Package ubic.gemma.core.job.executor.common

Class ProgressUpdateAppender

java.lang.Object

org.apache.log4j.AppenderSkeleton

ubic.gemma.core.job.executor.common.ProgressUpdateAppender

All Implemented Interfaces:

org.apache.log4j.Appender, org.apache.log4j.spi.OptionHandler

public class ProgressUpdateAppender
extends org.apache.log4j.AppenderSkeleton

This appender is used by remote tasks to send progress notifications to the webapp. The information for these notifications is retrieved from the LoggingEvent. This information comes from regular logging statements inlined in the source code (ie. log.info("the text")).

Author:

keshav

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ProgressUpdateAppender.ProgressUpdateCallback	Callback used to emit progress updates.
static class	ProgressUpdateAppender.ProgressUpdateContext	Represents a context under which progress update logs are intercepted the ProgressUpdateAppender.ProgressUpdateCallback is invoked.

Nested classes/interfaces inherited from class org.apache.log4j.AppenderSkeleton

org.apache.log4j.AppenderSkeleton.NoOpErrorHandler

Field Summary

Fields inherited from class org.apache.log4j.AppenderSkeleton

closed, errorHandler, headFilter, layout, name, tailFilter, threshold

Constructor Summary

Constructors

Constructor	Description
ProgressUpdateAppender()

Method Summary

Modifier and Type	Method	Description
protected void	append(org.apache.log4j.spi.LoggingEvent event)
void	close()
boolean	requiresLayout()

Methods inherited from class org.apache.log4j.AppenderSkeleton

activateOptions, addFilter, clearFilters, doAppend, finalize, getErrorHandler, getFilter, getFirstFilter, getLayout, getName, getThreshold, isAsSevereAsThreshold, setErrorHandler, setLayout, setName, setThreshold

Methods inherited from class java.lang.Object

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

Constructor Detail

ProgressUpdateAppender

public ProgressUpdateAppender()

Method Detail

append

protected void append(org.apache.log4j.spi.LoggingEvent event)

Specified by:

append in class org.apache.log4j.AppenderSkeleton

close

public void close()

requiresLayout

public boolean requiresLayout()