org.eclipse.jetty.monitor.triggers
Class AggregateEventTrigger

java.lang.Object
  org.eclipse.jetty.monitor.jmx.EventTrigger
      org.eclipse.jetty.monitor.triggers.AggregateEventTrigger

public class AggregateEventTrigger
extends EventTrigger

AggregateEventTrigger EventTrigger aggregation that executes every aggregated event triggers in left to right order, and returns match if any one of them have returned match.

Field Summary

protected List<EventTrigger>

_triggers

Constructor Summary

AggregateEventTrigger()
Construct an event trigger

AggregateEventTrigger(EventTrigger... triggers)
Construct an event trigger and associate the array of event triggers to be aggregated by this trigger

AggregateEventTrigger(List<EventTrigger> triggers)
Construct an event trigger and associate the list of event triggers to be aggregated by this trigger

Method Summary

void	add(EventTrigger trigger)
void	addAll(EventTrigger... triggers)
void	addAll(List<EventTrigger> triggers)
EventState	getState(long timestamp) Retrieve the event state associated with specified invocation of the event trigger match method.
boolean	match(long timestamp) Abstract method to verify if the event trigger conditions are in the appropriate state for an event to be triggered
String	toString() Returns the string representation of this event trigger in the format "AND(triger1,trigger2,...)".

Methods inherited from class org.eclipse.jetty.monitor.jmx.EventTrigger

getID

Methods inherited from class java.lang.Object

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

Field Detail

_triggers

protected final List<EventTrigger> _triggers

Constructor Detail

AggregateEventTrigger

public AggregateEventTrigger()

Construct an event trigger

AggregateEventTrigger

public AggregateEventTrigger(List<EventTrigger> triggers)

Construct an event trigger and associate the list of event triggers to be aggregated by this trigger

Parameters:

triggers - list of event triggers to add

AggregateEventTrigger

public AggregateEventTrigger(EventTrigger... triggers)

Construct an event trigger and associate the array of event triggers to be aggregated by this trigger

Parameters:

triggers - list of event triggers to add

Method Detail

add

public void add(EventTrigger trigger)

Parameters:

trigger -

addAll

public void addAll(List<EventTrigger> triggers)

Parameters:

triggers -

addAll

public void addAll(EventTrigger... triggers)

Parameters:

triggers -

getState

public EventState getState(long timestamp)

Retrieve the event state associated with specified invocation of the event trigger match method. This event trigger retrieves the combined event state of all aggregated event triggers.

Specified by:

getState in class EventTrigger

Parameters:

timestamp - time stamp associated with invocation

Returns:

event state or null if not found

See Also:

EventTrigger.getState(long)

match

public boolean match(long timestamp)
              throws Exception

Description copied from class: EventTrigger

Abstract method to verify if the event trigger conditions are in the appropriate state for an event to be triggered

Specified by:

match in class EventTrigger

Returns:

true to trigger an event

Throws:

Exception

See Also:

EventTrigger.match(long)

toString

public String toString()

Returns the string representation of this event trigger in the format "AND(triger1,trigger2,...)".

Overrides:

toString in class Object

Returns:

string representation of the event trigger

See Also:

Object.toString()