org.modelio.api.modelio.model.event

Interface IModelChangeListener

public interface IModelChangeListener

Listener of model changes.

Each time the a model transaction is commited, a IModelChangeEvent class is computed and given to each IModelChangeHandler, and then each IModelChangeListener that is connected to the modeling session.

A model change listener is used to refresh data or views. The model must not be modified in a model change listener, please use a IModelChangeHandler instead.

Example of adding a new listener in Modelio.

MyModelChangeListener listener = new MyModelChangeListener(...);

Modelio.getInstance().getModelingSession().addModelListener (listener);

Example of removing an existing listener from Modelio.

MyModelChangeListener listener = ...;

Modelio.getInstance().getModelingSession().removeModelListener (listener);

The given IModelChangeEvent is used to get the delta between the model before the transaction execution and the model after.

See Also:

IModelChangeEvent

Method Summary

Modifier and Type	Method and Description
void	modelChanged(IModelingSession session, IModelChangeEvent event) Invoked when the model has changed.

Method Detail

modelChanged

void modelChanged(IModelingSession session,
                  IModelChangeEvent event)

Invoked when the model has changed.

The session parameter is the modeling session where the event has occured. modifications. The event parameter provide the changes made in the model.

No model changes must be done in this method.

Parameters:

session - The modeling session.

event - Delta between the beginning and the end of the transaction.