org.eclipse.scada.core.client.connection.service

Class AbstractConnectionManager<ConnectionServiceType extends ConnectionService>

java.lang.Object

org.eclipse.scada.core.client.connection.service.AbstractConnectionManager<ConnectionServiceType>

All Implemented Interfaces:

SingleServiceListener<DriverFactory>

Direct Known Subclasses:

ConnectionManager, ConnectionManager, ConnectionManager

public abstract class AbstractConnectionManager<ConnectionServiceType extends ConnectionService>
extends Object
implements SingleServiceListener<DriverFactory>

Constructor Summary

Constructors

Constructor and Description
AbstractConnectionManager(Class<ConnectionServiceType> clazz, org.osgi.framework.BundleContext context, String connectionId, ConnectionInformation connectionInformation)

Method Summary

Modifier and Type	Method and Description
protected void	createConnection() Create a new connection and register it with OSGi
protected abstract AbstractConnectionService	createConnectionService(DriverFactory factory, ConnectionInformation connectionInformation)
void	dispose() Dispose the tracker and the connection
protected void	disposeConnection() Revoke the service registration and dispose the service
void	serviceChange(org.osgi.framework.ServiceReference<DriverFactory> reference, DriverFactory factory) The method is called when the service instance has changed

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractConnectionManager

public AbstractConnectionManager(Class<ConnectionServiceType> clazz,
                                 org.osgi.framework.BundleContext context,
                                 String connectionId,
                                 ConnectionInformation connectionInformation)

Method Detail

dispose

public void dispose()

Dispose the tracker and the connection

serviceChange

public void serviceChange(org.osgi.framework.ServiceReference<DriverFactory> reference,
                          DriverFactory factory)

Description copied from interface: SingleServiceListener

The method is called when the service instance has changed

Specified by:

serviceChange in interface SingleServiceListener<DriverFactory>

Parameters:

reference - the new service reference or null if no matching service is availabe

factory - the new service instance or null if no matching service is availabe

createConnection

protected void createConnection()

Create a new connection and register it with OSGi

createConnectionService

protected abstract AbstractConnectionService createConnectionService(DriverFactory factory,
                                                                     ConnectionInformation connectionInformation)

disposeConnection

protected void disposeConnection()

Revoke the service registration and dispose the service

Does nothing if there is no current registration