fr.esrf.TangoDs
Class TangoDeviceAppender

java.lang.Object
  org.apache.log4j.AppenderSkeleton
      fr.esrf.TangoDs.TangoDeviceAppender

All Implemented Interfaces:

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

public class TangoDeviceAppender
extends org.apache.log4j.AppenderSkeleton
implements TangoAppender

A class to log to a (remote) logconsumer device.

Constructor Summary

TangoDeviceAppender(java.lang.String device_name, java.lang.String appender_name, java.lang.String lcd_name)
Construct a newly allocated TangoDeviceAppender object.

Method Summary

void	append(org.apache.log4j.spi.LoggingEvent evt) Performs actual logging.
void	close() Release any resources allocated within the appender.
boolean	isValid() Returns true if the appender is (still) valid, false otherwise.
boolean	requiresLayout() Tells log4j that this appender does not require a layout.

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

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

Constructor Detail

TangoDeviceAppender

public TangoDeviceAppender(java.lang.String device_name,
                           java.lang.String appender_name,
                           java.lang.String lcd_name)
                    throws DevFailed

Construct a newly allocated TangoDeviceAppender object.

Parameters:

appender_name - This appender name

lcd_name - The logconsumer device name

Throws:

DevFailed

Method Detail

requiresLayout

public boolean requiresLayout()

Tells log4j that this appender does not require a layout.

Specified by:

requiresLayout in interface org.apache.log4j.Appender

close

public void close()

Release any resources allocated within the appender.

Specified by:

close in interface org.apache.log4j.Appender

append

public void append(org.apache.log4j.spi.LoggingEvent evt)

Performs actual logging.

Specified by:

append in class org.apache.log4j.AppenderSkeleton

isValid

public boolean isValid()

Returns true if the appender is (still) valid, false otherwise.

Specified by:

isValid in interface TangoAppender