com.sap.cloud.sdk.cloudplatform.monitoring

Class ExceptionMonitor

java.lang.Object

com.sap.cloud.sdk.cloudplatform.monitoring.JmxMonitor

com.sap.cloud.sdk.cloudplatform.monitoring.ExceptionMonitor

All Implemented Interfaces:

ExceptionMonitorMXBean, EventListener, javax.servlet.ServletContextListener

@WebListener
public class ExceptionMonitor
extends JmxMonitor
implements ExceptionMonitorMXBean

Global exception monitor to be used to record thrown exceptions.

To replace the statically created and stored pseudo-singleton with a custom implementation simply use the setInstance(ExceptionMonitor) method. All newly recorded exceptions are then delegated to the given instance.

Constructor Summary

Constructors

Constructor and Description
ExceptionMonitor()

Method Summary

Modifier and Type	Method and Description
List<String>	aggregateTypesOrderedByFrequency()
void	clear() Clears all recorded exceptions.
void	contextDestroyed(javax.servlet.ServletContextEvent servletContextEvent)
void	contextInitialized(javax.servlet.ServletContextEvent servletContextEvent)
List<String>	dump()
ExceptionTimeVault	getExceptionTimeVault()
static ExceptionMonitor	getInstance()
long	getTotalNumberOfExceptionsLast01h()
long	getTotalNumberOfExceptionsLast05h()
long	getTotalNumberOfExceptionsLast24h()
boolean	recordException(Throwable throwable) Stores the given Throwable and updates the statistic methods like getTotalNumberOfExceptionsLast01h().
static void	setInstance(ExceptionMonitor instance)

Methods inherited from class com.sap.cloud.sdk.cloudplatform.monitoring.JmxMonitor

registerJmxBean, unregisterJmxBean

Methods inherited from class java.lang.Object

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

Constructor Detail

ExceptionMonitor

public ExceptionMonitor()

Method Detail

recordException

public boolean recordException(Throwable throwable)

Stores the given Throwable and updates the statistic methods like getTotalNumberOfExceptionsLast01h().

Parameters:

throwable - The exception to record.

Returns:

true, if this exception was not already recorded; false, else.

clear

public void clear()

Clears all recorded exceptions.

getTotalNumberOfExceptionsLast01h

public long getTotalNumberOfExceptionsLast01h()

Specified by:

getTotalNumberOfExceptionsLast01h in interface ExceptionMonitorMXBean

getTotalNumberOfExceptionsLast05h

public long getTotalNumberOfExceptionsLast05h()

Specified by:

getTotalNumberOfExceptionsLast05h in interface ExceptionMonitorMXBean

getTotalNumberOfExceptionsLast24h

public long getTotalNumberOfExceptionsLast24h()

Specified by:

getTotalNumberOfExceptionsLast24h in interface ExceptionMonitorMXBean

aggregateTypesOrderedByFrequency

public List<String> aggregateTypesOrderedByFrequency()

Specified by:

aggregateTypesOrderedByFrequency in interface ExceptionMonitorMXBean

dump

public List<String> dump()

Specified by:

dump in interface ExceptionMonitorMXBean

contextInitialized

public void contextInitialized(javax.servlet.ServletContextEvent servletContextEvent)

Specified by:

contextInitialized in interface javax.servlet.ServletContextListener

contextDestroyed

public void contextDestroyed(javax.servlet.ServletContextEvent servletContextEvent)

Specified by:

contextDestroyed in interface javax.servlet.ServletContextListener

getInstance

public static ExceptionMonitor getInstance()

setInstance

public static void setInstance(ExceptionMonitor instance)

getExceptionTimeVault

public ExceptionTimeVault getExceptionTimeVault()