com.persistit

Class AlertMonitor.Event

java.lang.Object

com.persistit.AlertMonitor.Event

Enclosing class:

AlertMonitor

public static class AlertMonitor.Event
extends Object

Holder for event data including the event arguments and the time the event was posted.

Constructor Summary

Constructors

Constructor and Description
Event(AlertMonitor.AlertLevel level, long time, PersistitLogMessage.LogItem logItem, Object... args) Construct an Event for the specified PersistitLogMessage.LogItem and arguments with the specified system time.
Event(AlertMonitor.AlertLevel level, PersistitLogMessage.LogItem logItem, Object... args) Construct an Event for the specified PersistitLogMessage.LogItem and arguments with the current system time.

Method Summary

Modifier and Type	Method and Description
protected void	added(AlertMonitor.History history) Called when this Event is added to a History.
Object[]	getArgs()
Object	getFirstArg()
AlertMonitor.AlertLevel	getLevel()
PersistitLogMessage.LogItem	getLogItem()
long	getTime()
String	logMessage()
protected void	removed(AlertMonitor.History history) Called when this Event is removed from a History.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Event

public Event(AlertMonitor.AlertLevel level,
             PersistitLogMessage.LogItem logItem,
             Object... args)

Construct an Event for the specified PersistitLogMessage.LogItem and arguments with the current system time.

Parameters:

level - AlertLevel assigned to this event by the posting process

logItem - LogItem to be used in logging this event

args - arguments specific to the LogItem

Event

public Event(AlertMonitor.AlertLevel level,
             long time,
             PersistitLogMessage.LogItem logItem,
             Object... args)

Construct an Event for the specified PersistitLogMessage.LogItem and arguments with the specified system time.

Parameters:

level - AlertLevel assigned to this event by the posting process

time - System time in milliseconds at which the event occurred

logItem - LogItem to be used in logging this event

args - arguments specific to the LogItem

Method Detail

getLevel

public AlertMonitor.AlertLevel getLevel()

Returns:

the AlertLevel assigned to this Event.

getLogItem

public PersistitLogMessage.LogItem getLogItem()

Returns:

The PersistitLogMessage.LogItem assigned to the event

getTime

public long getTime()

Returns:

the system time at which the event occurred

getArgs

public Object[] getArgs()

Returns:

arguments supplied with the event and used to format a log or notification message to describe this event

getFirstArg

public Object getFirstArg()

Returns:

the first element of the argument array, or null if the array is empty

added

protected void added(AlertMonitor.History history)

Called when this Event is added to a History. By default this method does nothing, but an Event subclass can use this method to compute statistics or perform other custom operations. This method is called after the event has been added.

Parameters:

history - the History to which this event has been added

removed

protected void removed(AlertMonitor.History history)

Called when this Event is removed from a History. By default this method does nothing, but an Event subclass can use this method to compute statistics or perform other custom operations. This method is called before the event has been removed.

Parameters:

history - the History from which this event will be removed

logMessage

public String logMessage()

toString

public String toString()

Overrides:

toString in class Object

Returns:

a description of the event with human-readable time and log message