org.eclipse.scada.da.server.net

Class ServerConnectionHandler

java.lang.Object

org.eclipse.scada.core.server.net.AbstractServerConnectionHandler

org.eclipse.scada.da.server.net.ServerConnectionHandler

All Implemented Interfaces:

SingleSessionIoHandler, FolderListener, ItemChangeListener

public class ServerConnectionHandler
extends AbstractServerConnectionHandler
implements ItemChangeListener, FolderListener

Field Summary

Fields

Modifier and Type	Field and Description
static String	VERSION

Fields inherited from class org.eclipse.scada.core.server.net.AbstractServerConnectionHandler

connectionInformation, ioSession, messenger, pingService

Constructor Summary

Constructors

Constructor and Description
ServerConnectionHandler(Hive hive, IoSession ioSession, ConnectionInformation connectionInformation)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	cleanUp()
void	dataChanged(String itemId, Variant value, Map<String,Variant> attributes, boolean cache) A change on the data item occurred.
void	folderChanged(Location location, List<Entry> added, Set<String> removed, boolean full)
protected void	handleCreateSessionComplete(Future<Session> future, Message message, Properties props)
void	subscriptionChanged(String item, SubscriptionState subscriptionState) Indicating a change in the item subscription

Methods inherited from class org.eclipse.scada.core.server.net.AbstractServerConnectionHandler

exceptionCaught, getBooleanProperty, getIntProperty, getMessageTimeout, getPingPeriod, getTransportProperties, messageReceived, messageSent, modifyFilterChain, replySessionCreated, sendPrivilegeChange, sessionClosed, sessionConfigured, sessionCreated, sessionIdle, sessionOpened, startSession

Methods inherited from class java.lang.Object

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

Field Detail

VERSION

public static final String VERSION

See Also:

Constant Field Values

Constructor Detail

ServerConnectionHandler

public ServerConnectionHandler(Hive hive,
                       IoSession ioSession,
                       ConnectionInformation connectionInformation)

Method Detail

handleCreateSessionComplete

protected void handleCreateSessionComplete(Future<Session> future,
                               Message message,
                               Properties props)

Since:

1.0

cleanUp

protected void cleanUp()

Overrides:

cleanUp in class AbstractServerConnectionHandler

dataChanged

public void dataChanged(String itemId,
               Variant value,
               Map<String,Variant> attributes,
               boolean cache)

Description copied from interface: ItemChangeListener

A change on the data item occurred.

Specified by:

dataChanged in interface ItemChangeListener

Parameters:

itemId - The item id that changed

value - The new value, or null if the value did not change

attributes - The attributes that changed, may be null if no attribute change at all

cache - Indicating that the change came from the cache, this means that the change was not triggered by a device and that all attribute where sent, not only the changed ones

subscriptionChanged

public void subscriptionChanged(String item,
                       SubscriptionState subscriptionState)

Description copied from interface: ItemChangeListener

Indicating a change in the item subscription

Specified by:

subscriptionChanged in interface ItemChangeListener

Parameters:

item - The item ID that changed

subscriptionState - the new subscription state

folderChanged

public void folderChanged(Location location,
                 List<Entry> added,
                 Set<String> removed,
                 boolean full)

Specified by:

folderChanged in interface FolderListener