org.eclipse.scada.core.ui.connection

Class AbstractConnectionDiscoverer

java.lang.Object

org.eclipse.scada.core.ui.connection.AbstractConnectionDiscoverer

All Implemented Interfaces:

ConnectionDiscoverer, org.eclipse.ui.services.IDisposable

public abstract class AbstractConnectionDiscoverer
extends Object
implements ConnectionDiscoverer

Constructor Summary

Constructors

Constructor and Description
AbstractConnectionDiscoverer()

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	addConnection(ConnectionDescriptor connectionInformation) Add and announce a new connection
void	addConnectionListener(ConnectionDiscoveryListener listener) Add a new listener to receive events.
void	dispose()
protected void	fireDiscoveryUpdate(ConnectionDescriptor[] added, ConnectionDescriptor[] removed)
Set<ConnectionDescriptor>	getConnections()
protected boolean	removeConnection(ConnectionDescriptor connectionInformation) Remove a connection
void	removeConnectionListener(ConnectionDiscoveryListener listener)
protected void	setConnections(Set<ConnectionDescriptor> result)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractConnectionDiscoverer

public AbstractConnectionDiscoverer()

Method Detail

setConnections

protected void setConnections(Set<ConnectionDescriptor> result)

fireDiscoveryUpdate

protected void fireDiscoveryUpdate(ConnectionDescriptor[] added,
                       ConnectionDescriptor[] removed)

addConnectionListener

public void addConnectionListener(ConnectionDiscoveryListener listener)

Description copied from interface: ConnectionDiscoverer

Add a new listener to receive events.

If the connection discoverer already has discovered connections before the listener is added the already known connections are already sent to the listener.

Specified by:

addConnectionListener in interface ConnectionDiscoverer

Parameters:

listener - the listener to add

removeConnectionListener

public void removeConnectionListener(ConnectionDiscoveryListener listener)

Specified by:

removeConnectionListener in interface ConnectionDiscoverer

addConnection

protected boolean addConnection(ConnectionDescriptor connectionInformation)

Add and announce a new connection

The connection can also be null in which the method will return false

If the connection was already known, false will be returned and no event will be emitted

Parameters:

connectionInformation - a new connection

Returns:

true if the new connection was added

removeConnection

protected boolean removeConnection(ConnectionDescriptor connectionInformation)

Remove a connection

The connection can also be null in which the method will return false

If the connection was not known, false will be returned and no event will be emitted

Parameters:

connectionInformation - the connection to remove

Returns:

true if the connection was removed

getConnections

public Set<ConnectionDescriptor> getConnections()

dispose

public void dispose()

Specified by:

dispose in interface org.eclipse.ui.services.IDisposable