org.safs.jvmagent
Class ShutdownEventMonitor

java.lang.Object
  org.safs.jvmagent.SEMEventMonitor
      org.safs.jvmagent.ShutdownEventMonitor

All Implemented Interfaces:

java.lang.Runnable

public class ShutdownEventMonitor
extends SEMEventMonitor

When injected into a JVM will monitor for a SEM JVMShutdown POST. Thus, the JVM must be launched with the following option for this monitor to be enabled:

-DJVMShutdownMonitor=true

An example STAF command that can trigger this event is:

STAF local SEM EVENT JVMShutdown POST

Nested Class Summary

Nested classes/interfaces inherited from class org.safs.jvmagent.SEMEventMonitor

SEMEventMonitor.STAFMonitor

Field Summary

static java.lang.String	SHUTDOWN_EVENT 'JVMShutdown'
static java.lang.String	SHUTDOWN_PROPERTY 'JVMShutdownMonitor'

Fields inherited from class org.safs.jvmagent.SEMEventMonitor

_event, _msdelay, _process, _shutdown, _staf, _stafmon, _system, _thismon, DEFAULT_EVENT, DEFAULT_PROPERTY

Constructor Summary

ShutdownEventMonitor()
Default constructor that simply forwards to the superclass.

Method Summary

protected void	performAction() Perform a System.exit(0) shutdown.
protected void	setEventCriteria() Subclasses override to designate a unique event to monitor.

Methods inherited from class org.safs.jvmagent.SEMEventMonitor

finalize, initialize, isTriggerEnabled, main, resetTrigger, run

Methods inherited from class java.lang.Object

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

Field Detail

SHUTDOWN_EVENT

public static final java.lang.String SHUTDOWN_EVENT

'JVMShutdown'

See Also:

Constant Field Values

SHUTDOWN_PROPERTY

public static final java.lang.String SHUTDOWN_PROPERTY

'JVMShutdownMonitor'

See Also:

Constant Field Values

Constructor Detail

ShutdownEventMonitor

public ShutdownEventMonitor()

Default constructor that simply forwards to the superclass.

Method Detail

setEventCriteria

protected void setEventCriteria()

Description copied from class: SEMEventMonitor

Subclasses override to designate a unique event to monitor. This function will be called during object construction. The default setting to monitor is DEFAULT_EVENT.

This default implementation also sets the key name in System.properties that enables the trigger. This key name is stored in the local _system field. The default setting here is DEFAULT_PROPERTY.

Overrides:

setEventCriteria in class SEMEventMonitor

performAction

protected void performAction()

Perform a System.exit(0) shutdown.

Overrides:

performAction in class SEMEventMonitor