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 String	CONFIG_STREAM_STDERR
static String	CONFIG_STREAM_STDOUT
static String	STREAM

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

newMonitoringRecordNonBlocking, setController, toString

Methods inherited from class java.lang.Object

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

Field Detail

STREAM

public static final String STREAM

CONFIG_STREAM_STDOUT

public static final String CONFIG_STREAM_STDOUT

See Also:

Constant Field Values

CONFIG_STREAM_STDERR

public static final 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 FileNotFoundException,
                 UnsupportedEncodingException

Description copied from class: AbstractMonitoringWriter

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

Throws:

FileNotFoundException

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.