ilog.ds
Interface IlConnection

public interface IlConnection

Interface that represents a connection to a back-end system. Provides support for managing the status of the connection, and for listeners to receive notification about changes in the status.

Field Summary

static int	CONNECTED There is a connection to the back-end.
static int	CONNECTING A connection to the back-end is being established.
static int	CONNECTION_FAILED There was a failure while trying to establish a connection to the back-end.
static java.lang.String	CONNECTION_STATUS_PROPERTY
static int	DISCONNECTING The connection to the back-end is being broken.
static int	NOT_CONNECTED There is no connection to the back-end.

Method Summary

abstract void	addPropertyChangeListener(java.beans.PropertyChangeListener l) Adds a listener for property-change events.
abstract void	addPropertyChangeListener(java.lang.String propName, java.beans.PropertyChangeListener l) Adds a listener for specific property-change events.
abstract int	getConnectionStatus() Accesses the status of the connection.
abstract void	removePropertyChangeListener(java.beans.PropertyChangeListener l) Removes a listener for all property-change events.
abstract void	removePropertyChangeListener(java.lang.String propName, java.beans.PropertyChangeListener l) Removes a listener for all property-change events.

Field Detail

NOT_CONNECTED

public static final int NOT_CONNECTED

There is no connection to the back-end.

CONNECTING

public static final int CONNECTING

A connection to the back-end is being established.

CONNECTED

public static final int CONNECTED

There is a connection to the back-end.

DISCONNECTING

public static final int DISCONNECTING

The connection to the back-end is being broken.

CONNECTION_FAILED

public static final int CONNECTION_FAILED

There was a failure while trying to establish a connection to the back-end.

CONNECTION_STATUS_PROPERTY

public static final java.lang.String CONNECTION_STATUS_PROPERTY

Method Detail

addPropertyChangeListener

public void addPropertyChangeListener(java.beans.PropertyChangeListener l)

Adds a listener for property-change events. The only property specified by the IlConnection interface is CONNECTION_STATUS_PROPERTY.

Parameters:

l - The listener

addPropertyChangeListener

public void addPropertyChangeListener(java.lang.String propName,
                                      java.beans.PropertyChangeListener l)

Adds a listener for specific property-change events. The only property specified by the IlConnection interface is CONNECTION_STATUS_PROPERTY.

Parameters:

propName - The property name

l - The listener

removePropertyChangeListener

public void removePropertyChangeListener(java.beans.PropertyChangeListener l)

Removes a listener for all property-change events.

Parameters:

l - The listener

removePropertyChangeListener

public void removePropertyChangeListener(java.lang.String propName,
                                         java.beans.PropertyChangeListener l)

Removes a listener for all property-change events.

Parameters:

propName - The property name

l - The listener

getConnectionStatus

public int getConnectionStatus()

Accesses the status of the connection.

Returns:

the current status of the connection