kieker.monitoring.writer
Class PrintStreamWriter

java.lang.Object
  kieker.monitoring.writer.AbstractMonitoringWriter
      kieker.monitoring.writer.PrintStreamWriter

All Implemented Interfaces:

IMonitoringRecordReceiver, IMonitoringWriter

public class PrintStreamWriter
extends AbstractMonitoringWriter

A writer that prints incoming records to the specified PrintStream.

Since:

1.5

Author:

Jan Waller

Field Summary

static java.lang.String	CONFIG_STREAM_STDERR
static java.lang.String	CONFIG_STREAM_STDOUT
static java.lang.String	STREAM

Fields inherited from class kieker.monitoring.writer.AbstractMonitoringWriter

monitoringController

Constructor Summary

PrintStreamWriter(Configuration configuration)
Creates a new instance of this writer.

Method Summary

void	init() Implementing classes should indicate an initialization error by throwing an Exception.
boolean	newMonitoringRecord(IMonitoringRecord record) Called for each new record.
void	terminate() Called by the Monitoring Controller to announce a shutdown of monitoring.

Methods inherited from class kieker.monitoring.writer.AbstractMonitoringWriter

getDefaultConfiguration, newMonitoringRecordNonBlocking, setController, toString

Methods inherited from class java.lang.Object

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

Field Detail

STREAM

public static final java.lang.String STREAM

CONFIG_STREAM_STDOUT

public static final java.lang.String CONFIG_STREAM_STDOUT

See Also:

Constant Field Values

CONFIG_STREAM_STDERR

public static final java.lang.String CONFIG_STREAM_STDERR

See Also:

Constant Field Values

Constructor Detail

PrintStreamWriter

public PrintStreamWriter(Configuration configuration)

Creates a new instance of this writer.

Parameters:

configuration - The configuration which will be used to initialize this writer.

Method Detail

init

public void init()
          throws java.io.FileNotFoundException,
                 java.io.UnsupportedEncodingException

Description copied from class: AbstractMonitoringWriter

Implementing classes should indicate an initialization error by throwing an Exception.

Specified by:

init in class AbstractMonitoringWriter

Throws:

java.io.FileNotFoundException

java.io.UnsupportedEncodingException

newMonitoringRecord

public boolean newMonitoringRecord(IMonitoringRecord record)

Called for each new record. Notice, that this method should not throw an exception, but indicate an error by the return value false.

Parameters:

record - the record.

Returns:

true on success; false in case of an error.

terminate

public void terminate()

Called by the Monitoring Controller to announce a shutdown of monitoring. Writers should return as soon as it is safe to terminate Kieker.