org.eclipse.scada.ae.server.common.monitor

Class MonitorQuery

java.lang.Object

org.eclipse.scada.ae.server.common.monitor.MonitorQuery

Direct Known Subclasses:

BundleMonitorQuery, ProxyMonitorQuery, TestConditionQuery

public class MonitorQuery
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
MonitorQuery(java.util.concurrent.Executor executor)

Method Summary

Methods

Modifier and Type	Method and Description
void	addListener(MonitorQueryListener listener) Add a listener to the monitor query
protected void	clear()
void	dispose()
void	removeListener(MonitorQueryListener listener)
protected void	setData(MonitorStatusInformation[] data) Set current data set.
protected void	updateData(java.util.List<MonitorStatusInformation> data, java.util.Set<java.lang.String> removed, boolean full)

Methods inherited from class java.lang.Object

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

Constructor Detail

MonitorQuery

public MonitorQuery(java.util.concurrent.Executor executor)

Method Detail

addListener

public void addListener(MonitorQueryListener listener)

Add a listener to the monitor query

If the listener was already added this operation has no effect

The listener will receive all current known elements in a first update call.

Parameters:

listener - the listener to add

removeListener

public void removeListener(MonitorQueryListener listener)

updateData

protected void updateData(java.util.List<MonitorStatusInformation> data,
              java.util.Set<java.lang.String> removed,
              boolean full)

dispose

public void dispose()

setData

protected void setData(MonitorStatusInformation[] data)

Set current data set. Will handle notifications accordingly.

Parameters:

data - the new data set

clear

protected void clear()