org.openscada.opc.lib.da

Class Async20Access

java.lang.Object

org.openscada.opc.lib.da.AccessBase

org.openscada.opc.lib.da.Async20Access

All Implemented Interfaces:

IOPCDataCallback, ServerConnectionStateListener

public class Async20Access
extends AccessBase
implements IOPCDataCallback

Field Summary

Fields inherited from class org.openscada.opc.lib.da.AccessBase

active, dataLogger, group, itemCache, itemMap, items, itemSet, logTag, server

Constructor Summary

Constructors

Constructor and Description
Async20Access(Server server, int period, boolean initialRefresh)
Async20Access(Server server, int period, boolean initialRefresh, String logTag)

Method Summary

Modifier and Type	Method and Description
void	cancelComplete(int transactionId, int serverGroupHandle)
void	dataChange(int transactionId, int serverGroupHandle, int masterQuality, int masterErrorCode, KeyedResultSet<Integer,ValueData> result)
void	readComplete(int transactionId, int serverGroupHandle, int masterQuality, int masterErrorCode, KeyedResultSet<Integer,ValueData> result)
protected void	start()
protected void	stop()
void	writeComplete(int transactionId, int serverGroupHandle, int masterErrorCode, ResultSet<Integer> result)

Methods inherited from class org.openscada.opc.lib.da.AccessBase

addItem, addStateListener, bind, clear, connectionStateChanged, getPeriod, handleError, isActive, isBound, notifyStateListenersError, notifyStateListenersState, realizeAll, realizeItem, removeItem, removeStateListener, unbind, unrealizeAll, unrealizeItem, updateItem

Methods inherited from class java.lang.Object

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

Constructor Detail

Async20Access

public Async20Access(Server server,
                     int period,
                     boolean initialRefresh)
              throws IllegalArgumentException,
                     UnknownHostException,
                     NotConnectedException,
                     JIException,
                     DuplicateGroupException

Throws:

IllegalArgumentException

UnknownHostException

NotConnectedException

JIException

DuplicateGroupException

Async20Access

public Async20Access(Server server,
                     int period,
                     boolean initialRefresh,
                     String logTag)
              throws IllegalArgumentException,
                     UnknownHostException,
                     NotConnectedException,
                     JIException,
                     DuplicateGroupException

Throws:

IllegalArgumentException

UnknownHostException

NotConnectedException

JIException

DuplicateGroupException

Method Detail

start

protected void start()
              throws JIException,
                     IllegalArgumentException,
                     UnknownHostException,
                     NotConnectedException,
                     DuplicateGroupException

Overrides:

start in class AccessBase

Throws:

JIException

IllegalArgumentException

UnknownHostException

NotConnectedException

DuplicateGroupException

stop

protected void stop()
             throws JIException

Overrides:

stop in class AccessBase

Throws:

JIException

cancelComplete

public void cancelComplete(int transactionId,
                           int serverGroupHandle)

Specified by:

cancelComplete in interface IOPCDataCallback

dataChange

public void dataChange(int transactionId,
                       int serverGroupHandle,
                       int masterQuality,
                       int masterErrorCode,
                       KeyedResultSet<Integer,ValueData> result)

Specified by:

dataChange in interface IOPCDataCallback

readComplete

public void readComplete(int transactionId,
                         int serverGroupHandle,
                         int masterQuality,
                         int masterErrorCode,
                         KeyedResultSet<Integer,ValueData> result)

Specified by:

readComplete in interface IOPCDataCallback

writeComplete

public void writeComplete(int transactionId,
                          int serverGroupHandle,
                          int masterErrorCode,
                          ResultSet<Integer> result)

Specified by:

writeComplete in interface IOPCDataCallback