de.is24.util.monitoring.status

Class ServiceState

java.lang.Object

de.is24.util.monitoring.status.ServiceState

public class ServiceState
extends Object

this class implements a service state from observing two counters and calculating a failure rate for different time windows. Current windows are 1min, 5min, 15min. Therefor it samples the counters every 10 seconds.

Field Summary

Fields

Modifier and Type	Field and Description
private Counter	errorCounter
private String	errorCounterKey
private static org.apache.log4j.Logger	LOGGER
private String	name
private long	previousErrorCounterValue
private long	previousSuccessCounterValue
private SampledData	sampledData
private Counter	successCounter
private String	successCounterKey

Constructor Summary

Constructors

Constructor and Description
ServiceState(String name, String successCounterKey, String errorCounterKey)

Method Summary

Methods

Modifier and Type	Method and Description
void	check()
void	checkForReportable(Reportable reportable)
String	getName()

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

private static final org.apache.log4j.Logger LOGGER

name

private final String name

successCounterKey

private final String successCounterKey

errorCounterKey

private final String errorCounterKey

previousSuccessCounterValue

private long previousSuccessCounterValue

previousErrorCounterValue

private long previousErrorCounterValue

successCounter

private Counter successCounter

errorCounter

private Counter errorCounter

sampledData

private SampledData sampledData

Constructor Detail

ServiceState

public ServiceState(String name,
            String successCounterKey,
            String errorCounterKey)

Method Detail

check

public void check()

checkForReportable

public void checkForReportable(Reportable reportable)

getName

public String getName()