Package org.openscada.opc.lib.da

Class ServerStateReader

java.lang.Object

org.openscada.opc.lib.da.ServerStateReader

public class ServerStateReader
extends Object

Constructor Summary

Constructors

Constructor	Description
ServerStateReader(Server server)
ServerStateReader(Server server, ScheduledExecutorService scheduler)	Create a new server state reader.

Method Summary

Modifier and Type	Method	Description
void	addListener(ServerStateListener listener)
protected void	once()
void	removeListener(ServerStateListener listener)
void	start()
void	stop()

Methods inherited from class java.lang.Object

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

Constructor Details

ServerStateReader

public ServerStateReader(Server server)

ServerStateReader

public ServerStateReader(Server server,
 ScheduledExecutorService scheduler)

Create a new server state reader. Please note that the scheduler might get blocked for a short period of time in case of a connection failure!

Parameters:

server - the server to check

scheduler - the scheduler to use

Method Details

start

public void start()

stop

public void stop()

once

protected void once()

addListener

public void addListener(ServerStateListener listener)

removeListener

public void removeListener(ServerStateListener listener)