com.prosysopc.ua.client

Class ServerList

java.lang.Object

com.prosysopc.ua.client.ServerListBase

com.prosysopc.ua.client.ServerList

public class ServerList
extends ServerListBase

List of discovered OPC server URLs. Use discover to connect to a discovery server and add servers from that to the list. Use getServers to read the list.

Field Summary

Fields inherited from class com.prosysopc.ua.client.ServerListBase

lastCounterResetTime, servers, serversOnNetwork

Constructor Summary

Constructors

Constructor and Description
ServerList() Create a new empty list of servers.
ServerList(String uri) Create a new list of servers, containing the servers discovered from a discoveryServer.

Method Summary

Modifier and Type	Method and Description
void	discover(String discoveryServerUri) Discover OPCUA applications from a discovery server.
void	discover(UaApplication.Protocol protocol, String hostName) Discover OPCUA applications from a discovery server.

Methods inherited from class com.prosysopc.ua.client.ServerListBase

clear, get, getLastCounterResetTime, getServers, getServersOnNetwork, isEmpty, size

Methods inherited from class java.lang.Object

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

Constructor Detail

ServerList

public ServerList()

Create a new empty list of servers. Call discover to fill the list.

ServerList

public ServerList(String uri)
           throws ServerListException

Create a new list of servers, containing the servers discovered from a discoveryServer.

Parameters:

uri - The URI of the discovery server to discover.

Throws:

ServerListException - if the discovery fails

Method Detail

discover

public void discover(UaApplication.Protocol protocol,
                     String hostName)
              throws ServerListException

Discover OPCUA applications from a discovery server. The method assumes that the server is listening in the default discovery port, 4840. If the method succeed, the servers listed in the discovery server are added to this ServerList.

Parameters:

protocol - Communication protocol to use

hostName - the host name of the computer

Throws:

ServerListException - if the server list cannot be retrieved.

discover

public void discover(String discoveryServerUri)
              throws ServerListException

Discover OPCUA applications from a discovery server.

Specified by:

discover in class ServerListBase

Parameters:

discoveryServerUri - URI of the discovery server

Throws:

ServerListException - if the discovery