Package kieker.monitoring.probe.servlet

Class AbstractRegularSamplingServletContextListener

java.lang.Object

kieker.monitoring.probe.servlet.AbstractRegularSamplingServletContextListener

All Implemented Interfaces:

java.util.EventListener, javax.servlet.ServletContextListener

Direct Known Subclasses:

ClassLoadingServletContextListener, CompilationServletContextListener, CPUMemUsageServletContextListener, CPUsCombinedServletContextListener, GCServletContextListener, JVMMemoryServletContextListener, JVMUptimeServletContextListener, SystemResourceUsageServletContextListener, ThreadStatusServletContextListener

public abstract class AbstractRegularSamplingServletContextListener
extends java.lang.Object
implements javax.servlet.ServletContextListener

Since:

1.10

Author:

Nils Christian Ehmke, Andre van Hoorn

Field Summary

Fields

Modifier and Type	Field	Description
static long	DEFAULT_SENSOR_INITIAL_DELAY_SECONDS
static long	DEFAULT_SENSOR_INTERVAL_SECONDS

Constructor Summary

Constructors

Constructor	Description
AbstractRegularSamplingServletContextListener()	Empty default constructor.

Method Summary

Modifier and Type	Method	Description
void	contextDestroyed(javax.servlet.ServletContextEvent event)
void	contextInitialized(javax.servlet.ServletContextEvent event)
protected abstract ISampler[]	createSamplers()	Create samplers for the specific sampling class.
protected abstract java.lang.String	getContextParameterNameSamplingDelaySeconds()	Parameter name for the sampling delay to be used in the web.xml file.
protected abstract java.lang.String	getContextParameterNameSamplingIntervalSeconds()	Parameter name for the sampling interval to be used in the web.xml file.

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_SENSOR_INTERVAL_SECONDS

public static final long DEFAULT_SENSOR_INTERVAL_SECONDS

See Also:

Constant Field Values

DEFAULT_SENSOR_INITIAL_DELAY_SECONDS

public static final long DEFAULT_SENSOR_INITIAL_DELAY_SECONDS

See Also:

Constant Field Values

Constructor Details

AbstractRegularSamplingServletContextListener

public AbstractRegularSamplingServletContextListener()

Empty default constructor.

Method Details

contextDestroyed

public void contextDestroyed(javax.servlet.ServletContextEvent event)

Specified by:

contextDestroyed in interface javax.servlet.ServletContextListener

contextInitialized

public void contextInitialized(javax.servlet.ServletContextEvent event)

Specified by:

contextInitialized in interface javax.servlet.ServletContextListener

getContextParameterNameSamplingIntervalSeconds

protected abstract java.lang.String getContextParameterNameSamplingIntervalSeconds()

Parameter name for the sampling interval to be used in the web.xml file.

Returns:

the parameter name

getContextParameterNameSamplingDelaySeconds

protected abstract java.lang.String getContextParameterNameSamplingDelaySeconds()

Parameter name for the sampling delay to be used in the web.xml file.

Returns:

the parameter name

createSamplers

protected abstract ISampler[] createSamplers()

Create samplers for the specific sampling class.

Returns:

array of samplers