memory. Used to make recent internal log messages available via the REST API.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.logging.log4j.core.LifeCycle

org.apache.logging.log4j.core.LifeCycle.State

Field Summary

Fields inherited from class org.apache.logging.log4j.core.AbstractLifeCycle

LOGGER

Fields inherited from interface org.apache.logging.log4j.core.Appender

ELEMENT_TYPE

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	MemoryAppender(String name, org.apache.logging.log4j.core.Filter filter, org.apache.logging.log4j.core.Layout<? extends Serializable> layout, boolean ignoreExceptions, int bufferSize)

Method Summary

Modifier and Type	Method and Description
void	append(org.apache.logging.log4j.core.LogEvent event)
static MemoryAppender	createAppender(org.apache.logging.log4j.core.Layout<? extends Serializable> layout, org.apache.logging.log4j.core.Filter filter, String name, String bufferSize, String ignore)
int	getBufferSize()
List<org.apache.logging.log4j.core.LogEvent>	getLogMessages(int max)
void	stop()

Methods inherited from class org.apache.logging.log4j.core.appender.AbstractAppender

error, error, error, getHandler, getLayout, getName, ignoreExceptions, parseInt, setHandler, toString

Methods inherited from class org.apache.logging.log4j.core.filter.AbstractFilterable

addFilter, getFilter, hasFilter, isFiltered, removeFilter, start

Methods inherited from class org.apache.logging.log4j.core.AbstractLifeCycle

equalsImpl, getState, hashCodeImpl, initialize, isInitialized, isStarted, isStarting, isStopped, isStopping, setStarted, setStarting, setState, setStopped, setStopping

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.logging.log4j.core.LifeCycle

getState, initialize, isStarted, isStopped, start

Constructor Detail

MemoryAppender

protected MemoryAppender(String name,
                         org.apache.logging.log4j.core.Filter filter,
                         org.apache.logging.log4j.core.Layout<? extends Serializable> layout,
                         boolean ignoreExceptions,
                         int bufferSize)

Method Detail

createAppender

@PluginFactory
public static MemoryAppender createAppender(@PluginElement(value="Layout")
                                                           org.apache.logging.log4j.core.Layout<? extends Serializable> layout,
                                                           @PluginElement(value="Filter")
                                                           org.apache.logging.log4j.core.Filter filter,
                                                           @PluginAttribute(value="name")
                                                           String name,
                                                           @PluginAttribute(value="bufferSize",defaultInt=500)
                                                           String bufferSize,
                                                           @PluginAttribute(value="ignoreExceptions",defaultBoolean=true)
                                                           String ignore)

append

public void append(org.apache.logging.log4j.core.LogEvent event)

stop

public void stop()

Specified by:

stop in interface org.apache.logging.log4j.core.LifeCycle

Overrides:

stop in class org.apache.logging.log4j.core.filter.AbstractFilterable

getLogMessages

public List<org.apache.logging.log4j.core.LogEvent> getLogMessages(int max)

getBufferSize

public int getBufferSize()