org.eclipse.jetty.monitor.triggers

Class AndEventTrigger

java.lang.Object

org.eclipse.jetty.monitor.jmx.EventTrigger

org.eclipse.jetty.monitor.triggers.AndEventTrigger

public class AndEventTrigger
extends EventTrigger

AndEventTrigger EventTrigger aggregation using logical AND operation that executes matching of the aggregated event triggers in left to right order

Field Summary

Fields

Modifier and Type	Field and Description
protected List<EventTrigger>	_triggers

Constructor Summary

Constructors

Constructor and Description
AndEventTrigger(EventTrigger... triggers) Construct an event trigger and associate the array of event triggers to be aggregated by this trigger
AndEventTrigger(List<EventTrigger> triggers) Construct an event trigger and associate the list of event triggers to be aggregated by this trigger

Method Summary

Methods

Modifier and Type	Method and Description
EventState	getState(long timestamp) Retrieve the event state associated with specified invocation of the event trigger match method.
boolean	match(long timestamp) 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

AndEventTrigger

public AndEventTrigger(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

AndEventTrigger

public AndEventTrigger(EventTrigger... triggers)

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

Parameters:

triggers - array of event triggers to add

Method Detail

match

public boolean match(long timestamp)
              throws Exception

Verify if the event trigger conditions are in the appropriate state for an event to be triggered. This event trigger will match if all aggregated event triggers would return a match.

Specified by:

match in class EventTrigger

Returns:

true to trigger an event

Throws:

Exception

See Also:

EventTrigger.match(long)

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)

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()