ActorGraphModel.LinkModel.LinkChangeListener

java.lang.Object
- ptolemy.vergil.actor.ActorGraphModel.LinkModel.LinkChangeListener

All Implemented Interfaces:

ChangeListener

Enclosing class:

ActorGraphModel.LinkModel
```
public class ActorGraphModel.LinkModel.LinkChangeListener
extends java.lang.Object
implements ChangeListener
```
This change listener is responsible for dispatching graph events when an edge is moved. It works the same for heads and tails.

Constructor Summary

Constructors
Constructor	Description
`LinkChangeListener(Link link, CompositeEntity container, java.lang.StringBuffer failMoML)`	Construct a link change listener.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`changeExecuted(ChangeRequest change)`	Called after the change has been executed.
`void`	`changeFailed(ChangeRequest change, java.lang.Exception exception)`	Handled a failed change request.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - LinkChangeListener
```
public LinkChangeListener(Link link,
                          CompositeEntity container,
                          java.lang.StringBuffer failMoML)
```
    Construct a link change listener.
    
    Parameters:
    
    link - The link.
    
    container - The container.
    
    failMoML - MoML that cleans up the model if the change request fails.
- Method Detail
  - changeFailed
```
public void changeFailed(ChangeRequest change,
                         java.lang.Exception exception)
```
    Handled a failed change request.
    
    Specified by:
    
    changeFailed in interface ChangeListener
    
    Parameters:
    
    change - The change request.
    
    exception - The exception.
  - changeExecuted
```
public void changeExecuted(ChangeRequest change)
```
    Called after the change has been executed.
    
    Specified by:
    
    changeExecuted in interface ChangeListener
    
    Parameters:
    
    change - The change request.