org.tango.server.events
Class ArchiveEventTrigger

java.lang.Object
  org.tango.server.events.ArchiveEventTrigger

All Implemented Interfaces:

IEventTrigger

public class ArchiveEventTrigger
extends java.lang.Object
implements IEventTrigger

manage trigger for EventType.ARCHIVE_EVENT

Author:

ABEILLE

Constructor Summary

ArchiveEventTrigger(long period, java.lang.String absolute, java.lang.String relative, AttributeImpl attribute)
Ctr

Method Summary

static void	checkEventCriteria(AttributeImpl attribute) Check if event criteria are set for specified attribute
boolean	doCheck()
boolean	isSendEvent()
void	setError(fr.esrf.Tango.DevFailed error) Notify the trigger of the last error occured
void	updateProperties() Update event properties

Methods inherited from class java.lang.Object

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

Constructor Detail

ArchiveEventTrigger

public ArchiveEventTrigger(long period,
                           java.lang.String absolute,
                           java.lang.String relative,
                           AttributeImpl attribute)

Ctr

Parameters:

period - The archive period

absolute - The archive absolute change delta

relative - The archive relative change delta

attribute - The attribute that send events

Method Detail

isSendEvent

public boolean isSendEvent()
                    throws fr.esrf.Tango.DevFailed

Specified by:

isSendEvent in interface IEventTrigger

Returns:

true if an event must be send

Throws:

fr.esrf.Tango.DevFailed

setError

public void setError(fr.esrf.Tango.DevFailed error)

Description copied from interface: IEventTrigger

Notify the trigger of the last error occured

Specified by:

setError in interface IEventTrigger

checkEventCriteria

public static void checkEventCriteria(AttributeImpl attribute)
                               throws fr.esrf.Tango.DevFailed

Check if event criteria are set for specified attribute

Parameters:

attribute - the specified attribute

Throws:

fr.esrf.Tango.DevFailed - if no event criteria is set for specified attribute.

updateProperties

public void updateProperties()
                      throws fr.esrf.Tango.DevFailed

Description copied from interface: IEventTrigger

Update event properties

Specified by:

updateProperties in interface IEventTrigger

Throws:

fr.esrf.Tango.DevFailed

doCheck

public boolean doCheck()

Specified by:

doCheck in interface IEventTrigger

Returns:

true if do the event fire check