org.openscada.opc.lib.da

Class ServerStateOperation

java.lang.Object

org.openscada.opc.lib.da.ServerStateOperation

All Implemented Interfaces:

Runnable

public class ServerStateOperation
extends Object
implements Runnable

A server state operation which can be interruped

Author:

Jens Reimann

Field Summary

Fields

Modifier and Type	Field and Description
Throwable	_error
Object	_lock
boolean	_running
OPCServer	_server
OPCSERVERSTATUS	_serverStatus

Constructor Summary

Constructors

Constructor and Description
ServerStateOperation(OPCServer server)

Method Summary

Modifier and Type	Method and Description
OPCSERVERSTATUS	getServerState(int timeout) Get the server state with a timeout.
void	run() Perform the operation.

Methods inherited from class java.lang.Object

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

Field Detail

_serverStatus

public OPCSERVERSTATUS _serverStatus

_server

public OPCServer _server

_error

public Throwable _error

_lock

public Object _lock

_running

public boolean _running

Constructor Detail

ServerStateOperation

public ServerStateOperation(OPCServer server)

Method Detail

run

public void run()

Perform the operation.

This method will block until either the serve state has been aquired or the timeout triggers cancels the call.

Specified by:

run in interface Runnable

getServerState

public OPCSERVERSTATUS getServerState(int timeout)
                               throws Throwable

Get the server state with a timeout.

Parameters:

timeout - the timeout in ms

Returns:

the server state or null if the server is not set.

Throws:

Throwable - any error that occurred