LogService (Apache Accumulo Server Base 2.0.1 API)

java.lang.Object
- org.apache.log4j.AppenderSkeleton
- - org.apache.accumulo.server.monitor.LogService

All Implemented Interfaces:

org.apache.log4j.Appender, org.apache.log4j.spi.OptionHandler
```
public class LogService
extends org.apache.log4j.AppenderSkeleton
```
Hijack log4j and capture log events for display.

Field Summary
- Fields inherited from class org.apache.log4j.AppenderSkeleton
  closed, errorHandler, headFilter, layout, name, tailFilter, threshold

Constructor Summary

Constructors
Constructor Description

LogService()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`append(org.apache.log4j.spi.LoggingEvent ev)`
`void`	`clear()`
`void`	`close()`
`void`	`doAppend(org.apache.log4j.spi.LoggingEvent event)`
`List<DedupedLogEvent>`	`getEvents()`
`static LogService`	`getInstance()`
`boolean`	`requiresLayout()`
`static void`	`startLogListener(ServerContext context, String hostAddress)`	Place the host:port advertisement for the Monitor's Log4j listener in ZooKeeper

Methods inherited from class org.apache.log4j.AppenderSkeleton
activateOptions, addFilter, clearFilters, 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
- LogService
```
public LogService()
```

Method Detail

startLogListener
```
public static void startLogListener(ServerContext context,
                                    String hostAddress)
```
Place the host:port advertisement for the Monitor's Log4j listener in ZooKeeper

Parameters:

context - Server context

hostAddress - Address that monitor process is bound to

getInstance

public static LogService getInstance()

append
```
protected void append(org.apache.log4j.spi.LoggingEvent ev)
```
Specified by:

append in class org.apache.log4j.AppenderSkeleton

close
```
public void close()
```

doAppend
```
public void doAppend(org.apache.log4j.spi.LoggingEvent event)
```
Specified by:

doAppend in interface org.apache.log4j.Appender

Overrides:

doAppend in class org.apache.log4j.AppenderSkeleton

requiresLayout
```
public boolean requiresLayout()
```

getEvents

public List<DedupedLogEvent> getEvents()

clear
```
public void clear()
```