TestTypeListener

java.lang.Object
- ptolemy.actor.test.TestTypeListener

All Implemented Interfaces:

TypeListener
```
public class TestTypeListener
extends java.lang.Object
implements TypeListener
```
This dummy type listener implements the TypeListener interface. It keeps the last type change event information in a String message and returns that message in the getMessage() method. The call to getMessage() clears the message.

Since:

Ptolemy II 0.2

Version:

$Id$

Author:

Yuhong Xiong

Pt.AcceptedRating:

Red (cxh)

Pt.ProposedRating:

Red (cxh)

Constructor Summary

Constructors
Constructor Description

TestTypeListener()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.String`	`getMessage()`	Return the last type change message.
`void`	`typeChanged(TypeEvent event)`	Notify that the type of a port is changed.

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

- Constructor Detail
  - TestTypeListener
```
public TestTypeListener()
```
- Method Detail
  - getMessage
```
public java.lang.String getMessage()
```
    Return the last type change message. The message includes the full name of the port, the old type, and the new type, separated by "/". A call to this message also clears the old message. If there is no type change event after the last call, this method returns the String "no type change".
    
    Returns:
    
    A String including the type change information.
  - typeChanged
```
public void typeChanged(TypeEvent event)
```
    Notify that the type of a port is changed.
    
    Specified by:
    
    typeChanged in interface TypeListener
    
    Parameters:
    
    event - The type change event.